Senior Software Engineer, Wallet Commerce; WPC)

Cupertino, California, United States Software and Services

Imagine what you could do here. At Apple, great ideas have a way of becoming phenomenal products, services, and customer experiences very quickly. The Wallet, Payments & Commerce (WPC) team is building the world's best software for paying and interacting with the world, from Apple Pay, transit, and event tickets, to digital keys and identity. We are looking for experienced engineers who are passionate about their craft, crave the challenge of architecting systems at scale, and thrive on owning hard technical problems at global scale.

If you love solving meaningful problems that impact millions of people and defining the technical direction of critical services, we want to hear from you.

You will have the opportunity to lead the intricate challenge of building resilient and reliable distributed software systems at Apple's scale. You will be given the flexibility to drive creative solutions, the support of a talented and driven team, and access to diverse technologies. You will have the autonomy and responsibility to take full ownership of your solutions. You will join a team that owns every stage of the product and software development lifecycle, from architecture through production operations, and will design, build, test, deliver, and maintain exceptional software that truly makes a difference.

In this fast-paced environment, you will be hands‑on in all phases and will actively shape the architecture and design of our platforms and offerings through deep experience in operating, monitoring, and providing on‑call support for the software you build. As a senior member of the team, you will drive technical discussions, write specifications, mentor peers, review code, and produce impactful documentation.

Success in this role requires strong self‑motivation, clear and crisp communication, a highly collaborative approach, and the ability to work effectively across teams and disciplines to define and influence engineering strategy.

• Architect, build, and maintain mission‑critical distributed systems at large scale with resilience, failover, and self‑healing as core design principles
• Drive technical discussions and define engineering strategy across teams and disciplines
• Write technical specifications and produce impactful documentation to drive consensus on complex concepts
• Mentor peers and review code to uphold engineering excellence and continuous improvement
• Design and operate high‑volume REST and/or gRPC services, supporting both server‑to‑server and mobile client‑facing use cases
• Provide on‑call support and actively contribute to monitoring and observability strategies for the software you build
• Collaborate with global teams and external partners, communicating clearly and thoughtfully to influence technical direction
• Lead complex projects end‑to‑end from conception through production deployment

• Extensive experience architecting, building, and maintaining mission‑critical distributed systems at large scale
• Deep understanding of distributed systems fundamentals and trade‑offs in consistency, latency, and throughput
• A commitment to engineering excellence, continuous improvement, and the curiosity to evaluate and advocate for new technologies and patterns
• Ability to communicate thoughtfully and clearly, both verbally and in writing, to drive consensus on complex technical concepts with diverse audiences, including global teams and external partners
• A track record of building and sustaining healthy long‑term relationships and technical influence within your team and beyond its boundaries
• The tenacity and perseverance to lead complex…