Senior Software Engineer - Payments

Apple Apple · Big Tech · London, United Kingdom +1 · Software and Services

Senior Software Engineer role focused on building and maintaining core payment processing services for Apple's global ecosystem. The role involves leading design, driving architectural decisions, and ensuring the reliability and scalability of a cloud-native fintech platform.

What you'd actually do

  1. Lead the design and delivery of core payment processing services, owning components end-to-end from technical specification through to production
  2. Drive architectural decisions and technical discussions, producing clear and well-reasoned design documentation that aligns engineering strategy across teams
  3. Define and contribute to the technical roadmap for key platform components, balancing near-term delivery with long-term platform health
  4. Mentor and support the growth of peers through code review, pairing, and thoughtful technical feedback
  5. Partner closely with Product, Security, and Platform teams across multiple time zones to deliver cohesive, well-integrated solutions

Skills

Required

  • Significant industry experience as a Software Engineer working on large-scale systems
  • Hands-on experience in designing and coding large-scale systems
  • A commitment to engineering excellence, continuous improvement, and the curiosity to evaluate and advocate for new technologies and patterns
  • An 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
  • The commitment and drive to see complex projects through from conception to production

Nice to have

  • Deep hands-on software development expertise with Java or Kotlin and Spring
  • Proven development and operational experience with high-volume REST and/or gRPC services
  • Strong experience designing for containerisation and orchestration (e.g. Docker, Kubernetes)
  • Significant time spent architecting, building, and operating cloud-native (e.g. AWS) applications with resilience, failover, and self-healing as core features
  • Expertise in designing robust CI/CD pipelines and defining infrastructure as code
  • Extensive experience with observability strategies and tools (e.g. Datadog, Prometheus, Grafana, OpenTelemetry, Splunk etc.)
  • A fundamental appreciation for, and understanding of, security, privacy, and cryptography (e.g. PKI, certificate management, JWT)
  • Hands-on experience optimising databases for scale (e.g. Aurora, DynamoDB)
  • Previous experience working in a DevOps environment
  • Familiarity with payments industry standards and compliance requirements (e.g. PCI-DSS, ISO 8583, open banking protocols), or direct experience integrating with card networks, payment service providers, or acquiring banks
  • Experience using generative AI tooling (e.g. Claude Code) to accelerate delivery and maintain code quality
  • BS/MS in Computer Science or equivalent experience

What the JD emphasized

  • high-volume REST and/or gRPC services
  • cloud-native (e.g. AWS) applications with resilience, failover, and self-healing as core features
  • payments industry standards and compliance requirements (e.g. PCI-DSS, ISO 8583, open banking protocols)