Prepare for and practice interview questions from Attentive.

Attentive Interview Questions

Attentive Interview Guides

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 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

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?

Attentive Salaries by Position

About Attentive: Attentive® is the AI marketing platform for leading brands, designed to optimize message performance through 1:1 SMS and email interactions. Infusing intelligence at every stage of the consumer's purchasing journey, Attentive empowers businesses to achieve hyper-personalized communication with their customers on a large scale. Leveraging AI-powered tools, a mobile-first approach, two-way conversations, and enterprise-grade technology, Attentive drives billions in online revenue for brands around the globe. Trusted by over 8,000 leading brands such as CB2, GUESS, Urban Outfitters, and Pura Vida, Attentive is the go-to solution for delivering powerful commerce experiences for consumers with the brands they love. Attentive's growth has been recognized by Deloitte's Fast 500, Linkedin's Top Startups and Forbes Cloud 100 all thanks to the hard work from our global employees! Who we are Our engineering department consists of 200+ people across multiple teams, such as application development, infrastructure, data platform, machine learning, and security. We believe our company will win in the long run through product innovation. To get there, we obsess over iteratively delivering customer value through rapid prototyping and data-driven decision-making. Why Attentive needs you <ul> <ul><li>You understand how to negotiate with Product Management to meet the user's needs without sacrificing quality or accruing tech debt. You deeply loathe regressions and take proactive steps to protect against them through a variety of testing techniques </li><li>You are constantly improving the quality of the project you are working on, both via code contributions as well as long-term advocacy for larger-scale changes </li><li>Build amazing consumer experiences, taking responsibility for code quality, scalability, reliability and performance </li><li>Collaborate with subject matter experts, fellow developers, and internal stakeholders to turn business goals into achievable technical roadmaps </li></ul> </ul>About you <ul> <ul><li>You have worked professionally with web technologies for 8+ years </li><li>You have development experience with either Java, Python or Go </li><li>You have development experience with relational and non-relational databases </li> <li>You have development experience with streaming technologies </li><li>You have experience architecting applications for high scale </li><li>You have a proven track record of building applications that maintain a high bar of quality </li><li>You are an empathetic communicator who can work seamlessly with technical and non-technical stakeholders </li><li>You are comfortable with ambiguity and are adept at using business goals to turn that ambiguity into clear deliverables </li><li>You are excited by new technologies but are conscious of choosing them for the right reasons </li></ul> </ul>Our scale <ul> <ul><li>8,000 brands powered by Attentive sent over 2.2 billion text messages over Cyber Week 2023 (Black Friday/Cyber Monday) representing a growth of 31% from 2022 </li><li>We sent 32 billion SMS messages in 2023, up 32% YoY. That's an average of 87 million per day </li><li>Our production cluster contains over 18,000 containers which serve 200+ services </li><li>Our streaming services process over 80 billion events per month </li></ul> </ul>What we use <ul> <ul><li>We use a wide variety of technology and we're always looking for the best solutions to solve hard problems. </li><li>Our backend is Java / Spring Boot microservices, built with Gradle, coupled with things like DynamoDB, Pulsar, AirFlow, Postgres, Planetscale, and Redis, hosted via AWS. </li><li>Our frontend is built with React and TypeScript, and uses best practices like GraphQL, Storybook, Radix UI, Vite, esbuild, and Playwright </li></ul> </ul> You'll get competitive perks and benefits, from health & wellness to equity, to help you bring your best self to work. For US based applicants: - The US base salary range for this full-time position is $184,000 - $270,000 annually + equity + benefits - Our salary ranges are determined by role, level and location #LI-JK1 Attentive Company Values Default to Action - Move swiftly and with purpose Be One Unstoppable Team - Rally as each other's champions Champion the Customer - Our success is defined by our customers' success Act Like an Owner - Take responsibility for Attentive's success Learn more about AWAKE, Attentive's collective of employee resource groups. If you do not meet all the requirements listed here, we still encourage you to apply! No job description is perfect, and we may also have another opportunity that closely matches your skills and experience. At Attentive, we know that our Company's strength lies in the diversity of our employees. Attentive is an Equal Opportunity Employer and we welcome applicants from all backgrounds. Our policy is to provide equal employment opportunities for all employees, applicants and covered individuals regardless of protected characteristics. We prioritize and maintain a fair, inclusive and equitable workplace free from discrimination, harassment, and retaliation.

Who we are Our engineering department consists of 200+ people across multiple teams, such as application development, infrastructure, data platform, machine learning, and security. We believe our company will win in the long run through product innovation. To get there, we obsess over iteratively delivering customer value through rapid prototyping and data-driven decision-making. We're seeking a self-motivated, highly driven Engineering Manager to lead our Data Lake team. You'll be at the helm of building and optimizing a cutting-edge platform that supports data-driven products and drives strategic outcomes for our customers. By delivering an extensible data and compute environment, you'll ensure seamless access to mission-critical data sets. In this role, you'll collaborate closely with Machine Learning, Product Engineer, Business Intelligence, and Engineering leadership to ensure the platform meets the diverse needs of these teams. This hands-on role requires a balance of people management, technical oversight, and cross-functional leadership, making it ideal for a leader who excels in driving innovation and execution. Why Attentive needs you <ul> <ul><li>Lead the technical vision for the Data Lake team, aligning with company goals and driving strategic outcomes through innovative data solutions. </li><li>Oversee the design and implementation of high-throughput data solutions, ensuring that they are scalable, efficient, and capable of powering critical operations. </li><li>Partner with teams across AI, ML, analytics, and other departments to enhance and expand our self-service data platform, ensuring it meets the evolving needs of the organization. </li><li>Establish and uphold high standards for data quality, governance, and system integration, addressing complex distributed data challenges with robust solutions. </li><li>Recruit, mentor, and develop a high-performing engineering team, fostering a culture of continuous learning, experimentation, and collaboration. </li><li>Balance and prioritize multiple projects, ensuring timely delivery and alignment with business objectives while maintaining high standards of technical excellence. </li></ul> </ul>About you <ul> <ul><li>You have at least 5+ years of industry experience in data engineering and software development, with a proven track record of solving complex big data challenges and delivering impactful solutions. </li><li>You possess deep knowledge of data modeling, data access, and data replication techniques, and have hands-on experience with cloud-based Data Lakehouses. </li><li>You are an outstanding coach and mentor, with a talent for developing high-performing teams and nurturing a culture of continuous improvement and collaboration. </li><li>You have a strong commitment to software quality, with a history of building reliable, high-uptime systems that meet and exceed performance expectations. </li><li>You excel at translating business needs into well-defined projects, taking a hands-on approach to solution design, implementation, and execution. </li><li>You are passionate about emerging technologies and have the ability to evaluate and choose the right tools and technologies to drive innovation while balancing practical considerations. </li><li>You thrive in a collaborative environment, working effectively with cross-functional teams to align technical solutions with business goals and ensure cohesive execution. </li></ul> </ul>Our scale <ul> <ul><li>8,000 brands powered by Attentive sent over 2.2 billion text messages over Cyber Week 2023 (Black Friday/Cyber Monday) representing a growth of 31% from 2022 </li><li>We sent 32 billion SMS messages in 2023, up 32% YoY. That's an average of 87 million per day </li><li>Our production cluster contains over 18,000 containers which serve 200+ services </li><li>Our streaming services process over 80 billion events per month </li></ul> </ul>What we use <ul> <ul><li>We use a wide variety of technology and we're always looking for the best solutions to solve hard problems. </li><li>Our backend is Java / Spring Boot microservices, built with Gradle, coupled with things like DynamoDB, Pulsar, AirFlow, Postgres, Planetscale, and Redis, hosted via AWS. </li><li>Our frontend is built with React and TypeScript, and uses best practices like GraphQL, Storybook, Radix UI, Vite, esbuild, and PlaywrightV </li></ul> </ul> You'll get competitive perks and benefits, from health & wellness to equity, to help you bring your best self to work. For US based applicants: - The US base salary range for this full-time position is $1603,540 to $240,000 annually + equity + benefits - Our salary ranges are determined by role, level and location #LI-EF1

About Attentive: Attentive® is the AI marketing platform for leading brands, designed to optimize message performance through 1:1 SMS and email interactions. Infusing intelligence at every stage of the consumer's purchasing journey, Attentive empowers businesses to achieve hyper-personalized communication with their customers on a large scale. Leveraging AI-powered tools, a mobile-first approach, two-way conversations, and enterprise-grade technology, Attentive drives billions in online revenue for brands around the globe. Trusted by over 8,000 leading brands such as CB2, GUESS, Urban Outfitters, and Pura Vida, Attentive is the go-to solution for delivering powerful commerce experiences for consumers with the brands they love. Attentive's growth has been recognized by Deloitte's Fast 500, Linkedin's Top Startups and Forbes Cloud 100 all thanks to the hard work from our global employees! Who we are Our engineering department consists of 200+ people across multiple teams, such as application development, infrastructure, data platform, machine learning, and security. We believe our company will win in the long run through product innovation. To get there, we obsess over iteratively delivering customer value through rapid prototyping and data-driven decision-making. We're looking for a self-motivated, highly driven Senior Software Engineer to bolster our Data Lake Platform team. Our team is focused on building the data platform to support data driven products and strategic outcomes for our customers. We do this by providing an extensible and flexible compute platform to access highly available, mission critical data sets. Why Attentive needs you <ul> <ul><li>You are constantly improving the quality of the project you are working on, both via code contributions as well as long-term advocacy for larger-scale changes </li><li>Build amazing consumer experiences, taking responsibility for code quality, scalability, reliability and performance </li><li>You understand how to partner with Product Management and Design to meet the user's needs without sacrificing quality or accruing tech debt </li><li>Design and build a self-service data platform that powers Attentive's AI, ML, and analytics needs </li><li>Implement best practices and standards for managing high volume of data </li><li>Work closely with engineering teams across Attentive, enabling them to experiment quickly and build new data products </li><li>Design, develop, and maintain high-throughput, low-latency ETL pipelines </li></ul> </ul>About you <ul> <ul><li>You have at least 5 years of development experience with either Java, Python or Go </li><li>You have development experience with data stores such as Snowflake, Google BigQuery, Databricks Lakehouse, AWS Athena, Apache Trino, or Presto </li><li>You have development experience with open source data processing technologies, such as Apache Flink, Spark, or Airflow </li><li>You've experience with open source data storage formats such as Apache Iceberg, Parquet, Arrow, or Hudi </li><li>You are knowledgeable about data modeling, data access, and data replication techniques, such as CDC. </li> <li>You have a proven track record of architecting applications at scale and maintaining infrastructure as code via Terraform </li><li>You are excited by new technologies but are conscious of choosing them for the right reasons </li></ul> </ul>Our scale <ul> <ul><li>8,000 brands powered by Attentive sent over 2.2 billion text messages over Cyber Week 2023 (Black Friday/Cyber Monday) representing a growth of 31% from 2022 </li><li>We sent 32 billion SMS messages in 2023, up 32% YoY. That's an average of 87 million per day </li><li>Our production cluster contains over 18,000 containers which serve 200+ services </li><li>Our streaming services process over 80 billion events per month </li></ul> </ul>What we use <ul> <ul><li>We use a wide variety of technology and we're always looking for the best solutions to solve hard problems. </li><li>Our backend is Java / Spring Boot microservices, built with Gradle, coupled with things like DynamoDB, Pulsar, AirFlow, Postgres, Planetscale, and Redis, hosted via AWS. </li><li>Our frontend is built with React and TypeScript, and uses best practices like GraphQL, Storybook, Radix UI, Vite, esbuild, and Playwright </li></ul> </ul> For US based applicants: - The standard base salary range for this position is $160,000 - $225,000 annually + equity + benefits - Our salary ranges are determined by role, level, and location Attentive Company Values Default to Action - Move swiftly and with purpose Be One Unstoppable Team - Rally as each other's champions Champion the Customer - Our success is defined by our customers' success Act Like an Owner - Take responsibility for Attentive's success Learn more about AWAKE, Attentive's collective of employee resource groups. If you do not meet all the requirements listed here, we still encourage you to apply! No job description is perfect, and we may also have another opportunity that closely matches your skills and experience. At Attentive, we know that our Company's strength lies in the diversity of our employees. Attentive is an Equal Opportunity Employer and we welcome applicants from all backgrounds. Our policy is to provide equal employment opportunities for all employees, applicants and covered individuals regardless of protected characteristics. We prioritize and maintain a fair, inclusive and equitable workplace free from discrimination, harassment, and retaliation.

About Attentive: Attentive® is the world's #1 conversational marketing platform, designed to optimize message performance through 1:1 SMS and email interactions. Infusing intelligence at every stage of the consumer's purchasing journey, Attentive empowers businesses to achieve hyper-personalized communication with their customers on a large scale. Leveraging AI-powered tools, a mobile-first approach, two-way conversations, and enterprise-grade technology, Attentive helps drive billions in online revenue for over 8,000 leading brands around the globe. Trusted by CB2, GUESS, Urban Outfitters, Pura Vida, and more, Attentive is the go-to solution for brands looking to deliver powerful commerce experiences to their customers. Attentive's growth has been recognized by Deloitte's Fast 500, Linkedin's Top Startups and Forbes Cloud 100 all thanks to the hard work from our global employees! Who we are: BI at Attentive is a centralized team of engineers and analysts responsible for analyzing large datasets, generating valuable insights, and providing data-driven recommendations to support decision-making. As an Engineering Manager on the BI Engineering team, you will lead a team of high performing engineers to support the organization's data warehouse, metrics, and reporting needs. You'll help build and shape the backbone for analytics needs across the organization. You'll partner with Analysts, Data & ML Engineers, as well as other internal teams to define and shape self-service analytics and a data-driven organization. You'll also support the relationship between the BI/Analytics teams and Engineering as we build out a world-class data warehouse for our business and clients. Why Attentive needs you: • Build cross functional partnerships with data producers & consumers. Guide and influence peer teams to adopt best practices when & where needed. • Partner with leaders across the team to understand needs to support strategy planning, new initiatives, and ongoing operations. Own ideation and execution of data-driven solutions. • Oversee a high performing team to meet BI Engineering needs across the organization. Determine roles and responsibilities. Coach team members to higher levels of performance and execution. Manage high priority, fast moving projects with multiple stakeholders. • Deliver trusted, timely, cost efficient, & performant datasets & instrumentation answering critical business needs. • Keep abreast of emerging technologies, best practices, and industry trends in data engineering and software development. Who You are: • 7+ years in business intelligence/data engineering roles supporting multiple stakeholders. • Experience managing and coaching 3+ direct reports for growth and success in a fast paced environment. • Exceptional written and oral communication skills. Experience building presentations and presenting findings to executive audienceExperience using, writing and optimizing SQL queries in a business environment. • Strong working knowledge of data engineering best practices & data warehousing concepts. • You are an effective people manager, who can manage high-performing teams, and helps them reach their highest potential. • You have an inherent curiosity and analytic follow-through; you can't help but ask "why?" and love using data and logic to explore potential solutions. Our Environment: • We have access to Python, Snowflake, SQL, DBT • Our data visualization tool is Looker • Our product backend is Java and Python microservices coupled with Spark, Kinesis, Airflow, Snowflake, and Postgres, all hosted on AWS • Our team supports stakeholders from Client Strategy, Product Management, Sales, Marketing, Finance, Engineering, Designers and the Leadership Team • We believe our company will win in the long run through product innovation and data-driven decision-making You'll get competitive perks and benefits from health & wellness to equity, to help you bring your best self to work. For US based applicants: - The standard base salary range for this position is $180,000 - $260,000 annually + equity + benefits - Our salary ranges are determined by role, level, and location #LI-FZ1 Attentive Company Values Default to Action - Move swiftly and with purpose Be One Unstoppable Team - Rally as each other's champions Champion the Customer - Our success is defined by our customers' success Act Like an Owner - Take responsibility for Attentive's success Learn more about AWAKE, Attentive's collective of employee resource groups. If you do not meet all the requirements listed here, we still encourage you to apply! No job description is perfect, and we may also have another opportunity that closely matches your skills and experience. At Attentive, we know that our Company's strength lies in the diversity of our employees. Attentive is an Equal Opportunity Employer and we welcome applicants from all backgrounds. Our policy is to provide equal employment opportunities for all employees, applicants and covered individuals regardless of protected characteristics. We prioritize and maintain a fair, inclusive and equitable workplace free from discrimination, harassment, and retaliation.

<div>Who we areOur engineering department consists of 200+ people across multiple teams, such as application development, infrastructure, data platform, machine learning, and security. We believe our company will win in the long run through product innovation. To get there, we obsess over iteratively delivering customer value through rapid prototyping and data-driven decision-making.We are seeking a self-driven and highly motivated Machine Learning Engineer to join our growing machine learning teams. As an early hire, you will contribute to the development of machine learning models and infrastructure needs across the Attentive platform and work with Product Management and Engineering to implement end-to-end modeling use cases.<h3>Why Attentive needs you</h3><ul><li>You have a proven track record of building systems that maintain a high bar of quality.</li><li>You deeply loathe regressions and take proactive steps to protect against them through a variety of testing techniques.</li><li>You are a collaborator, technical leader, and a great communicator.</li><li>You are constantly improving the quality of the project you are working on, both via direct contributions as well as long-term advocacy for larger-scale changes.</li><li>You are enthusiastic about the high impact, fast-paced work environment of a late-stage startup.</li></ul><h3>About you</h3><ul><li>You have worked professionally building systems for 3+ years with experience on a single system long enough to see the consequences of your decisions.</li><li>Experience with TensorFlow/Pytorch, xgboost, pandas, matplotlib, SQL, Spark or similar tools.</li><li>You have proficiency or experience with Python.</li><li>You have extensive experience using machine learning and data analysis, or similar, to build scalable systems and data-driven products, working with cross-functional teams.</li><li>You have a proven track record of building scalable, efficient, automated processes for large-scale data analyses, model development, model validation, and model implementation from modern research.</li></ul><h3>Our scale</h3><ul><li>8,000 brands powered by Attentive sent over 2.2 billion text messages over Cyber Week 2023 (Black Friday/Cyber Monday) representing a growth of 31% from 2022.</li><li>We sent 32 billion SMS messages in 2023, up 32% YoY. That’s an average of 87 million per day.</li><li>Our production cluster contains over 18,000 containers which serve 200+ services.</li><li>Our streaming services process over 80 billion events per month.</li></ul><h3>What we use</h3><ul><li>Our infrastructure runs primarily in Kubernetes hosted in AWS’s EKS. Infrastructure tooling includes Istio, Datadog, Terraform, CloudFlare, and Helm.</li><li>Our backend is Java / Spring Boot microservices, built with Gradle, coupled with things like DynamoDB, Kinesis, AirFlow, Postgres, Planetscale, and Redis, hosted via AWS.</li><li>Our frontend is built with React and TypeScript, and uses best practices like GraphQL, Storybook, Radix UI, Vite, esbuild, and Playwright.</li><li>Our automation is driven by custom and open source machine learning models, lots of data and built with Python, Metaflow, HuggingFace, PyTorch, TensorFlow, and Pandas.</li></ul>You'll get competitive perks and benefits, from health & wellness to equity, to help you bring your best self to work.For US based applicants:- The US base salary range for this full-time position is $200,000 to $260,000 annually + equity + benefits.- Our salary ranges are determined by role, level and location.</div>
#J-18808-Ljbffr

Attentive Interview Questions

Attentive Interview Guides

Attentive Interview Questions

Attentive Salaries by Position

Attentive Opening Jobs