Senior Backend Engineer – Scalable APIs & Systems

Apple, Inc.; Sunnyvale (CA); On-site; USD 185,000 - 278,000; Full time

Benefits offered by this job

Healthcare benefits

Employee stock plans

Relocation assistance

Tuition reimbursement

Job summary

Apple, Inc. in Sunnyvale, CA, seeks a Senior Software Engineer for Retail & Marcom Engineering. You will design scalable backend services and APIs, focusing on device activation, plan pricing and order management with major carriers.

Join a hands-on team building reliable, scalable backend systems across Apple’s retail platforms. You will work with Java, Spring, and modern microservices patterns, including API design, messaging, and data stores, while mentoring peers and improving engineering

Qualifications

• B.S. in Computer Science, Computer Engineering, or a related technical field, or equivalent professional work experience.
• 5+ years proven experience developing software in a professional capacity.
• 2+ years proven experience with Java, including concurrency, memory management, and performance optimization.
• Proficiency in OOP principles, data structures, algorithms, and software design patterns.
• Experience building production applications with the Spring ecosystem (Spring Boot, MVC, Security, Data, Cloud).
• Experience in API design (REST, gRPC, GraphQL) and API versioning strategies.
• Experience with messaging systems (Kafka, RabbitMQ) and distributed architectures.
• Experience with relational and NoSQL databases.

Responsibilities

• Design and build scalable backend services and APIs for device activation, pricing and order management.
• Develop, test and deploy features across the full lifecycle from design to production support.
• Integrate with carrier systems and internal Apple platforms with reliable solutions.
• Troubleshoot production issues using logs and monitoring to prevent recurrence.
• Improve performance, reliability and maintainability of existing services.
• Collaborate with product managers, QA, program managers and partners to define requirements and deliver on schedule.
• Review code, mentor teammates and contribute to engineering standards.
• Write and maintain automated tests and runbooks.

Skills

Java

Spring framework

RESTful APIs

Microservices

Concurrency & performance

Object‑oriented design

CI/CD & Kubernetes

Education

Bachelor’s degree in CS/CE or related field

Tools

Spring Boot

Spring MVC

Spring Security

Spring Data

Spring Cloud

gRPC/GraphQL/OpenAPI

Kafka/RabbitMQ

Job description

Apple, Inc. in Sunnyvale, CA, seeks a Senior Software Engineer for Retail & Marcom Engineering. You will design scalable backend services and APIs, focusing on device activation, plan pricing and order management with major carriers.

Join a hands-on team building reliable, scalable backend systems across Apple’s retail platforms. You will work with Java, Spring, and modern microservices patterns, including API design, messaging, and data stores, while mentoring peers and improving engineering