Sr Software Engineer

PayPal • San Jose, CA

4d • Hybrid

About The 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 Summary: We are looking for a highly skilled and motivated Senior Android Engineer to join our Mobile team. In this role, you will design, build, and maintain high-quality Android applications that are used by hundreds of millions of customers worldwide. You will be a key technical contributor, mentor to junior engineers, and a collaborative partner across product, design, and backend teams. Job Description: Essential Responsibilities: Delivers complete solutions spanning all phases of the Software Development Lifecycle (SDLC) (design, implementation, testing, delivery and operations), based on definitions from more senior roles. Advises immediate management on project-level issues Guides junior engineers Operates with little day-to-day supervision, making technical decisions based on knowledge of internal conventions and industry best practices Applies knowledge of technical best practices in making decisions

Requirements

• 3+ years relevant experience and a Bachelor’s degree OR Any equivalent combination of education and experience.
• Bachelor's or Master's degree in Computer Science, Engineering, or a related technical field, or equivalent practical experience.
• 7+ years of professional software engineering experience, with at least 5 years focused on Android development.
• Strong proficiency in Kotlin; solid working knowledge of Java.
• Deep understanding of Android SDK, Jetpack libraries (ViewModel, LiveData/StateFlow, Room, Navigation, Compose), and Android lifecycle management.
• Hands-on experience with modern Android architectural patterns (MVVM, MVI, Clean Architecture).
• Experience with RESTful API integration, JSON parsing, and handling asynchronous programming using Coroutines and Flow.
• Solid understanding of dependency injection frameworks (Hilt or Dagger).
• Experience writing unit tests, integration tests, and UI tests (JUnit, Espresso, Mockito).
• Familiarity with CI/CD pipelines, version control (Git), and agile development methodologies.
• Strong problem-solving, debugging, and analytical skills.

Nice To Haves

• Experience with Jetpack Compose for building modern, declarative UIs.
• Familiarity with mobile security best practices including secure storage, certificate pinning, and OAuth/PKCE flows.
• Experience in fintech, payments, or other high-security, high-availability mobile domains.
• Contributions to open-source Android projects or published apps on the Google Play Store.
• Experience with A/B testing frameworks and feature flagging tools.
• Knowledge of accessibility standards (WCAG) and building inclusive mobile experiences.
• Experience working with cross-functional teams across multiple time zones.

Responsibilities

• Design, develop, and deliver robust, scalable, and high-performance Android features for PayPal's consumer-facing mobile applications.
• Lead end-to-end feature development from technical design through deployment and monitoring in production.
• Write clean, maintainable, and well-tested Kotlin/Java code adhering to SOLID principles and PayPal engineering standards.
• Collaborate with Product Managers, UX Designers, and backend engineers to translate requirements into elegant technical solutions.
• Conduct thorough code reviews and provide constructive feedback to peers, fostering a culture of quality and continuous improvement.
• Champion best practices in mobile architecture (MVVM, MVI, Clean Architecture) and advocate for performance, security, and accessibility.
• Partner with QA and Release Engineering to ensure smooth CI/CD pipelines and high-quality releases.
• Identify and proactively resolve performance bottlenecks, memory leaks, and stability issues.
• Mentor junior and mid-level engineers through pairing, technical discussions, and documentation.
• Contribute to technical roadmap discussions and influence strategic decisions within your team.

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 comprehensive, choice-based programs, to support all aspects of personal wellbeing—physical, emotional, and financial—delivering meaningful value where it matters most. We strive to create a flexible, balanced work culture with a holistic approach to benefits, including generous paid time off, healthcare coverage for you and your family, and resources to create financial security and support your mental health.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Number of Employees: 5,001-10,000 employees