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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?

Adyen Salaries by Position

This is Adyen Adyen provides payments, data, and financial products in a single solution for customers like Meta, Uber, H&M, and Microsoft - making us the financial technology platform of choice. At Adyen, everything we do is engineered for ambition. For our teams, we create an environment with opportunities for our people to succeed, backed by the culture and support to ensure they are enabled to truly own their careers. We are motivated individuals who tackle unique technical challenges at scale and solve them as a team. Together, we deliver innovative and ethical solutions that help businesses achieve their ambitions faster. Senior Android Software Engineer Adyen is looking for a full-time Senior Android Software Engineer to help us conquer the world of mobile payments. Adyen is the payments platform of choice for many of the world's leading companies, providing a modern end-to-end infrastructure connecting directly to Visa, Mastercard, and consumers' globally preferred payment methods. Adyen delivers frictionless payments across online, mobile, and in-store channels. With offices across the world, Adyen serves customers including Facebook, Uber, Spotify, Casper, Bonobos and L'Oreal. You'll be working in a new and motivated team with room to start new initiatives and take ownership. Besides having an open and entrepreneurial mindset, we expect you to be experienced in Android, both from an implementation and architectural point of view. Join us on the journey of reimagining the way people pay on mobile and take part in revolutionizing the payment industry! Who you are <ul><li>A motivated, enthusiastic team player: collaborate with other engineers, product designers, and business stakeholders</li><li>Able to provide reliable and clearly understandable code</li><li>Willing to learn and improve</li><li>Flexible, open to new ideas</li><li>Have a keen eye for detail</li><li>Able to identify and resolve issues over a full stack environment</li><li>Proactive in bringing great ideas to improve our solution</li><li>Enthusiastic to investigate new technical possibilities, yet able to work within existing frameworks</li><li>Self-disciplined and enjoy working at a fast pace while managing and prioritizing goals</li></ul> Required technical qualifications: <ul><li>A minimum of 3 years of experience writing code in Kotlin</li><li>A minimum of 5 years of experience building software for the Android platform</li><li>Excellent verbal and written communication skills in English</li></ul> Nice to have technical qualifications: <ul><li>Experience with building libraries used by other engineers</li><li>Knowledge about security best practices and standards</li><li>Experience working with Bluetooth-connected devices</li><li>Hilt, Coroutines, and Flow</li></ul> Our Diversity, Equity and Inclusion commitments Our unique approach is a product of our diverse perspectives. This diversity of backgrounds and cultures is essential in helping us maintain our momentum. Our business and technical challenges are unique, and we need as many different voices as possible to join us in solving them - voices like yours. No matter who you are or where you're from, we welcome you to be your true self at Adyen. Studies show that women and members of underrepresented communities apply for jobs only if they meet 100% of the qualifications. Does this sound like you? If so, Adyen encourages you to reconsider and apply. We look forward to your application! What's next? Ensuring a smooth and enjoyable candidate experience is critical for us. We aim to get back to you regarding your application within 5 business days. Our interview process tends to take about 4 weeks to complete, but may fluctuate depending on the role. Learn more about our hiring process here. Don't be afraid to let us know if you need more flexibility. Adyen is an equal opportunity employer. We do not discriminate based on race, color, ethnicity, ancestry, national origin, religion, sex, gender, gender identity, gender expression, sexual orientation, age, disability, veteran status, genetic information, marital status or any legally protected status. All your information will be kept confidential according to EEO guidelines. This role is based out of our Chicago office. We have a hybrid workplace and value in-person collaboration; we do not offer remote-only roles.

This is Adyen Adyen provides payments, data, and financial products in a single solution for customers like Meta, Uber, H&M, and Microsoft - making us the financial technology platform of choice. At Adyen, everything we do is engineered for ambition. For our teams, we create an environment with opportunities for our people to succeed, backed by the culture and support to ensure they are enabled to truly own their careers. We are motivated individuals who tackle unique technical challenges at scale and solve them as a team. Together, we deliver innovative and ethical solutions that help businesses achieve their ambitions faster. Why you should join the Adyen GenAI team Are you ready to harness the power of GenAI to revolutionize our internal processes and delight our merchants? If so, join our team where you will have the opportunity to collaborate with ambitious data scientists and engineers to design, develop, and deploy GenAI solutions that push the boundaries of what is possible. If you're passionate about building responsible GenAI applications that make a lasting, global impact, we want to talk to you! Sounds exciting? Keep reading! What You'll Do <ul><li>Be the Voice of the Customer. Collaborate with customers to work backwards from their problems, analyze input and output metrics, author product requirements documents, and iterate on product decisions with design and engineering teams</li><li>Develop and Deliver Product Vision and Strategy. Create and communicate a compelling GenAI product vision and strategy, ensuring alignment with overall business objectives and customer needs</li><li>Think and Work Globally. Be flexible to work across time zones with our engineering teams in Amsterdam and Madrid to build products that scale globally. Be a Subject Matter Expert. Combine your industry knowledge with an understanding of our internal data to create novel strategies and test hypotheses</li></ul> Who You Are <ul><li>You have an entrepreneurial mindset and have demonstrated success with building zero-to-one products</li><li>Proven product experience (6-8 years) in an agile environment where you value launching products fast and iterating</li><li>You are a team player who enjoys working with a global team across different offices, time zones (especially Amsterdam and Madrid), roles, and cultures</li><li>You are an excellent communicator who can break down complex processes to simple deliverables</li><li>You have the ability to inspire engineers and designers to deliver responsible GenAI applications</li><li>You are comfortable working in a technical environment and evaluating the nuances of GenAI models and services</li></ul> Our Diversity, Equity and Inclusion commitments Our unique approach is a product of our diverse perspectives. This diversity of backgrounds and cultures is essential in helping us maintain our momentum. Our business and technical challenges are unique, and we need as many different voices as possible to join us in solving them - voices like yours. No matter who you are or where you're from, we welcome you to be your true self at Adyen. Studies show that women and members of underrepresented communities apply for jobs only if they meet 100% of the qualifications. Does this sound like you? If so, Adyen encourages you to reconsider and apply. We look forward to your application! What's next? Ensuring a smooth and enjoyable candidate experience is critical for us. We aim to get back to you regarding your application within 5 business days. Our interview process tends to take about 4 weeks to complete, but may fluctuate depending on the role. Learn more about our hiring process here. Don't be afraid to let us know if you need more flexibility. Adyen is an equal opportunity employer. We do not discriminate based on race, color, ethnicity, ancestry, national origin, religion, sex, gender, gender identity, gender expression, sexual orientation, age, disability, veteran status, genetic information, marital status or any legally protected status. All your information will be kept confidential according to EEO guidelines. This role is based out of our Chicago office. We are an office-first company and value in-person collaboration; we do not offer remote-only roles.

This is Adyen Adyen provides payments, data, and financial products in a single solution for customers like Meta, Uber, H&M, and Microsoft - making us the financial technology platform of choice. At Adyen, everything we do is engineered for ambition. For our teams, we create an environment with opportunities for our people to succeed, backed by the culture and support to ensure they are enabled to truly own their careers. We are motivated individuals who tackle unique technical challenges at scale and solve them as a team. Together, we deliver innovative and ethical solutions that help businesses achieve their ambitions faster. Why you should join the Adyen GenAI team Are you ready to harness the power of GenAI to revolutionize our internal processes and delight our merchants? If so, join our team where you will have the opportunity to collaborate with ambitious data scientists and engineers to design, develop, and deploy GenAI solutions that push the boundaries of what is possible. If you're passionate about building responsible GenAI applications that make a lasting, global impact, we want to talk to you! Sounds exciting? Keep reading! What You'll Do <ul> <li>Be the Voice of the Customer. Collaborate with customers to work backwards from their problems, analyze input and output metrics, author product requirements documents, and iterate on product decisions with design and engineering teams </li><li>Develop and Deliver Product Vision and Strategy. Create and communicate a compelling GenAI product vision and strategy, ensuring alignment with overall business objectives and customer needs </li><li>Think and Work Globally. Be flexible to work across time zones with our engineering teams in Amsterdam and Madrid to build products that scale globally. Be a Subject Matter Expert. Combine your industry knowledge with an understanding of our internal data to create novel strategies and test hypotheses </li></ul>Who You Are <ul> <li>You have an entrepreneurial mindset and have demonstrated success with building zero-to-one products </li><li>Proven product experience (6-8 years) in an agile environment where you value launching products fast and iterating </li><li>You are a team player who enjoys working with a global team across different offices, time zones (especially Amsterdam and Madrid), roles, and cultures </li><li>You are an excellent communicator who can break down complex processes to simple deliverables </li><li>You have the ability to inspire engineers and designers to deliver responsible GenAI applications </li><li>You are comfortable working in a technical environment and evaluating the nuances of GenAI models and services </li></ul> Our Diversity, Equity and Inclusion commitments Our unique approach is a product of our diverse perspectives. This diversity of backgrounds and cultures is essential in helping us maintain our momentum. Our business and technical challenges are unique, and we need as many different voices as possible to join us in solving them - voices like yours. No matter who you are or where you're from, we welcome you to be your true self at Adyen. Studies show that women and members of underrepresented communities apply for jobs only if they meet 100% of the qualifications. Does this sound like you? If so, Adyen encourages you to reconsider and apply. We look forward to your application! What's next? Ensuring a smooth and enjoyable candidate experience is critical for us. We aim to get back to you regarding your application within 5 business days. Our interview process tends to take about 4 weeks to complete, but may fluctuate depending on the role. Learn more about our hiring process here. Don't be afraid to let us know if you need more flexibility. Adyen is an equal opportunity employer. We do not discriminate based on race, color, ethnicity, ancestry, national origin, religion, sex, gender, gender identity, gender expression, sexual orientation, age, disability, veteran status, genetic information, marital status or any legally protected status. All your information will be kept confidential according to EEO guidelines. This role is based out of our Chicago office. We are an office-first company and value in-person collaboration; we do not offer remote-only roles.

Adyen Interview Questions

Adyen Interview Guides

Adyen Interview Questions

Adyen Salaries by Position

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