Prepare for and practice interview questions from Ellation.

Ellation Interview Questions

A/B Testing

Algorithms

Analytics

Machine Learning

Probability

Product Metrics

Python

Statistics

Ellation Interview Guides

<p>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.</p>

<p>What factors could have biased this result, and what would you look into?</p>


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

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?

<p>You are testing hundreds of hypotheses with many <em>t</em>-tests. What considerations should be made?</p>


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

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?

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


<p>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?</p>

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

A/B Testing & Experimentation

<h5>Senior Software Engineer, Partner Engineering </h5><h5>About Crunchyroll </h5><p>Founded by fans, Crunchyroll delivers the art and culture of anime to a passionate community. We super-serve over 100 million anime and manga fans across 200+ countries and territories, and help them connect with the stories and characters they crave. Whether that experience is online or in-person, streaming video, theatrical, games, merchandise, events and more, its powered by the anime content we all love. </p><p>Join our team, and help us shape the future of anime! </p><h5>About the Role </h5><p>Crunchyroll is growing and changing, presenting unique challenges and opportunities to support millions of anime fans around the world. The Partner Engineering team provides seamless help to our partners and internal stakeholders, ensuring an exceptional experience for all Crunchyroll fans. </p><p>As a Partner Engineer, you'll lead deployments, optimize implementations, and handle integrations to build successful, long-term partnerships. You will own technical engagements and be the key driver in finding creative/innovative solutions that lead Crunchyrolls experiences to the next level. </p><p>In this role, you will have the opportunity to lead projects that require close collaboration with other teams like Product, Engineering, Business Development, Program Management, and Marketing. You'll play a key role in improving existing operations, defining and commercializing new solutions, bridging product gaps, automating partner operations, and taking new initiatives from conception to successful deployment. You will lead and develop prototypes and an MVP for testing and deployment of new systems </p><p>As the Senior Software Engineer, you will report to the Senior Director of Partner Engineering. We are considering applicants for Los Angeles, CA, San Francisco, CA, or Dallas, TX. </p><h5>About You </h5><p>We get excited about candidates, like you, because... </p><ul> <li>Bachelor's degree in Computer Science or equivalent practical experience. </li><li>8+ years of experience working with embedded devices, Consumer Electronics manufacturers, SoC providers, and pay TV Operators. </li><li>8+ years of experience in building complex systems in collaboration with partners. </li><li>Strong experience with Client/Server and scalable technologies. </li><li>Ability to speak to both business and technical stakeholders. </li></ul> <h5><b>About the Team</b> </h5><p>The Technology Partnerships team at Crunchyroll plays a pivotal role in enhancing and expanding our users' experiences. We collaborate extensively with a diverse network of device, payment, and gaming partners to broaden the reach of Crunchyroll's offerings. Our primary objective is to drive growth, open up new acquisition channels, and optimize both the scope and quality of our services. Situated at the crossroads of technology and business, we are dedicated to continually enabling experiences that delight our fans. </p><h5>Why you will love working at Crunchyroll </h5><p>In addition to getting to work with fun, passionate and inspired colleagues, you will also enjoy the following benefits and perks: </p><ul> <li>Receive a great compensation package including salary plus performance bonus earning potential, paid annually. </li><li>Flexible time off policies allowing you to take the time you need to be your whole self. </li><li>Generous medical, dental, vision, STD, LTD, and life insurance </li><li>Health Saving Account HSA program </li><li>Health care and dependent care FSA </li><li>401(k) plan, with employer match </li><li>Support program for new parents </li><li>Pet insurance and some of our offices are pet friendly! </li></ul> <h5>Our commitment to diversity and inclusion </h5><p>Our mission of helping people belong reflects our commitment to diversity & inclusion. It's just the way we do business. </p><p>We are an equal opportunity employer and value diversity at Crunchyroll. Pursuant to applicable law, we do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. </p><p>Crunchyroll, LLC is an independently operated joint venture between US-based Sony Pictures Entertainment, and Japan's Aniplex, a subsidiary of Sony Music Entertainment (Japan) Inc., both subsidiaries of Tokyo-based Sony Group Corporation. </p>#J-18808-Ljbffr

<p>Founded by fans, Crunchyroll delivers the art and culture of anime to a passionate community. We serve over 100 million anime and manga fans across 200+ countries and territories, powering experiences across online and in-person events, streaming, cinema, games, merchandise, and more. </p><p>Join our team, and help us shape the future of anime! </p><p><b>Role</b>: Software Engineer III, Frontend on the Acquisition & Checkout Team. You will design and build intuitive and efficient user interfaces to create a seamless acquisition and secure checkout experience for our fans. Working with design, product, quality and data teams, you will solve complex challenges, optimize performance, and enhance user experience, directly contributing to the growth of the Crunchyroll fanbase. You will report to the Engineering Manager of the Acquisition & Checkout Team. Location options: Los Angeles, CA or San Francisco, CA. </p><h5><b>About You</b> </h5><p>Were excited about candidates who: </p><ul> <li>Have 5+ years of experience as a frontend engineer building intuitive user interfaces </li><li>Are experienced deploying code in AWS, Azure, or Google Cloud environments </li><li>Are familiar with the development of full stack applications or backend services </li><li>Know how to refine the checkout experience and identify opportunities for continuous improvement and performance optimizations </li><li> Thrive in an Agile, collaborative environment and contribute to technical solutions loved by our fans </li></ul> <h5><b>About the Team</b> </h5><p>The Acquisition & Checkout Team is a dynamic group focused on delivering a world-class acquisition and checkout experience. We value knowledge sharing, teamwork, and a strong user-focused approach to the Service Monetization Platform. </p><h5><b>Why you will love working at Crunchyroll</b> </h5><p>Benefits and perks include: </p><ul> <li>Competitive compensation with salary plus performance bonus potential </li><li>Flexible time off policies </li><li>Healthcare, dental, vision, disability and life insurance </li><li>Health Savings Account (HSA) and FSA programs </li><li>401(k) with employer match </li><li>Support for new parents </li><li>Pet insurance and pet-friendly offices where available </li></ul> <p>Life at Crunchyroll: #LI-Hybrid </p><h5><b>Salary</b> </h5><p>The pay range for this position is indicative and may vary by location, experience, and performance. Current posted ranges: $170,000 - $185,000 USD or $175,000 - $200,000 USD. </p><h5><b>Our Values</b> </h5><p>We strive to be everything for someone, guided by our values: </p><ul> <li><b>Courage</b>: Overcome fear to unleash our best selves. </li><li><b>Curiosity</b>: Fuel empathy, inclusion, and understanding. </li><li><b>Kaizen</b>: Growth mindset with constant forward progress. </li><li><b>Service</b>: Serve our community with humility, enabling joy and belonging. </li></ul> <h5><b>Our commitment to diversity and inclusion</b> </h5><p>We are an equal opportunity employer and value diversity. We do not discriminate on protected characteristics. Crunchyroll, LLC is an independently operated joint venture between Sony Pictures Entertainment and Aniplex (a Sony Music Entertainment division). </p><p>Please note: Be cautious of scams. Official Crunchyroll roles will be communicated from a @crunchyroll.com email address. </p>#J-18808-Ljbffr

Question	Topic	Difficulty	Ask Chance
Boarding Times Bias	Statistics	Medium	Very High
Hundreds of Hypotheses	Statistics	Medium	Very High
Random Bucketing	A/B Testing & Experimentation	Medium	Very High

Ellation Interview Questions

Ellation Interview Guides

Ellation Interview Questions

Ellation Opening Jobs