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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?

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

Let’s say we have a table with an <code>id</code> and <code>name</code> fields. The table holds over 100 million rows and we want to sample a random row in the table without throttling the database.

Write a query to randomly sample a row from this table.

Input:

<code>big_table</code> table

<table>
<thead>
<tr>
<th>Columns</th>
<th>Type</th>
</tr>
</thead>

<tbody>
<tr>
<td><code>id</code></td>
<td>INTEGER</td>
</tr>

<tr>
<td><code>name</code></td>
<td>VARCHAR</td>
</tr>
</tbody>
</table>

Write a query to randomly sample a row from a big table.

Random SQL Sample

Ringcentral Salaries by Position

Say hello to opportunities. It's not every day that you consider starting a new career. We're RingCentral, and we're happy that someone as talented as you is considering this role. First, a little about us, we're a $2 Billion annual revenue company with double digit Annual Recurring Revenue (ARR) and a $93 Billion market opportunity in UCaaS, Contact Center and AI-powered adjacencies. We invest more than $250 million annually to ensure our AI-enabled technology and platforms meet or exceed the needs of our customers. RingSense AI is our proprietary AI solution. It's designed to fit the business needs of our customers, orchestrated to be accurate and precise, and built on the same open platform principles we apply to our core software solutions. This is where you and your skills come in. We're currently looking for a Senior Software Engineer, where your primary role involves collaborating with product managers, UX designers, and other teams to enhance the RingCentral desktop and mobile applications. This includes designing architecture for new features, applying advanced technologies to mobile and desktop products, supporting production issues and continuously seeking ways to improve stability and performance. This role is also responsible for addressing technical issues through root cause analysis and solution development. Monitoring and reporting on incidents and resolutions is a key part of this role. Job Duties: <ul><li>Collaborating with product managers, UX designers, and other cross-functional teams to review feature requirements and develop ideas for improvements.</li><li>Working with RingCentral support to manage escalated issues to meet SLAs</li><li>Designing architecture to create RingCentral app features and to improve the application continuously.</li><li>Reviewing technical designs and making recommendations to continue improving the RingCentral application.</li><li>Investigating product issues reported by internal and external customers and coordinate with involved teams to develop solutions.</li><li>Keeping track of incidents, resolutions and reporting on progress.</li></ul> To succeed in this role you must have experience in: <ul><li>Platform Knowledge: In-depth understanding of mobile operating systems (iOS, Android) and desktop environments (Windows, macOS).</li><li>API Integration: Experience with integrating various APIs and understanding of RESTful services.</li><li>Testing and Debugging: Ability to write and maintain unit tests, and skill in debugging and performance tuning for both mobile and desktop apps.</li><li>Communication Skills: Effectiveness in communicating ideas and progress to different stakeholders.</li><li>Problem-Solving Skills: Ability to perform root cause analysis and develop effective solutions.</li><li>Incident Management: Experience in tracking, investigating, and resolving production issues.</li><li>Security Practices: Understanding of security practices relevant to mobile and desktop application development, including data encryption and secure communication protocols.</li><li>Agile Methodologies: Experience in Agile development methodologies, which is often favored in software development projects.</li><li>Collaboration: Experience in working with cross-functional teams, including product managers and UX designers.</li><li>Continuous Learning: Commitment to staying updated with industry developments and applying new ideas.</li><li>To comply with U.S. federal government security requirements, U.S. citizenship is required and your employment will be conditioned upon obtaining the Public Trust Verification.</li></ul> Desired Qualifications: <ul><li>A Bachelor's or Master's degree in Computer Science, Computer Engineering, or a relevant technical field is required.</li><li>5 years or more overall Software Development Experience in Agile Development.</li><li>Technical Expertise: Proficiency in software architecture design, especially for web, mobile or desktop applications.</li><li>Programming Languages: Proficiency in one of the languages like Java, JavaScript, Swift, and Kotlin for web and mobile development; C++, TypeScript and Electron experience for desktop applications development is a plus</li></ul> What we offer: <ul><li>Comprehensive medical, dental, vision, disability, life insurance</li><li>Health Savings Account (HSA), Flexible Spending Account (FSAs) and Commuter benefits</li><li>401K match and ESPP</li><li>Paid time off and paid sick leave</li><li>Wellness programs including 1:1 coaching and meditation guidance</li><li>Paid parental and pregnancy leave and new parent gift boxes</li><li>Family-forming benefits (IVF, Preservation, Adoption etc.)</li><li>Emergency backup care (Child/Adult/Pets)</li><li>Pet insurance and Pet Telehealth</li><li>Employee Assistance Program (EAP) with counseling sessions available 24/7</li><li>Free legal services that provide legal advice, document creation and estate planning</li><li>Employee bonus referral program</li><li>Student loan refinancing assistance</li><li>Employee perks and discounts program</li></ul> RingCentral's Engineering team works on high-complexity projects that set the standard for performance and reliability at massive scale. What kind of scale? Millions of users today and hundreds of millions tomorrow. This is your chance to help imagine, develop and deliver products that raise the technological bar, and power human connections. If you're a talented, ambitious, creative thinker, RingCentral is the perfect environment to join a world class team and bring your ideas to life. RingCentral's work culture is the backbone of our success. And don't just take our word for it: we are recognized as a Best Place to Work by Glassdoor, the Top Work Culture by Comparably and hold local BPTW awards in every major location. Bottom line: We are committed to hiring and retaining great people because we know you power our success. RingCentral offers on-site, remote and hybrid work options optimized for the ways we work and live now. About RingCentral RingCentral, Inc. (NYSE: RNG) is a leading provider of business cloud communications and contact center solutions based on its powerful Message Video Phone™ (MVP™) global platform. More flexible and cost effective than legacy on-premises PBX and video conferencing systems that it replaces, RingCentral® empowers modern mobile and distributed workforces to communicate, collaborate, and connect via any mode, any device, and any location. RingCentral is headquartered in Belmont, California, and has offices around the world. RingCentral is an equal opportunity employer that truly values diversity. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. We are committed to providing reasonable accommodations for individuals with disabilities during our application and interview process. If you require such accommodations, please click on the following link to learn more about how we can assist you. If you are hired in Denver, Colorado or Belmont, California, the compensation range for this position is between $96,600 and $161,500 for full-time employees, in addition to eligibility for variable pay, equity, and benefits. Benefits may include, but are not limited to, health and wellness, 401k, ESPP, vacation, parental leave, and more! The salary may vary depending on your location, skills, and experience. #LI-IG1

Say hello to opportunities. It's not every day that you consider starting a new career. We're RingCentral, and we're happy that someone as talented as you is considering this role. First, a little about us, we're a $2 Billion annual revenue company with double digit Annual Recurring Revenue (ARR) and a $93 Billion market opportunity in UCaaS, Contact Center and AI-powered adjacencies. We invest more than $250 million annually to ensure our AI-enabled technology and platforms meet or exceed the needs of our customers. RingSense AI is our proprietary AI solution. It's designed to fit the business needs of our customers, orchestrated to be accurate and precise, and built on the same open platform principles we apply to our core software solutions. This is where you and your skills come in. We're currently looking for a Senior Software Engineer , where your primary role involves collaborating with product managers, UX designers, and other teams to enhance the RingCentral desktop and mobile applications. This includes designing architecture for new features, applying advanced technologies to mobile and desktop products, supporting production issues and continuously seeking ways to improve stability and performance. This role is also responsible for addressing technical issues through root cause analysis and solution development. Monitoring and reporting on incidents and resolutions is a key part of this role. Job Duties: Collaborating with product managers, UX designers, and other cross-functional teams to review feature requirements and develop ideas for improvements. Working with RingCentral support to manage escalated issues to meet SLAs Designing architecture to create RingCentral app features and to improve the application continuously. Reviewing technical designs and making recommendations to continue improving the RingCentral application. Investigating product issues reported by internal and external customers and coordinate with involved teams to develop solutions. Keeping track of incidents, resolutions and reporting on progress. To succeed in this role you must have experience in: Platform Knowledge: In-depth understanding of mobile operating systems (iOS, Android) and desktop environments (Windows, macOS). API Integration: Experience with integrating various APIs and understanding of RESTful services. Testing and Debugging: Ability to write and maintain unit tests, and skill in debugging and performance tuning for both mobile and desktop apps. Communication Skills: Effectiveness in communicating ideas and progress to different stakeholders. Problem-Solving Skills: Ability to perform root cause analysis and develop effective solutions. Incident Management: Experience in tracking, investigating, and resolving production issues. Security Practices: Understanding of security practices relevant to mobile and desktop application development, including data encryption and secure communication protocols. Agile Methodologies: Experience in Agile development methodologies, which is often favored in software development projects. Collaboration: Experience in working with cross-functional teams, including product managers and UX designers. Continuous Learning: Commitment to staying updated with industry developments and applying new ideas. To comply with U.S. federal government security requirements, U.S. citizenship is required and your employment will be conditioned upon obtaining the Public Trust Verification. Desired Qualifications: A Bachelor's or Master's degree in Computer Science, Computer Engineering, or a relevant technical field is required. 5 years or more overall Software Development Experience in Agile Development. Technical Expertise: Proficiency in software architecture design, especially for web, mobile or desktop applications. Programming Languages: Proficiency in one of the languages like Java, JavaScript, Swift, and Kotlin for web and mobile development; C++, TypeScript and Electron experience for desktop applications development is a plus What we offer: Comprehensive medical, dental, vision, disability, life insurance Health Savings Account (HSA), Flexible Spending Account (FSAs) and Commuter benefits 401K match and ESPP Paid time off and paid sick leave Wellness programs including 1:1 coaching and meditation guidance Paid parental and pregnancy leave and new parent gift boxes Family-forming benefits (IVF, Preservation, Adoption etc.) Emergency backup care (Child/Adult/Pets) Pet insurance and Pet Telehealth Employee Assistance Program (EAP) with counseling sessions available 24/7 Free legal services that provide legal advice, document creation and estate planning Employee bonus referral program Student loan refinancing assistance Employee perks and discounts program RingCentral's Engineering team works on high-complexity projects that set the standard for performance and reliability at massive scale. What kind of scale? Millions of users today and hundreds of millions tomorrow. This is your chance to help imagine, develop and deliver products that raise the technological bar, and power human connections. If you're a talented, ambitious, creative thinker, RingCentral is the perfect environment to join a world class team and bring your ideas to life. RingCentral's work culture is the backbone of our success. And don't just take our word for it: we are recognized as a Best Place to Work by Glassdoor, the Top Work Culture by Comparably and hold local BPTW awards in every major location. Bottom line: We are committed to hiring and retaining great people because we know you power our success. RingCentral offers on-site, remote and hybrid work options optimized for the ways we work and live now. About RingCentral RingCentral, Inc. (NYSE: RNG) is a leading provider of business cloud communications and contact center solutions based on its powerful Message Video Phone(MVP) global platform. More flexible and cost effective than legacy on-premises PBX and video conferencing systems that it replaces, RingCentral empowers modern mobile and distributed workforces to communicate, collaborate, and connect via any mode, any device, and any location. RingCentral is headquartered in Belmont, California, and has offices around the world. RingCentral is an equal opportunity employer that truly values diversity. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. We are committed to providing reasonable accommodations for individuals with disabilities during our application and interview process. If you require such accommodations, please click on the following link to learn more about how we can assist you. If you are hired in Denver, Colorado or Belmont, California, the compensation range for this position is between $96,600 and $161,500 for full-time employees, in addition to eligibility for variable pay, equity, and benefits. Benefits may include, but are not limited to, health and wellness, 401k, ESPP, vacation, parental leave, and more The salary may vary depending on your location, skills, and experience. LI-IG1

Position Overview: As a Partner Product Manager at RingCentral, you will play a crucial role in driving the development and delivery of solutions tailored to our Global Service Provider GSP and Channel partners. Your primary responsibility will be to collaborate closely with sales teams to capture new product and business requirements from our partners, and then work cross-functionally with engineering, finance, and operations to develop and deliver these solutions. Key Responsibilities: <ul><li>Partner closely with sales teams to understand partner needs and capture new product and business requirements.</li><li>Advocate for partner needs internally and ensure their requirements are prioritized and accurately translated into product features.</li><li>Collaborate with engineering, finance, and operations teams to develop and deliver partner solutions.</li><li>Drive alignment across internal stakeholders to ensure successful delivery of partner solutions.</li><li>Monitor market trends and partner feedback to identify new opportunities and drive continuous improvement.</li></ul> Qualifications: <ul><li>Bachelor's degree in Business, Engineering, Computer Science, or related field.</li><li>Proven experience in product management, business development, or related role, with a focus on partner or ecosystem products.</li><li>Strong understanding of partnership dynamics, channel sales, and B2B business models.</li><li>Excellent communication and collaboration skills.</li><li>Strategic thinker with ability to translate partner needs into actionable product strategies.</li><li>Results-oriented with a track record of delivering successful products and driving revenue growth.</li><li>Fluent in English</li></ul> What we offer: <ul><li>RingCentral offers all the work/life benefits you could ever want, (and none of the micromanagement.)</li><li>Comprehensive medical, dental, vision, disability, life insurance</li><li>Health Savings Account (HSA), Flexible Spending Account (FSAs) and Commuter Benefits</li><li>401K match and ESPP</li><li>Flexible PTO</li><li>Wellness programs including1:1 wellness coaching through TaskHuman and meditation guidance through Headspace</li><li>Paid parental leave and new parent gift boxes</li><li>Pet insurance</li><li>Employee Assistance Program (EAP) with counseling sessions available 24/7</li><li>Rocket Lawyer services that provide legal advice, document creation and estate planning</li><li>Employee bonus referral program</li></ul> RingCentral's work culture is the backbone of our success. And don't just take our word for it: we are recognized as a Best Place to Work by Glassdoor, the Top Work Culture by Comparably and hold local BPTW awards in every major location. Bottom line: We are committed to hiring and retaining great people because we know you power our success. About RingCentral: RingCentral, Inc. (NYSE: RNG) is a leading provider of business cloud communications and contact center solutions based on its powerful Message Video Phone™ (MVP™) global platform. More flexible and cost effective than legacy on-premises PBX and video conferencing systems that it replaces, RingCentral® empowers modern mobile and distributed workforces to communicate, collaborate, and connect via any mode, any device, and any location. RingCentral is an equal opportunity employer that truly values diversity. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. We are committed to providing reasonable accommodations for individuals with disabilities during our application and interview process. If you require such accommodations, please click on the following link to learn more about how we can assist you.

Ringcentral Interview Questions

Ringcentral Interview Guides

Ringcentral Interview Questions

Ringcentral Salaries by Position

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