Prepare for and practice interview questions from Admarketplace.

Admarketplace Interview Questions

Admarketplace Interview Guides

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

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

In an A/B test, how can you check if assignment to the various buckets was truly random?

In an A/B test, which of the following is a common method to determine if the assignment to the test groups was truly random?

In an A/B test, which of the following is a common method to determine if the assignment to the test groups was truly random?

Random Bucketing

Admarketplace Salaries by Position

Who We Are At adMarketplace, our mission is to deliver the most engaging consumer search experiences while empowering advertisers to measure media performance accurately. Today, millions of people worldwide engage with our exclusive, transparent media placements across the internet's leading browsers, shopping apps, and review sites. Our award-winning culture is built around five core values (known as our 5C's): Curiosity, Collaboration, Creative Conflict, Commitment, and Competitiveness. With these guiding values, adMarketplace seeks to empower our team to reach their full potential through continued learning, and the opportunity to do their best work. The Role We seek self-driven and talented engineers to design, develop, and operate high volume, low latency systems powering consumer tech products. The ideal candidate is a passionate technology leader who is motivated to design for massive scale. You will be involved in the entire software development lifecycle, from understanding business value to designing, coding, testing, and supporting the products in production. You love working in an environment where you can influence the technical direction of teams that seek to deliver consistently and iterate quickly. You will benefit from a transparent career advancement trajectory, whether you aspire to excel in management or thrive as an individual contributor. Our intellectually vibrant and dynamic workplace offers ample opportunities for both personal and professional development, ensuring your growth journey is both rewarding and fulfilling Responsibilities <ul><li>Act as a technical leader, driving innovation, and contributing to architectural decisions that shape the future direction of our ad technology platform.</li><li>With creativity and innovation, tackle complex technical challenges while creating highly scalable, resilient distributed systems in a consumer-facing environment.</li><li>Collaborate closely with cross-functional teams, including product managers, data scientists, and other engineers, to translate business requirements into robust technical solutions..</li><li>Provide guidance and mentorship to junior engineers, fostering a collaborative team environment for knowledge sharing and skill development.</li><li>Continuously improve the system by researching and implementing the latest technologies and best practices.</li></ul> Basic Qualifications <ul><li>Bachelor's or Master's degree in Computer Science, Engineering, or a related field.</li><li>Minimum of 5 years of strong hands-on development experience using Java (Java 17+ preferred), including expertise with Spring Boot or another dependency injection framework.</li><li>Proven experience in developing and maintaining low latency, high-volume, scalable Microservices.</li><li>Deep understanding of design patterns, and best practices, with a track record of successfully implementing scalable and efficient solutions.</li><li>Strong initiative, ability to drive projects independently, and excellent problem-solving skills.</li><li>Excellent communication and collaboration skills, with full transparency and a strong desire and ability to work effectively in cross-functional teams. </li></ul> Preferred Qualifications <ul><li>Knowledge of key concepts in Ad Tech, such as ad serving, bidding, targeting, and real-time auctions.</li><li>Comfortable with containerization, CI/CD pipelines, AWS, plus messaging technologies such as Kafka and RabbitMQ.</li><li>Experienced with distributed caching technologies such as Redis and Aerospike.</li><li>Familiarity with profiling and tuning JVM based applications, and with performance test frameworks.</li><li>Contributions to open-source projects or active involvement in technical communities</li></ul> *Compensation Range: $170,000 - $220,000 #LI-Onsite #LI-AR1 Join Us adMarketplace has been named as one of the best places to work in New York City by Built In and Crain's- the latter of which have recognized us the past three years straight! AMP is currently experiencing triple digit growth, and it's never been a better time to join our team! We offer a robust continuing education program, management training, regular company-wide lunch and learns, and well-defined career paths to ensure all our employees have an opportunity to grow. At adMarketplace, we play to win, but we learn from our setbacks. Our commitment to a collaborative environment means no one succeeds alone, and no one fails alone either. We know you've come to expect comprehensive healthcare, wellness programs, paid time off, commuter benefits, and 401k matching from any company, so it's a good thing we offer all of that and so much more. adMarketplace offers a dog friendly office, Summer Fridays, catered lunches, a fully stocked kitchen, ZogSports teams, happy hours and corporate retreats to encourage a strong work/life balance. No Third Party Recruiters. We do not accept unsolicited agency resumes and we are not responsible for any fees related to unsolicited resumes. *This range represents the low and high end of the base salary someone in this role may earn as an employee of adMarketplace in the New York office. Salaries will vary based on various factors including but not limited to professional and academic experience; training; associated responsibilities; and other business and organizational needs. The range listed is just one component of our total compensation package for employees. Salary decisions are dependent on the circumstances of each hire.

Who We AreAt adMarketplace, our mission is to deliver the most engaging consumer search experiences while empowering advertisers to measure media performance accurately. Today, millions of people worldwide engage with our exclusive, transparent media placements across the internet's leading browsers, shopping apps, and review sites.Our award-winning culture is built around five core values (known as our 5C's): Curiosity, Collaboration, Creative Conflict, Commitment, and Competitiveness. With these guiding values, adMarketplace seeks to empower our team to reach their full potential through continued learning, and the opportunity to do their best work.The RoleadMarketplace focuses on improving the search journey for consumers through innovative search media solutions. We are looking for a Product Manager II who will be responsible for building products to transform consumers' online search experiences through machine learning and generative AI. You'll work with internal and external stakeholders to address new challenges and drive business outcomes. A successful candidate is curious, creative, passionate about consumer experience, and will be able to make data-driven decisions.What You'll Do* Own the full lifecycle of product development from ideation to market launch to iteration* Analyze data to make informed product decisions on features and prioritization* Define key metrics and monitor a product's success pre and post launch* Create product requirements based on business strategy* Work closely with the engineering and UX teams to deliver a successful solution* Collaborate with stakeholders (internal and external) and the executive team to understand use-cases and validate product strategyQualifications* BA/BS in Data Analytics, Computer Science, Design or comparable discipline* 3-5+ years of product management or related experience* Experience working with cross-functional teams without formal authority* Ability to think strategically and prioritize product requirements* Highly analytical; able to make data-informed decisions* Love tackling complex problems in fast-paced environments and have the grit and creativity to get to a great solution* Passionate about consumer experience and online shopping* Prior experience building Machine Learning / AI powered products is a plus* Compensation Range: $120,000 - $180,000#LI-Onsite#LI-AR1Join UsadMarketplace has been named as one of the best places to work in New York City by Built In and Crain's- the latter of which have recognized us the past three years straight! AMP is currently experiencing triple digit growth, and it's never been a better time to join our team!We offer a robust continuing education program, management training, regular company-wide lunch and learns, and well-defined career paths to ensure all our employees have an opportunity to grow.At adMarketplace, we play to win, but we learn from our setbacks. Our commitment to a collaborative environment means no one succeeds alone, and no one fails alone either.We know you've come to expect comprehensive healthcare, wellness programs, paid time off, commuter benefits, and 401k matching from any company, so it's a good thing we offer all of that and so much more. adMarketplace offers a dog friendly office, Summer Fridays, catered lunches, a fully stocked kitchen, ZogSports teams, happy hours and corporate retreats to encourage a strong work/life balance.No Third Party Recruiters. We do not accept unsolicited agency resumes and we are not responsible for any fees related to unsolicited resumes.* This range represents the low and high end of the base salary someone in this role may earn as an employee of adMarketplace in the New York office. Salaries will vary based on various factors including but not limited to professional and academic experience; training; associated responsibilities; and other business and organizational needs. The range listed is just one component of our total compensation package for employees. Salary decisions are dependent on the circumstances of each hire.

Who We Are At adMarketplace, our mission is to deliver the most engaging consumer search experiences while empowering advertisers to measure media performance accurately. Today, millions of people worldwide engage with our exclusive, transparent media placements across the internet's leading browsers, shopping apps, and review sites. Our award-winning culture is built around five core values (known as our 5C's): Curiosity, Collaboration, Creative Conflict, Commitment, and Competitiveness. With these guiding values, adMarketplace seeks to empower our team to reach their full potential through continued learning, and the opportunity to do their best work. The Role adMarketplace focuses on improving the search journey for consumers through innovative search media solutions. We are looking for a Product Manager II who will work on B2B Enterprise applications. The ideal candidate will have demonstrable abilities in written communication. You'll work with internal and external stakeholders to address new challenges and drive business outcomes. A successful candidate is curious, creative, passionate about consumer experience, and will be able to make data-driven decisions. What You'll Do <ul><li>Own the full lifecycle of product development from ideation to market launch to iteration</li><li>Analyze data to make informed product decisions on features and prioritization</li><li>Define key metrics and monitor a product's success pre and post launch</li><li>Create product requirements based on business strategy </li><li>Work closely with the engineering and UX teams to deliver a successful solution</li><li>Collaborate with stakeholders (internal and external) and the executive team to understand use-cases and validate product strategy</li></ul> Qualifications <ul><li>BA/BS in Data Analytics, Computer Science, Design or comparable discipline</li><li>3-5+ years of product management or related experience</li><li>Experience working with cross-functional teams without formal authority</li><li>Ability to think strategically and prioritize product requirements</li><li>Highly analytical; able to make data-informed decisions</li><li>Love tackling complex problems in fast-paced environments and have the grit and creativity to get to a great solution</li><li>Passionate about consumer experience and online shopping </li></ul> *Compensation Range: $120,000 - $150,000 #LI-Onsite #LI-AR1 Join Us adMarketplace has been named as one of the best places to work in New York City by Built In and Crain's- the latter of which have recognized us the past three years straight! AMP is currently experiencing triple digit growth, and it's never been a better time to join our team! We offer a robust continuing education program, management training, regular company-wide lunch and learns, and well-defined career paths to ensure all our employees have an opportunity to grow. At adMarketplace, we play to win, but we learn from our setbacks. Our commitment to a collaborative environment means no one succeeds alone, and no one fails alone either. We know you've come to expect comprehensive healthcare, wellness programs, paid time off, commuter benefits, and 401k matching from any company, so it's a good thing we offer all of that and so much more. adMarketplace offers a dog friendly office, Summer Fridays, catered lunches, a fully stocked kitchen, ZogSports teams, happy hours and corporate retreats to encourage a strong work/life balance. No Third Party Recruiters. We do not accept unsolicited agency resumes and we are not responsible for any fees related to unsolicited resumes. *This range represents the low and high end of the base salary someone in this role may earn as an employee of adMarketplace in the New York office. Salaries will vary based on various factors including but not limited to professional and academic experience; training; associated responsibilities; and other business and organizational needs. The range listed is just one component of our total compensation package for employees. Salary decisions are dependent on the circumstances of each hire.

Who We Are At adMarketplace, our mission is to deliver the most engaging consumer search experiences while empowering advertisers to measure media performance accurately. Today, millions of people worldwide engage with our exclusive, transparent media placements across the internet's leading browsers, shopping apps, and review sites. Our award-winning culture is built around five core values (known as our 5C's): Curiosity, Collaboration, Creative Conflict, Commitment, and Competitiveness. With these guiding values, adMarketplace seeks to empower our team to reach their full potential through continued learning, and the opportunity to do their best work. The Role At adMarketplace, we create best of breed consumer search technology using cutting-edge architecture with millisecond response time and crunch through terabytes of data every day. The ideal candidate is motivated to design for massive scale and push the boundaries of using real-time data in automated decisions. You will be involved in the entire software development lifecycle, from defining requirements to designing, coding, testing, and supporting the product in production. You will have a clear career progression path and numerous opportunities for both personal and professional growth in an intellectually stimulating and dynamic work environment. Responsibilities <ul><li>Develop and maintain ad-tech related data systems and system components using Python</li><ul><li>Data streaming, processing, and aggregation solutions</li><li>Data-driven applications, ETL/ELT Pipelines</li><li>24/7 low latency large-scale distributed systems</li><li>Cloud migration and containerization projects</li><li>External Integrations for data exchange</li></ul><li>Work with the team for technical implementation of Data Engineering projects including data streaming, data transformation and aggregation pipelines</li><li>Build data pipelines on cloud-based platforms</li><li>Work closely with QA, DevOps, and other engineering teams to integrate, test and release different system components (all stages of SDLC)</li><li>Work closely with business stakeholders and other engineers on understanding and translating business requirements into technical solutions</li></ul> Basic Qualifications <ul><li>BS in Engineering, Computer Science or related discipline</li><li>Must have 5+ years strong hands-on development experience using Python</li><li>Must have experience with big data and streaming technologies like Apache Spark, Apache Kafka and Data Warehouse</li><li>Experience with Cloud Analytics platforms like Databricks/Snowflake</li><li>Experience developing, delivering and maintaining scalable data streaming, ETL processing and aggregation pipelines</li><li>Experience Workflow Management tools like Airflow, Argo Workflows, Azkaban</li><li>Experience with relational SQL and NoSQL databases</li><li>Experience with public cloud AWS/ GCP/ Azure</li><li>Experience working in a Linux environment/ Shell Scripting</li><li>Ability to collaborate with multiple teams and understanding testing and deployment methodologies</li><li>Experience building software in continuous integration and delivery fashion in an automated way</li><li>Excellent documentation, communication, and troubleshooting skills</li></ul> Preferred Qualifications <ul><li>Experience with Java/Scala development</li><li>Databricks experience is a big plus</li><li>Experience with Search Engines like Apache Solr, ElasticSearch</li><li>Agile software development experience.</li><li>Prior experience in the ad tech or e-commerce industry.</li></ul> *Compensation Range: $170,000 - $220,000 #LI-Onsite #LI-TB1 Join Us adMarketplace has been named as one of the best places to work in New York City by Built In and Crain's- the latter of which have recognized us the past three years straight! AMP is currently experiencing triple digit growth, and it's never been a better time to join our team! We offer a robust continuing education program, management training, regular company-wide lunch and learns, and well-defined career paths to ensure all our employees have an opportunity to grow. At adMarketplace, we play to win, but we learn from our setbacks. Our commitment to a collaborative environment means no one succeeds alone, and no one fails alone either. We know you've come to expect comprehensive healthcare, wellness programs, paid time off, commuter benefits, and 401k matching from any company, so it's a good thing we offer all of that and so much more. adMarketplace offers a dog friendly office, Summer Fridays, catered lunches, a fully stocked kitchen, ZogSports teams, happy hours and corporate retreats to encourage a strong work/life balance. No Third Party Recruiters. We do not accept unsolicited agency resumes and we are not responsible for any fees related to unsolicited resumes. *This range represents the low and high end of the base salary someone in this role may earn as an employee of adMarketplace in the New York office. Salaries will vary based on various factors including but not limited to professional and academic experience; training; associated responsibilities; and other business and organizational needs. The range listed is just one component of our total compensation package for employees. Salary decisions are dependent on the circumstances of each hire.

Admarketplace Interview Questions

Admarketplace Interview Guides

Admarketplace Interview Questions

Admarketplace Salaries by Position

Admarketplace Opening Jobs