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Braintree Interview Questions

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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

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

Braintree Salaries by Position

The Company
PayPal has been revolutionizing commerce globally for more than 25 years. Creating innovative experiences that make moving money, selling, and shopping simple, personalized, and secure, PayPal empowers consumers and businesses in approximately 200 markets to join and thrive in the global economy.
We operate a global, two-sided network at scale that connects hundreds of millions of merchants and consumers. We help merchants and consumers connect, transact, and complete payments, whether they are online or in person. PayPal is more than a connection to third-party payment networks. We provide proprietary payment solutions accepted by merchants that enable the completion of payments on our platform on behalf of our customers.
We offer our customers the flexibility to use their accounts to purchase and receive payments for goods and services, as well as the ability to transfer and withdraw funds. We enable consumers to exchange funds more safely with merchants using a variety of funding sources, which may include a bank account, a PayPal or Venmo account balance, PayPal and Venmo branded credit products, a credit card, a debit card, certain cryptocurrencies, or other stored value products such as gift cards, and eligible credit card rewards. Our PayPal, Venmo, and Xoom products also make it safer and simpler for friends and family to transfer funds to each other. We offer merchants an end-to-end payments solution that provides authorization and settlement capabilities, as well as instant access to funds and payouts. We also help merchants connect with their customers, process exchanges and returns, and manage risk. We enable consumers to engage in cross-border shopping and merchants to extend their global reach while reducing the complexity and friction involved in enabling cross-border trade.
Our beliefs are the foundation for how we conduct business every day. We live each day guided by our core values of Inclusion, Innovation, Collaboration, and Wellness. Together, our values ensure that we work together as one global team with our customers at the center of everything we do – and they push us to ensure we take care of ourselves, each other, and our communities.
Job Description Summary:
The DevEx team is looking for a Senior Engineer to design, develop and enhance tools and services based on AI technologies including Generative AI, Prompt Engineering and model training etc. This will significantly aid to improve PayPal’s product discovery. You will develop innovative tools with the help of latest AI technologies and models. This will enhance the overall usage & understanding for merchants and developers alike.
Job Description:
What you need to know about the role:
The DevEx team is looking for a Staff Engineer to design, develop and enhance tools and services based on AI technologies including Generative AI, Prompt Engineering and model training etc. This will significantly aid to improve PayPal’s product discovery. You will champion innovative tools developed with the help of latest AI technologies and models. This will enhance the overall usage & understanding for merchants and developers alike. This is a highly visible and impactful role.
Meet our team:
The PayPal Developer Experience Engineering Team is at the forefront of building innovative tools and solutions with the help of Gen AI to increase business and developer productivity and growth. We are re-envisioning our user’s interactions with PayPal products to make it a seamless and delightful experience with the help of latest tools, technologies and experiences to make the integration journey for our merchants simple, fast and effective. We are building new capabilities in the DevEx space powered by AI such as AI based code generation for our merchants, AI based searches and AI based chatbot support.
Your way to impact:
The PayPal Developer Experience Engineering Team is looking for an experienced software engineer with strong passion for learning and innovation. We are looking for candidates with Gen AI and prompt engineering skills including vector databases, RAG systems and Gen AI models. Someone with solid backend work experience who equally likes researching, exploring and evaluating new tools & techniques by transforming product ideas into quick POCs as well as driving development of actual solutions based on given product and business requirements.
Your day to day:
Design, develop, and maintain highly scalable, performant and robust applications using frameworks like Java, Spring Boot, GoLang etc.
Drive innovation by researching and incorporating various Conversational AI, Gen AI & machine learning techniques, tools, and frameworks for building world class software solutions.
Drive incremental improvements for achieving impactful, optimized search results by researching & implementing search result optimization methodologies - We currently use Algolia for Search.
Participate in architectural discussions, code reviews, pair programming sessions and lead by example.
Collaborate with cross-functional teams to define product requirements and build optimal software solutions.
What do you need to bring:
8+ years of experience with backend development, preferably using Java.
Familiarity with server-side JavaScript, node.js, express.js.
Strong working background and experience with Search implementations like Algolia, Vector Search etc.
Experience building and configuring AI assistant, chatbot or similar user facing AI based product solutions.
Experience working with various proprietary and open-source language models.
Experience with RAG systems, using embedding models and experience/understanding of abstraction models like langchain, Llama index etc.
Additional Job Description:
We know the confidence gap and imposter syndrome can get in the way of meeting spectacular candidates. Please don't hesitate to apply.
PayPal is committed to fair and equitable compensation practices. Actual compensation is based on various factors including but not limited to work location, and relevant skills and experience. The total compensation for this position may include an annual performance bonus (or other incentive compensation, as applicable), equity, and medical, dental, vision, and other benefits. For more information, visit https://www.paypalbenefits.com .
The U.S. national annual pay range for this role is $72,700 to $176,000.
Subsidiary:
PayPal
Travel Percent:
0
For the majority of employees, PayPal's balanced hybrid work model offers 3 days in the office for effective in-person collaboration and 2 days at your choice of either the PayPal office or your home workspace, ensuring that you equally have the benefits and conveniences of both locations.
Our Benefits:
At PayPal, we’re committed to building an equitable and inclusive global economy. And we can’t do this without our most important asset—you. That’s why we offer benefits to help you thrive in every stage of life. We champion your financial, physical, and mental health by offering valuable benefits and resources to help you care for the whole you.
We have great benefits including a flexible work environment, employee shares options, health and life insurance and more. To learn more about our benefits please visit https://www.paypalbenefits.com .
Who We Are:
Click Here to learn more about our culture and community.
Commitment to Diversity and Inclusion:
PayPal provides equal employment opportunity (EEO) to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, pregnancy, sexual orientation, gender identity and/or expression, genetic information, marital status, status with regard to public assistance, veteran status, or any other characteristic protected by federal, state, or local law. In addition, PayPal will provide reasonable accommodations for qualified individuals with disabilities. If you are unable to submit an application because of incompatible assistive technology or a disability, please contact us at talentaccommodations@paypal.com .
Belonging at PayPal:
Our employees are central to advancing our mission, and we strive to create an environment where everyone can do their best work with a sense of purpose and belonging. Belonging at PayPal means creating a workplace with a sense of acceptance and security where all employees feel included and valued. We are proud to have a diverse workforce reflective of the merchants, consumers, and communities that we serve, and we continue to take tangible actions to cultivate inclusivity and belonging at PayPal.
Any general requests for consideration of your skills, please Join our Talent Community .
We know the confidence gap and imposter syndrome can get in the way of meeting spectacular candidates. Please don’t hesitate to apply.

#J-18808-Ljbffr

The CompanyPayPal has been revolutionizing commerce globally for more than 25 years. Creating innovative experiences that make moving money, selling, and shopping simple, personalized, and secure, PayPal empowers consumers and businesses in approximately 200 markets to join and thrive in the global economy.We operate a global, two-sided network at scale that connects hundreds of millions of merchants and consumers. We help merchants and consumers connect, transact, and complete payments, whether they are online or in person. PayPal is more than a connection to third-party payment networks. We provide proprietary payment solutions accepted by merchants that enable the completion of payments on our platform on behalf of our customers.We offer our customers the flexibility to use their accounts to purchase and receive payments for goods and services, as well as the ability to transfer and withdraw funds. We enable consumers to exchange funds more safely with merchants using a variety of funding sources, which may include a bank account, a PayPal or Venmo account balance, PayPal and Venmo branded credit products, a credit card, a debit card, certain cryptocurrencies, or other stored value products such as gift cards, and eligible credit card rewards. Our PayPal, Venmo, and Xoom products also make it safer and simpler for friends and family to transfer funds to each other. We offer merchants an end-to-end payments solution that provides authorization and settlement capabilities, as well as instant access to funds and payouts. We also help merchants connect with their customers, process exchanges and returns, and manage risk. We enable consumers to engage in cross-border shopping and merchants to extend their global reach while reducing the complexity and friction involved in enabling cross-border trade.Our beliefs are the foundation for how we conduct business every day. We live each day guided by our core values of Inclusion, Innovation, Collaboration, and Wellness. Together, our values ensure that we work together as one global team with our customers at the center of everything we do – and they push us to ensure we take care of ourselves, each other, and our communities.Job Description Summary:As a Senior Product Growth Manager focused on the merchant account experience, you'll be at the forefront of driving product adoption within the merchant ecosystem. You'll work closely with cross-functional teams to develop and execute innovative growth strategies that delight our merchants and accelerate their growth.Responsibilities<ol><li>Ignite merchant growth: Develop and execute growth strategies that drive merchant engagement and retention in the merchant account experience.</li><li>Unlock merchant insights: Use A/B Testing, market research, usability studies, and competitive analysis to drive roadmap decisions and prioritization. Conduct deep dives into data to uncover hidden opportunities and optimize product experiences.</li><li>Collaborate with passion: Partner with cross-functional teams to bring your growth vision to life and deliver exceptional results for merchants. Engage closely with engineering and architecture to help determine the best technical implementation while balancing time-to-market needs.</li><li>Measure and iterate: Continuously track and analyze merchant performance, identifying areas for improvement and making data-driven decisions to fuel growth.</li></ol>Qualifications<ol><li>7+ years of experience in product management in technology company, with a focus on the merchant or B2B space.</li><li>Proven track record of driving significant growth in merchant-facing products through user experience optimization.</li><li>Strong understanding of merchant acquisition, engagement, and retention strategies.</li><li>Outstanding analytical skills, specifically in using funnel tracking and BI tools to drill down on insights and create solutions on data-driven hypotheses.</li><li>History of leading and executing in fast-paced, high-growth, uncertain environments.</li><li>Excellent communication and collaboration skills.</li><li>Deep attention to detail and passion to create delightful customer experiences.</li><li>Minimum of a BS/BA is required, MBA or MS preferred.</li></ol>Additional Job Description:Subsidiary: PayPalTravel Percent: 0PayPal is committed to fair and equitable compensation practices. Actual Compensation is based on various factors including but not limited to work location, and relevant skills and experience. The total compensation for this practice may include an annual performance bonus (or other incentive compensation, as applicable), equity, and medical, dental, vision, and other benefits.The U.S. national annual pay range for this role is $96900 to $234300.For the majority of employees, PayPal's balanced hybrid work model offers 3 days in the office for effective in-person collaboration and 2 days at your choice of either the PayPal office or your home workspace, ensuring that you equally have the benefits and conveniences of both locations.Our Benefits: At PayPal, we’re committed to building an equitable and inclusive global economy. And we can’t do this without our most important asset—you. That’s why we offer benefits to help you thrive in every stage of life. We champion your financial, physical, and mental health by offering valuable benefits and resources to help you care for the whole you.We have great benefits including a flexible work environment, employee shares options, health and life insurance and more.Who We Are: <a href="#">Click Here</a> to learn more about our culture and community.Commitment to Diversity and InclusionPayPal provides equal employment opportunity (EEO) to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, pregnancy, sexual orientation, gender identity and/or expression, genetic information, marital status, status with regard to public assistance, veteran status, or any other characteristic protected by federal, state, or local law. In addition, PayPal will provide reasonable accommodations for qualified individuals with disabilities.Belonging at PayPal: Our employees are central to advancing our mission, and we strive to create an environment where everyone can do their best work with a sense of purpose and belonging.
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Braintree Interview Questions

Braintree Interview Guides

Braintree Interview Questions

Braintree Salaries by Position

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