Staff/Sr. Software Developer - Java - Messaging Orchestration for Apple iCloud, Apple Music

The role is in Apple Services Engineering (ASE) in London. ASE is the team behind high-profile services such as Apple iCloud, Apple Music, Apple TV, Apple Arcade and more. We are seeking an accomplished senior software engineer to architect and build the software for our customer engagement platform, powering message orchestration across Apple Services at global scale.

The ASE Customer Engagement engineering team is responsible for building the platform that enables communicating with millions of customers every day, across services such as Apple iCloud, Apple Music, Apple TV, Apple Arcade, Apple News+, Apple Fitness+, Apple Wallet and more.

In this team, you will be responsible for designing, building, improving and maintaining server-side applications that process requests at phenomenal scale, with low latency and high availability. These applications transform and optimise self-service configurations (including campaigns and signals) maintained by operations teams using tooling for runtime execution. At runtime, they orchestrate customer messaging to millions of users with sophisticated targeting, personalisation and A/B testing across Apple Services.

Responsibilities

• Working with our Product and Design teams defining what we’re building, investigating technical feasibility, breaking down the work and leading its delivery.
• Championing the adoption of new technologies and best engineering practices, including effective and responsible use of GenAI and agents.
• Working with our QA and SRE teams to establish reliability and quality goals.
• Anticipating, architecting and coding to cater for our highly-distributed mass-scale Apple ecosystem.
• Frequently collaborating with multiple partner engineering teams and consumers of our platform.
• Representing our team in meetings and driving consensus across participants.
• Creating reusability across our features and our engineering stack e.g. utilising standard libraries and contributing to their development.
• Creating technical design documents and driving consensus across stakeholders.
• Identifying and implementing opportunities to leverage AI/ML capabilities in our customer engagement platform to improve personalisation and messaging effectiveness.

Minimum Qualifications

• Undergraduate degree related to computing or equivalent professional experience.
• Strong Java programming expertise is required.
• Experience designing and building loosely coupled and eventually consistent distributed systems.
• History of driving the architecture and adoption of reusable platform capabilities and shared services used by multiple teams.
• Proven experience designing and building production-grade APIs using microservices written in Java.
• Communicating effectively, both written and verbal, with technical and non-technical cross-functional teams.

Preferred Qualifications

• Demonstrated experience integrating AI agents into software development workflows to improve code quality, facilitate debugging, enhance code reviews, and maintain comprehensive documentation.
• Expert at writing clean, high-performance, and maintainable code in Java.
• Proficient at using test-driven development to empower CI/CD workflows.
• Strong knowledge of data structures, concurrency patterns, and software design principles.
• Track record of technically leading software development projects across multiple teams.
• Experience making critical architectural decisions that have long-term impact on product success, scalability and reliability.
• Background working with high-scale, low-latency distributed systems serving millions of users.

At Apple, we’re not all the same. And that’s our greatest strength. We draw on the differences in who we are, what we’ve experienced and how we think. Because to create products that serve everyone, we believe in including everyone. Therefore, we are committed to treating all applicants fairly and equally. As a registered Disability Confident employer, we will work with applicants to make any reasonable accommodations. Apple will consider for employment all qualified applicants with criminal backgrounds in a manner consistent with applicable law.