{"id":3839644,"url":"https://alion.io/job/apple-sr-software-engineer-customer-systems-3","title":"Sr. Software Engineer, Customer Systems","company":{"id":12,"name":"Apple","domain":"apple.com","url":"https://alion.io/company/apple","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Apple Jobs","truth_index":{"grade":"A","score":89,"open_postings":812,"ghost_share":0,"stale_share":0.222,"repost_share":0.004,"time_to_fill_p50_days":90,"computed_at":"2026-11-07T05:47:08Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Austin, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Dependency Injection","optional":false},{"name":"DNS","optional":false},{"name":"Java","optional":false},{"name":"Spring Boot","optional":false},{"name":"Spring Cloud","optional":false},{"name":"Spring MVC","optional":false},{"name":"Spring Security","optional":false},{"name":"TCP/IP","optional":false},{"name":"Zero Trust","optional":false},{"name":"Claude","optional":true},{"name":"Copilot","optional":true},{"name":"Go","optional":true},{"name":"GraphQL","optional":true},{"name":"gRPC","optional":true},{"name":"Hazelcast","optional":true},{"name":"Memcached","optional":true},{"name":"OpenAI Codex","optional":true},{"name":"Python","optional":true},{"name":"Redis","optional":true},{"name":"Rest API","optional":true},{"name":"Ruby","optional":true},{"name":"Swagger","optional":true}],"status":"live","first_seen_at":"2026-11-05T19:32:49Z","employer_posted_date":"2026-11-05","last_verified_at":"2026-11-07T16:43:49Z","board_verified":true,"closed_at":null,"days_open":1,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":1},"description":"Do you want to help build some of the largest and most consequential enterprise and customer technology systems in the world? Join Apple’s Information Systems and Technology (IS&T) organization.\nIS&T is the engine behind everything Apple does for customers and for the people who build for them. It’s Apple’s central nervous system. Supporting 2.5 billion active Apple devices, processing billions of secure transactions, and keeping the technology that defines modern life running flawlessly, IS&T makes the impossible feel effortless.\nCustomer Systems is part of IS&T and drives the technology behind Apple's customer support experience - from contact center operations to the software powering the iconic Genius Bar. The team also builds and operates AppleCare's online support platform, which handles 6 billion visits per year, delivering seamless, high-quality support to Apple customers around the globe.\nDescription\nCustomer Systems is part of IS&T and drives the technology behind Apple's customer support experience - from contact center operations to the software powering the iconic Genius Bar. The team also builds and operates AppleCare's online support platform, which handles 6 billion visits per year, delivering seamless, high-quality support to Apple customers around the globe. Design and build microservices powering low-latency, high-throughput customer experiences - serving over a million users daily across Apple Support websites, iOS apps, and phone-based frontends.\nMinimum Qualifications\nB.S. in Computer Science, Computer Engineering, or a related technical field, or equivalent professional work experience.\n5+ years proven experience developing software in a professional capacity. Longer experience preferred.\n2+ years proven experience with Java, including proficiency in concurrency, memory management, and performance optimization techniques.\nProficiency in OOP principles, data structures, algorithms, and software design patterns (e.g. GoF), with a proven focus on implementing testable, maintainable, and extensible backend code.\nExperience building production applications with the Spring ecosystem (e.g. Spring Boot, Spring MVC, Spring Security, Spring Data, Spring Cloud, etc.), including proficiency in dependency injection, auto-configuration, reactive programming with WebFlux, and designing microservices using Spring-based patterns.\nSolid understanding of advanced JVM internals (e.g. garbage collection, memory allocation, JIT, JNI, etc.).\nExperience designing, implementing, and shipping high-scale, high-performance, highly available, fault-tolerant, and secure cloud-based distributed systems.\nSolid knowledge of networking concepts, protocols, and infrastructure (e.g. HTTP/HTTPS, TCP/IP, CDN, load balancing, edge computing, DNS, Zero Trust architecture, etc.).\nPreferred Qualifications\nTrack record of leading software projects within a team as a tech lead (TL), while mentoring software engineers.\nHands-on experience leveraging GenAI coding tools (e.g., Claude, Copilot, Codex) to accelerate the software development lifecycle, enhance code quality, and streamline debugging and testing processes.\nExperience with complementary programming languages beyond Java (e.g. Go, Python, Ruby, etc.), including practical use for automation scripting, infrastructure tooling, data processing pipelines, and build system customizations.\nExperience in API design and implementation, including proficiency in RESTful API principles, gRPC, GraphQL, contract-first design (e.g. OpenAPI/Swagger, Protobuf, etc.), API versioning strategies, gateway patterns, rate limiting, and designing APIs for backward compatibility and long-term 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