Senior Staff Engineer – Backend (Python)

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:

What you need to know about this role-


Meet Our Team

As a Senior Staff Engineer - Backend, you'll be a technical leader, driving architectural vision and innovation. You'll mentor and develop high-performing engineering teams.

PayPal is transforming global commerce. Our Engineering team is the heart of this transformation. We’re building innovative solutions that delight customers and drive business growth.  Join our dynamic engineering team at PayPal, where you’ll have the opportunity to collaborate with talented peers and work on high-impact projects in an agile environment. We're not just building systems; we're creating scalable, high-performance solutions that make a real difference in global commerce.  We prioritize code quality, customer focus, and rapid iteration. Our engineers work closely with design, product, and QA teams to deliver world-class experiences.

Job Description:

Your way to impact
At PayPal, Backend Software Engineers are the architects of our global payment platform. You'll design, develop, and optimize core systems that power millions of transactions daily, directly impacting our customers' experiences and our company's success.

Your day-to-day

• Define and execute the long-term backend architecture.
• Mentor and develop senior engineering talent.
• Drive digital transformation initiatives.
• Perform high quality software analysis, design, development, testing and maintenance

What do you need to bring:

• Bachelor's degree in Computer Science or related field.
• 10+ years of backend development experience.
• Proficiency in at least one backend language (Java, Python, Ruby on Rails)
• Experience developing data-driven applications using an industry standard RDBMS (Oracle, DB2, SQL Server, MySQL, etc.), including strong data architecture and SQL development skills
• Architectural leadership in defining and evolving backend systems at scale, with a focus on long-term technical vision and strategic initiatives.
• Expertise in architecting and developing large-scale backend systems using Python, with extensive experience in Django, or Flask.
• Proven experience in leading large-scale, multi-year engineering projects, from ideation to delivery.
• Expertise in designing and implementing enterprise-grade solutions that address complex business challenges, with a focus on scalability, reliability, and security.
• Ability to influence and drive engineering excellence across the organization, setting standards