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Philo Interview Questions

Philo Interview Guides

Let’s say that your company is running a standard control and variant AB test on a feature to increase conversion rates on the landing page. The PM checks the results and finds a .04 p-value.

How would you assess the validity of the result?

Experiment Validity

Suppose there exists a new airline named Jetco that flies domestically across North America. Jetco recently had a study commissioned that tested the boarding time of every airline, and it came out that Jetco had the fastest average boarding times of any airline.

What factors could have biased this result, and what would you look into?

What could potentially bias the average boarding time in favor of an airline that only flies domestically?

What could potentially bias the average boarding time in favor of an airline that only flies domestically?

Boarding Times Bias

A new airline came out as the fastest average boarding times compared to other airlines.  What factors could have biased this result and what would you look into?

You are testing hundreds of hypotheses with many t-tests. What considerations should be made?

What is a key disadvantage of the F-test when compared to multiple t-tests?

What is a key disadvantage of the F-test when compared to multiple t-tests?

Hundreds of Hypotheses

You are testing hundreds of hypotheses with many t-tests. What considerations should be made?

Philo Salaries by Position

<h3>Job Description</h3><div>Job Description<div>At Philo, we're a group of technology and product people who set out to build the future of television, marrying the best in modern technology with the most compelling medium ever invented — in short, we're building the TV experience that we've always wanted for ourselves. In practice this means leveraging cloud delivery, modern tech stacks, machine learning, and hand-crafted native app experiences on all of our platforms. We aim to deliver a rock solid experience on the streaming basics, while cooking up next generation multi-screen and multi-user playback experiences.Senior Machine Learning Engineer (Recommendations)Philo's recommendation system improves user engagement and customer satisfaction by tailoring content discovery to individual preferences and viewing habits. We want users to be confident that Philo will have something they want to watch every time they open the app.We are seeking a Machine Learning Engineer to lead the development of our recommendation system driving content discovery for millions of users. As a member of a growing team, you will serve as both a technical leader that owns the entire stack for the recommendation system and as a subject matter expert on how to apply this system to the product to increase user engagement. You will work closely with the data science, product, infrastructure, and backend engineering teams to create enjoyable experiences for our users that will lead to increased customer acquisition and retention.Responsibilities:<ul><li>Design ML solutions for user problems prioritized by the team and evaluate various approaches based on viability and practicality, with consideration to project timelines and available engineering resources.</li><li>Design, develop, and deploy machine learning models to improve the accuracy and relevance of our recommendations.</li><li>Identify ways the recommendation system can be integrated into the product for maximum impact.</li><li>Conduct rigorous A/B testing and ML experiments to understand model performance and iterate rapidly based on feedback.</li><li>Collaborate with cross-functional teams comprised of data science, backend engineering, and product management to integrate ML models into the production environment.</li><li>Ensure the scalability and efficiency of our ML systems, working closely with infrastructure teams to leverage cloud technologies effectively.</li><li>Contribute to the strategic planning of the recommendations roadmap, aligning engineering efforts with business objectives and user needs.</li></ul>Qualifications:<ul><li>8+ years of experience in backend engineering and/or data science, including 4+ years focused on machine learning. Experience with recommendation systems is a big plus.</li><li>Strong coding skills in Python, as well as proficiency in using ML frameworks like PyTorch or TensorFlow.</li><li>Excellent analytical and problem-solving skills, with the ability to translate complex technical challenges into business solutions.</li><li>Proven track record of leading projects and delivering impactful machine learning solutions.</li><li>Strong communication and documentation skills; capable of explaining complex, technical concepts to non-technical stakeholders and to diligently document your work to help the team as a whole learn and move quickly.</li></ul>Nice to have:<ul><li>Experience with Amazon SageMaker or similar MLOps platforms.</li></ul>More about PhiloAt Philo, we're a company that puts people first—both our subscribers and our team. Our philosophy is to empower our colleagues to do their best work while supporting each other in pursuing shared goals. We value pragmatism, pride in our work, and passion. Transparency and openness are fundamental to our company culture. We are committed to diversity and inclusion as we grow the Philo team and shape the future of TV. We believe that a diverse set of voices and perspectives on our team enables us to innovate faster and create the best experience for our subscribers.Philo offers access to top-rated networks, including AMC, BET, CMT, Comedy Central, Discovery, Food Network, Hallmark, HGTV, History, Investigation Discovery, Lifetime, MTV, Nickelodeon, OWN, VH1, WE tv, and more, along with groundbreaking originals and blockbuster movies included with AMC+. Our service also includes 80+ free channels and premium add-ons like STARZ and MGM+.Our extensive library boasts over 75,000 titles, and our unlimited DVR allows users to save their favorite shows and movies for up to a year, skipping ads for a seamless viewing experience. Stream on up to three devices simultaneously, whether on your phone, tablet, laptop, or TV using Roku, Apple TV, Fire TV, Samsung TV, Android TV, Vizio TV, or Chromecast.Philo is headquartered in San Francisco, with offices in New York and Cambridge, MA. Our leadership team includes a co-founder of Facebook and alums from Meraki and HBO, backed by NEA and industry partners like Discovery, Viacom, AMC, and A&E.Join us at Philo and be part of a team that's shaping the future of TV!Status: Full-time Location: San Francisco, CA Compensation: Includes annual salary between $200K - $240K depending on experience and location, company stock options and health benefits.We value a diverse and inclusive workplace and we welcome people of different backgrounds, experiences, skills, and perspectives. Philo is an equal opportunity employer. We believe that everyone does their best work when they are supported by each other and the company, and we offer a generous set of benefits to make sure the Philo team is happy and healthy. Here is a sampling of the benefits we offer our team:<ul><li>Full health, dental and vision coverage for you and your family</li><li>401(k) plan with employer contributions (we match 100% of deferrals up to 3% of pay and 50% of the next 2% of pay)</li><li>Flexible working hours</li><li>Up to 20 weeks of fully paid parental leave</li><li>Unlimited paid time off for vacation and sick leave</li><li>$2,000 annual vacation bonus (we pay you to take a two week vacation)</li><li>$5,250 annually for professional development and educational assistance</li><li>$1,250 annual home office + TV stipend during first year of employment ($250 annually thereafter)</li><li>$500/month ($6,000/year) bonus for employees who commit to working at least 3 days per week in our offices, plus generous commuter benefits ($315/month towards transit, rideshare, bike rental, or parking at our HQ office in San Francisco)</li><li>Free Gympass subscription — an all-in-one corporate benefit that gives employees the largest selection of gyms, studios, classes, training and wellness apps</li><li>Dog-friendly office</li><li>And much more!</li></ul>For California Residents: Philo's CCPA Notice at Collection – Employees, Applicants, Owners, Directors, Officers and ContractorsPursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.</div></div>

At Philo, we're a group of technology and product people who set out to build the future of television, marrying the best in modern technology with the most compelling medium ever invented - in short, we're building the TV experience that we've always wanted for ourselves. In practice this means leveraging cloud delivery, modern tech stacks, machine learning, and hand-crafted native app experiences on all of our platforms. We aim to deliver a rock solid experience on the streaming basics, while cooking up next generation multi-screen and multi-user playback experiences. Senior Video Player Software Engineer (Cambridge) Philo's video streaming infrastructure is highly distributed, horizontally scalable, and harnesses the power of cloud computing to deliver enough video to comprise single digit percentages of North American internet traffic. Our video players are all developed in-house, leveraging a layer of shared code across platforms, and open source technology for playback. Our video pipeline, which is also developed in-house, ingests both live and VOD content, dynamically inserts ads into video streams using Server-Side Ad Insertion (SSAI), and optimally delivers them to our growing user base at exabyte scale. We use industry leading commercial and open source components in the transcode stage, paired with just-in-time packaging and our own ad stitcher that outputs unique manifests (targeting both HLS and MPEG-DASH) on a per-user, per-session basis. We are seeking an enthusiastic Video Software Engineer to help us build and optimize our playback stack. We are a small team that uses experimentation and grit to make improvements to the playback experience and its business impact. You will have free reign to work across multiple technologies and to go deep into the stack. Whether it's hunting a bug in Chromium, contributing to open-source projects like Shaka Player, or finding new and creative ways to instrument our players, you will find the most impactful changes and prove that they work. Responsibilities: <ul><li>Own the application-driven playback quality on all devices playing Philo content.</li><li>Design, implement, release and monitor the next generation of Philo's content streaming frontend infrastructure.</li><li>Drive continuous improvements to the reliability, performance, latency, and security of Philo's streaming platforms, leveraging both in-house technology and, as necessary, contributing to open source projects.</li><li>Ensure we are measuring and optimizing every aspect of our content delivery process and the quality of our users' viewing experience (QoE).</li></ul>Qualifications: <ul><li>8+ years of software development experience.</li><li>Experience integrating players, including, but not limited to Shaka, media3/Exoplayer, and AVPlayer.</li><li>Experience with streaming protocols such as MPEG-DASH, HLS, MPEG TS, fMP4, CMAF, Zixi, and SRT.</li><li>Possesses knowledge of CDN configuration, video stream transcoding and packaging, and DRM processes and can independently resolve issues and enhance overall system performance.</li><li>Familiarity with Server-Side Ad Insertion (SSAI).</li><li>Proven track record of building highly efficient and feature rich Web, Android, and/or iOS applications using JavaScript/TypeScript, Kotlin, or Swift.</li><li>Must be willing to learn new technologies and languages to support our application needs regarding playback and telemetry.</li><li>Experience working with large amounts of data to prioritize projects, measure impact, and explore a problem space.</li><li>Knows when a problem requires a backend solution and can effectively communicate requirements to backend engineers.</li></ul> Bonus Points: <ul><li>Active open source contributor to a major video streaming project (eg Shaka, Bento, ffmpeg/libav, media3/Exoplayer, video.js).</li></ul> More about Philo At Philo, we're a company that puts people first-both our subscribers and our team. Our philosophy is to empower our colleagues to do their best work while supporting each other in pursuing shared goals. We value pragmatism, pride in our work, and passion. Transparency and openness are fundamental to our company culture. We are committed to diversity and inclusion as we grow the Philo team and shape the future of TV. We believe that a diverse set of voices and perspectives on our team enables us to innovate faster and create the best experience for our subscribers. Philo offers access to top-rated networks, including AMC, BET, CMT, Comedy Central, Discovery, Food Network, Hallmark, HGTV, History, Investigation Discovery, Lifetime, MTV, Nickelodeon, OWN, VH1, WE tv, and more, along with groundbreaking originals and blockbuster movies included with AMC+. Our service also includes 80+ free channels and premium add-ons like STARZ and MGM+. Our extensive library boasts over 75,000 titles, and our unlimited DVR allows users to save their favorite shows and movies for up to a year, skipping ads for a seamless viewing experience. Stream on up to three devices simultaneously, whether on your phone, tablet, laptop, or TV using Roku, Apple TV, Fire TV, Samsung TV, Android TV, Vizio TV, or Chromecast. Philo is headquartered in San Francisco, with offices in New York and Cambridge, MA. Our leadership team includes a co-founder of Facebook and alums from Meraki and HBO, backed by NEA and industry partners like Discovery, Viacom, AMC, and A&E. Join us at Philo and be part of a team that's shaping the future of TV! Status: Full-time Location: Cambridge, MA or remote within the U.S. Compensation: Includes annual salary between $162K - $210K depending on experience and location, company stock options and health benefits We value a diverse and inclusive workplace and we welcome people of different backgrounds, experiences, skills, and perspectives. Philo is an equal opportunity employer. We believe that everyone does their best work when they are supported by each other and the company, and we offer a generous set of benefits to make sure the Philo team is happy and healthy. Here is a sampling of the benefits we offer our team: <ul><li>Full health, dental and vision coverage for you and your family</li><li>401(k) plan with employer contributions (we match 100% of deferrals up to 3% of pay and 50% of the next 2% of pay)</li><li>Flexible working hours</li><li>Up to 20 weeks of fully paid parental leave</li><li>Unlimited paid time off for vacation and sick leave</li><li>$2,000 annual vacation bonus (we pay you to take a two week vacation)</li><li>$5,250 annually for professional development and educational assistance</li><li>$1,250 annual home office + TV stipend during first year of employment ($250 annually thereafter)</li><li>$500/month ($6,000/year) bonus for employees who commit to working at least 3 days per week in our offices, plus generous commuter benefits ($315/month towards transit, rideshare, bike rental, or parking at our HQ office in San Francisco)</li><li>Free Gympass subscription - an all-in-one corporate benefit that gives employees the largest selection of gyms, studios, classes, training and wellness apps</li><li>Dog-friendly office</li><li>And much more!</li></ul> For California Residents: Philo's CCPA Notice at Collection - Employees, Applicants, Owners, Directors, Officers and Contractors Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.

<h3>Job Description</h3><div>Job Description<div>Philo: TV on the Internet!!!At Philo, we're a group of technology and product people who set out to build the future of television, marrying the best in modern technology with the most compelling medium ever invented — in short, we're building the TV experience that we've always wanted for ourselves. In practice this means leveraging cloud delivery, modern tech stacks, machine learning, and hand-crafted native app experiences on all of our platforms. We aim to deliver a rock solid experience on the streaming basics, while cooking up next generation multi-screen and multi-user playback experiences.Android Software Engineering ManagerThe Android team at Philo is responsible for building our product experience on four different platforms from one codebase — Android Mobile, Android TV, Amazon Fire Tablets, and Amazon FireTV. We're a small collaborative team building apps with high engagement and millions of installs, which collectively are responsible for a huge fraction of the billions of minutes watched on Philo each year. We are passionate about crafting the best possible UX to connect our users with the content they love, providing a seamless viewing experience while surprising them with new features and capabilities.Engineering Managers at Philo lead by example, and are expected to write code and demonstrate best practices while also providing coaching, technical leadership, and insights within and across teams. We expect managers to split their time between hands-on technical project tasks (coding, designing, scoping, researching, etc.), and on team management and coaching, adjusting the ratio as needed depending on the team's needs at any given time. We are seeking an enthusiastic Software Engineering Manager with a deep technical background building high-quality, high-engagement Android applications for TV and mobile. As a member of a growing team, you will serve as both a technical leader to help us build new features and as an internal subject matter expert on the Android platform.Responsibilities:<ul><li>Provide technical leadership to members of the Android team, including input on system architecture and design tradeoffs.</li><li>Provide strong people management for the members of your team, including technical coaching, high quality feedback on performance, and career development.</li><li>Drive continuous improvements to the reliability, performance, and UI of the Android applications. In practice this means managing our tech debt backlog, and advocating for improvements as needed.</li><li>Manage day-to-day partnership operations with Google and Amazon. This includes working through technical integrations and ensuring that the app release process goes smoothly.</li><li>Help the team manage and plan for the application releases. We have a rotating release shepherd, who is a member of the Android team and is responsible for the nuts and bolts coordination of each release (every 2 weeks). In this role you would help guide the shepherd and make hard decisions about feature inclusion.</li><li>Monitor app performance and triage crashes, bugs and performance regressions as they arise.</li><li>Collaborate with internal stakeholders across marketing, support, design, product, and data science teams to ensure smooth feature delivery.</li><li>Own the best practices within the codebase; lead by example by improving the codebase and its supporting documentation as you go.</li><li>Own and drive any hiring/recruiting needed for the growth of the team over time.</li></ul>Qualifications:<ul><li>8+ years of software development experience</li><li>3+ years of software engineering management experience</li><li>Experience with Kotlin, Coroutines, and their surrounding ecosystem</li><li>Experience developing an Android app for TV platforms</li><li>Experience with Jetpack Compose</li><li>Experience with MVVM, MVI, and/or Clean Architecture</li><li>Experience using SQL-based tools for application monitoring and alerting</li></ul>Nice to have:<ul><li>Experience with video playback and ExoPlayer</li><li>Experience with GraphQL-based APIs</li><li>Experience with TV Integration Framework</li><li>Experience with cross device interoperability (e.g. casting)</li><li>Experience building multi-modal experiences</li></ul>The Android codebase uses MVI paradigms, and we are slowly adding Compose to our larger components. Of particular note, our business logic is largely encapsulated by a shared Kotlin Multiplatform Codebase, so for newer features, the business logic lives outside of the Android code.More about PhiloAt Philo, we're a company that puts people first—both our subscribers and our team. Our philosophy is to empower our colleagues to do their best work while supporting each other in pursuing shared goals. We value pragmatism, pride in our work, and passion. Transparency and openness are fundamental to our company culture. We are committed to diversity and inclusion as we grow the Philo team and shape the future of TV. We believe that a diverse set of voices and perspectives on our team enables us to innovate faster and create the best experience for our subscribers.Philo offers access to top-rated networks, including AMC, BET, CMT, Comedy Central, Discovery, Food Network, Hallmark, HGTV, History, Investigation Discovery, Lifetime, MTV, Nickelodeon, OWN, VH1, WE tv, and more, along with groundbreaking originals and blockbuster movies included with AMC+. Our service also includes 80+ free channels and premium add-ons like STARZ and MGM+.Our extensive library boasts over 75,000 titles, and our unlimited DVR allows users to save their favorite shows and movies for up to a year, skipping ads for a seamless viewing experience. Stream on up to three devices simultaneously, whether on your phone, tablet, laptop, or TV using Roku, Apple TV, Fire TV, Samsung TV, Android TV, Vizio TV, or Chromecast.Philo is headquartered in San Francisco, with offices in New York and Cambridge, MA. Our leadership team includes a co-founder of Facebook and alums from Meraki and HBO, backed by NEA and industry partners like Discovery, Viacom, AMC, and A&E.Join us at Philo and be part of a team that's shaping the future of TV!Status: Full-time Location: San Francisco, CA or remote within the U.S. Compensation: Includes annual salary between $162K - $240K depending on experience and location, company stock options and health benefitsWe value a diverse and inclusive workplace and we welcome people of different backgrounds, experiences, skills, and perspectives. Philo is an equal opportunity employer. We believe that everyone does their best work when they are supported by each other and the company, and we offer a generous set of benefits to make sure the Philo team is happy and healthy. Here is a sampling of the benefits we offer our team:<ul><li>Full health, dental and vision coverage for you and your family</li><li>401(k) plan with employer contributions (we match 100% of deferrals up to 3% of pay and 50% of the next 2% of pay)</li><li>Flexible working hours</li><li>Up to 20 weeks of fully paid parental leave</li><li>Unlimited paid time off for vacation and sick leave</li><li>$2,000 annual vacation bonus (we pay you to take a two week vacation)</li><li>$5,250 annually for professional development and educational assistance</li><li>$1,250 annual home office + TV stipend during first year of employment ($250 annually thereafter)</li><li>$500/month ($6,000/year) bonus for employees who commit to working at least 3 days per week in our offices, plus generous commuter benefits ($315/month towards transit, rideshare, bike rental, or parking at our HQ office in San Francisco)</li><li>Free Gympass subscription — an all-in-one corporate benefit that gives employees the largest selection of gyms, studios, classes, training and wellness apps</li><li>Dog-friendly office</li><li>And much more!</li></ul>For California Residents: Philo's CCPA Notice at Collection – Employees, Applicants, Owners, Directors, Officers and ContractorsPursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.</div></div>

At Philo, we’re a group of technology and product people who set out to build the future of television, marrying the best in modern technology with the most compelling medium ever invented — in short, we’re building the TV experience that we’ve always wanted for ourselves. In practice this means leveraging cloud delivery, modern tech stacks, machine learning, and hand-crafted native app experiences on all of our platforms. We aim to deliver a rock solid experience on the streaming basics, while cooking up next generation multi-screen and multi-user playback experiences. <h3>Senior Machine Learning Engineer (Recommendations)</h3> Philo’s recommendation system improves user engagement and customer satisfaction by tailoring content discovery to individual preferences and viewing habits. We want users to be confident that Philo will have something they want to watch every time they open the app. We are seeking a Machine Learning Engineer to lead the development of our recommendation system driving content discovery for millions of users. As a member of a growing team, you will serve as both a technical leader that owns the entire stack for the recommendation system and as a subject matter expert on how to apply this system to the product to increase user engagement. You will work closely with the data science, product, infrastructure, and backend engineering teams to create enjoyable experiences for our users that will lead to increased customer acquisition and retention. <h3>Responsibilities:</h3> <ul> <li>Design ML solutions for user problems prioritized by the team and evaluate various approaches based on viability and practicality, with consideration to project timelines and available engineering resources.</li> <li>Design, develop, and deploy machine learning models to improve the accuracy and relevance of our recommendations.</li> <li>Identify ways the recommendation system can be integrated into the product for maximum impact.</li> <li>Conduct rigorous A/B testing and ML experiments to understand model performance and iterate rapidly based on feedback.</li> <li>Collaborate with cross-functional teams comprised of data science, backend engineering, and product management to integrate ML models into the production environment.</li> <li>Ensure the scalability and efficiency of our ML systems, working closely with infrastructure teams to leverage cloud technologies effectively.</li> <li>Contribute to the strategic planning of the recommendations roadmap, aligning engineering efforts with business objectives and user needs.</li> </ul> <h3>Qualifications:</h3> <ul> <li>8+ years of experience in backend engineering and/or data science, including 4+ years focused on machine learning. Experience with recommendation systems is a big plus.</li> <li>Strong coding skills in Python, as well as proficiency in using ML frameworks like PyTorch or TensorFlow.</li> <li>Excellent analytical and problem-solving skills, with the ability to translate complex technical challenges into business solutions.</li> <li>Proven track record of leading projects and delivering impactful machine learning solutions.</li> <li>Strong communication and documentation skills; capable of explaining complex, technical concepts to non-technical stakeholders and to diligently document your work to help the team as a whole learn and move quickly.</li> </ul> <h3>Nice to have:</h3> <ul> <li>Experience with Amazon SageMaker or similar MLOps platforms.</li> </ul> <h3>Status:</h3> Full-time <h3>Location:</h3> San Francisco, CA <h3>Compensation:</h3> Includes annual salary between $200K - $240K depending on experience and location, company stock options and health benefits. We value a diverse and inclusive workplace and we welcome people of different backgrounds, experiences, skills, and perspectives. Philo is an equal opportunity employer.
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<h3>Job Description</h3><div>Job Description<div>Philo: TV on the Internet (TVoIP)At Philo, we're a group of technology and product people who set out to build the future of television, marrying the best in modern technology with the most compelling medium ever invented — in short, we're building the TV experience that we've always wanted for ourselves. In practice this means leveraging cloud delivery, modern tech stacks, machine learning, and hand-crafted native app experiences on all of our platforms. We aim to deliver a rock solid experience on the streaming basics, while cooking up next generation multi-screen and multi-user playback experiences.Data Science at PhiloData underpins everything we do at Philo: making informed business decisions; analyzing and improving the quality of our streaming experience; running product experiments to optimize our signup flows; and making it easier for our users to find the perfect thing to watch. On the Data Science team, we're looking for someone who is comfortable working on a variety of ad auction and placement optimization problems, using experimentation to improve our ads systems, and helping to lead our team in balancing monetization and quality of experience considerations across our streaming service. You'll be working closely with other data scientists, analysts, and engineers to build and deploy solutions directly for our service. We are passionate about problem-solving and providing data-informed insights for the entire company using both cutting-edge techniques and proven practices in close collaboration with every department. To complete our work we build on modern open-source tools including dbt, GrowthBook, Robyn, Superset, and PyTorch as well as SaaS tools such as Segment, SageMaker, AWS Glue, Mode, Avo, and BigEye.Some of the recent projects our Data Science team members have worked on include:<ul><li>Modeling to determine which early product behaviors predict conversion</li><li>Running experiments to evaluate the impact of alternative ad bidding strategies</li><li>Building data models for analysis of lifetime value of customers including ad revenue</li><li>Price sensitivity research and competitive market analyses</li></ul>QualificationsPhilo is seeking a Senior Advertising Data Scientist with demonstrated understanding of statistical modeling, A/B/n experimentation practices, SQL, and experience independently developing data driven insights. This data scientist will have the opportunity to leverage massive structured, unstructured, transactional, and real-time data sets from a variety of sources, analyze financial and customer usage patterns, and make actionable recommendations to product, marketing, engineering, and business development teams. In this role, the Senior Advertising Data Scientist will support the entire product development lifecycle for our programmatic sales side advertising systems (that is, the ad inventory we sell), from feature ideation and opportunity sizing to measurement and experiment design and from causal analysis and post-launch learning to the next development cycle. Senior Data Scientists at Philo contribute to mentorship and leadership on the Data team whether they are people managers or individual contributors. The individual in this role will be expected to balance individual contribution (~80% of time) with people management responsibilities.Responsibilities:<ul><li>Build a deep understanding of how subscribers use Philo on each of our streaming platforms, how that usage influences advertising performance and defining the metrics to evaluate new features in our advertising systems</li><li>Own analytics and tracking plans within several development work streams, from metric definition and data instrumentation design to ongoing reporting and research</li><li>Iteratively improve our experimentation methods and establish best practices for experiments in a live advertising auction environment</li><li>Establish curated dashboards that will serve as the primary source by which we evaluate the performance of features</li><li>Run queries to support ad-hoc product questions and create Mode dashboards and other visualizations for stakeholders</li><li>Own your analytics projects, proactively identify issues and opportunities, test hypotheses, and propose solutions</li><li>Collaborate with groups company-wide (e.g. business development, advertising operations, marketing, and support) on KPIs, including lifetime value, retention, win-back, and content consumption metrics</li></ul>Key Qualifications:<ul><li>10+ years of experience in a Data Science role, preferably with experience managing analysts, engineers, or data scientists. Demonstrated ability to influence product roadmaps and business decisions with data</li><li>Proven expertise in experimental design (including but not limited to A/B testing), principles of causal inference, and statistical techniques Experience with programmatic DSP/SSP advertising systems</li><li>Experience with relational databases and SQL</li><li>Strong written and verbal communication skills, with the ability to explain and present analytical methodology and results to non-technical audiences</li><li>Expert with statistical analysis in either R or Python</li><li>Strong analytics fundamentals – a degree in statistics, economics, a related field, or similar professional experience</li><li>Experience in writing production-quality code in R/Python, productionizing data models and statistical models with tools such as Git, Sagemaker, and dbt, and using software engineering best practices around version control, review, and automated testing</li></ul>More about PhiloAt Philo, we're a company that puts people first—both our subscribers and our team. Our philosophy is to empower our colleagues to do their best work while supporting each other in pursuing shared goals. We value pragmatism, pride in our work, and passion. Transparency and openness are fundamental to our company culture. We are committed to diversity and inclusion as we grow the Philo team and shape the future of TV. We believe that a diverse set of voices and perspectives on our team enables us to innovate faster and create the best experience for our subscribers.Philo offers access to top-rated networks, including AMC, BET, CMT, Comedy Central, Discovery, Food Network, Hallmark, HGTV, History, Investigation Discovery, Lifetime, MTV, Nickelodeon, OWN, VH1, WE tv, and more, along with groundbreaking originals and blockbuster movies included with AMC+. Our service also includes 80+ free channels and premium add-ons like STARZ and MGM+.Our extensive library boasts over 75,000 titles, and our unlimited DVR allows users to save their favorite shows and movies for up to a year, skipping ads for a seamless viewing experience. Stream on up to three devices simultaneously, whether on your phone, tablet, laptop, or TV using Roku, Apple TV, Fire TV, Samsung TV, Android TV, Vizio TV, or Chromecast.Philo is headquartered in San Francisco, with offices in New York and Cambridge, MA. Our leadership team includes a co-founder of Facebook and alums from Meraki and HBO, backed by NEA and industry partners like Discovery, Viacom, AMC, and A&E.Join us at Philo and be part of a team that's shaping the future of TV!Status: Full-time Location: San Francisco, CA Compensation: Includes annual salary between $180K-$230K depending on experience and location, company stock options, and health benefits.We value a diverse and inclusive workplace and we welcome people of different backgrounds, experiences, skills, and perspectives. Philo is an equal opportunity employer. We believe that everyone does their best work when they are supported by each other and the company, and we offer a generous set of benefits to make sure the Philo team is happy and healthy. Here is a sampling of the benefits we offer our team:<ul><li>Full health, dental and vision coverage for you and your family</li><li>401(k) plan with employer contributions (we match 100% of deferrals up to 3% of pay and 50% of the next 2% of pay)</li><li>Flexible working hours</li><li>Up to 20 weeks of fully paid parental leave</li><li>Unlimited paid time off for vacation and sick leave</li><li>$2,000 annual vacation bonus (we pay you to take a two week vacation)</li><li>$5,250 annually for professional development and educational assistance</li><li>$1,250 annual home office + TV stipend during first year of employment ($250 annually thereafter)</li><li>$500/month ($6,000/year) bonus for employees who commit to working at least 3 days per week in our offices, plus generous commuter benefits ($315/month towards transit, rideshare, bike rental, or parking at our HQ office in San Francisco)</li><li>Free Gympass subscription — an all-in-one corporate benefit that gives employees the largest selection of gyms, studios, classes, training and wellness apps</li><li>Dog-friendly office</li><li>And much more!</li></ul>For California Residents: Philo's CCPA Notice at Collection – Employees, Applicants, Owners, Directors, Officers and ContractorsPursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.</div></div>

<h3>Job Description</h3><div>Job Description<div>Philo: TV on the Internet (TVoIP)At Philo, we're a group of technology and product people who set out to build the future of television, marrying the best in modern technology with the most compelling medium ever invented — in short, we're building the TV experience that we've always wanted for ourselves. In practice this means leveraging cloud delivery, modern tech stacks, machine learning, and hand-crafted native app experiences on all of our platforms. We aim to deliver a rock solid experience on the streaming basics, while cooking up next generation multi-screen and multi-user playback experiences.Data Science at PhiloData underpins everything we do at Philo: making informed business decisions; analyzing and improving the quality of our streaming experience; running product experiments to optimize our signup flows; and making it easier for our users to find the perfect thing to watch. On the Data Science team, we're looking for someone who is comfortable working on a variety of ad auction and placement optimization problems, using experimentation to improve our ads systems, and helping to lead our team in balancing monetization and quality of experience considerations across our streaming service. You'll be working closely with other data scientists, analysts, and engineers to build and deploy solutions directly for our service. We are passionate about problem-solving and providing data-informed insights for the entire company using both cutting-edge techniques and proven practices in close collaboration with every department. To complete our work we build on modern open-source tools including dbt, GrowthBook, Robyn, Superset, and PyTorch as well as SaaS tools such as Segment, SageMaker, AWS Glue, Mode, Avo, and BigEye.Some of the recent projects our Data Science team members have worked on include:<ul><li>Modeling to determine which early product behaviors predict conversion</li><li>Running experiments to evaluate the impact of alternative ad bidding strategies</li><li>Building data models for analysis of lifetime value of customers including ad revenue</li><li>Price sensitivity research and competitive market analyses</li></ul>QualificationsPhilo is seeking a Senior Advertising Data Scientist with demonstrated understanding of statistical modeling, A/B/n experimentation practices, SQL, and experience independently developing data driven insights. This data scientist will have the opportunity to leverage massive structured, unstructured, transactional, and real-time data sets from a variety of sources, analyze financial and customer usage patterns, and make actionable recommendations to product, marketing, engineering, and business development teams. In this role, the Senior Advertising Data Scientist will support the entire product development lifecycle for our programmatic sales side advertising systems (that is, the ad inventory we sell), from feature ideation and opportunity sizing to measurement and experiment design and from causal analysis and post-launch learning to the next development cycle. Senior Data Scientists at Philo contribute to mentorship and leadership on the Data team whether they are people managers or individual contributors. The individual in this role will be expected to balance individual contribution (~80% of time) with people management responsibilities.Responsibilities:<ul><li>Build a deep understanding of how subscribers use Philo on each of our streaming platforms, how that usage influences advertising performance and defining the metrics to evaluate new features in our advertising systems</li><li>Own analytics and tracking plans within several development work streams, from metric definition and data instrumentation design to ongoing reporting and research</li><li>Iteratively improve our experimentation methods and establish best practices for experiments in a live advertising auction environment</li><li>Establish curated dashboards that will serve as the primary source by which we evaluate the performance of features</li><li>Run queries to support ad-hoc product questions and create Mode dashboards and other visualizations for stakeholders</li><li>Own your analytics projects, proactively identify issues and opportunities, test hypotheses, and propose solutions</li><li>Collaborate with groups company-wide (e.g. business development, advertising operations, marketing, and support) on KPIs, including lifetime value, retention, win-back, and content consumption metrics</li></ul>Key Qualifications:<ul><li>10+ years of experience in a Data Science role, preferably with experience managing analysts, engineers, or data scientists. Demonstrated ability to influence product roadmaps and business decisions with data</li><li>Proven expertise in experimental design (including but not limited to A/B testing), principles of causal inference, and statistical techniques Experience with programmatic DSP/SSP advertising systems</li><li>Experience with relational databases and SQL</li><li>Strong written and verbal communication skills, with the ability to explain and present analytical methodology and results to non-technical audiences</li><li>Expert with statistical analysis in either R or Python</li><li>Strong analytics fundamentals – a degree in statistics, economics, a related field, or similar professional experience</li><li>Experience in writing production-quality code in R/Python, productionizing data models and statistical models with tools such as Git, Sagemaker, and dbt, and using software engineering best practices around version control, review, and automated testing</li></ul>More about PhiloAt Philo, we're a company that puts people first—both our subscribers and our team. Our philosophy is to empower our colleagues to do their best work while supporting each other in pursuing shared goals. We value pragmatism, pride in our work, and passion. Transparency and openness are fundamental to our company culture. We are committed to diversity and inclusion as we grow the Philo team and shape the future of TV. We believe that a diverse set of voices and perspectives on our team enables us to innovate faster and create the best experience for our subscribers.Philo offers access to top-rated networks, including AMC, BET, CMT, Comedy Central, Discovery, Food Network, Hallmark, HGTV, History, Investigation Discovery, Lifetime, MTV, Nickelodeon, OWN, VH1, WE tv, and more, along with groundbreaking originals and blockbuster movies included with AMC+. Our service also includes 80+ free channels and premium add-ons like STARZ and MGM+.Our extensive library boasts over 75,000 titles, and our unlimited DVR allows users to save their favorite shows and movies for up to a year, skipping ads for a seamless viewing experience. Stream on up to three devices simultaneously, whether on your phone, tablet, laptop, or TV using Roku, Apple TV, Fire TV, Samsung TV, Android TV, Vizio TV, or Chromecast.Philo is headquartered in San Francisco, with offices in New York and Cambridge, MA. Our leadership team includes a co-founder of Facebook and alums from Meraki and HBO, backed by NEA and industry partners like Discovery, Viacom, AMC, and A&E.Join us at Philo and be part of a team that's shaping the future of TV!Status: Full-time Location: Brooklyn, NY Compensation: Includes annual salary between $180K-$230K depending on experience and location, company stock options, and health benefits.We value a diverse and inclusive workplace and we welcome people of different backgrounds, experiences, skills, and perspectives. Philo is an equal opportunity employer. We believe that everyone does their best work when they are supported by each other and the company, and we offer a generous set of benefits to make sure the Philo team is happy and healthy. Here is a sampling of the benefits we offer our team:<ul><li>Full health, dental and vision coverage for you and your family</li><li>401(k) plan with employer contributions (we match 100% of deferrals up to 3% of pay and 50% of the next 2% of pay)</li><li>Flexible working hours</li><li>Up to 20 weeks of fully paid parental leave</li><li>Unlimited paid time off for vacation and sick leave</li><li>$2,000 annual vacation bonus (we pay you to take a two week vacation)</li><li>$5,250 annually for professional development and educational assistance</li><li>$1,250 annual home office + TV stipend during first year of employment ($250 annually thereafter)</li><li>$500/month ($6,000/year) bonus for employees who commit to working at least 3 days per week in our offices, plus generous commuter benefits ($315/month towards transit, rideshare, bike rental, or parking at our HQ office in San Francisco)</li><li>Free Gympass subscription — an all-in-one corporate benefit that gives employees the largest selection of gyms, studios, classes, training and wellness apps</li><li>Dog-friendly office</li><li>And much more!</li></ul>For California Residents: Philo's CCPA Notice at Collection – Employees, Applicants, Owners, Directors, Officers and Contractors</div></div>

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