Java Backend Developer (Java, Python, Reactive)

Java Backend Developer (Java, Python, Reactive)

Austin, TX (On-site / Hybrid)

12+ Months Longterm Contracting basis

Role Summary

We don’t just build products—we create the kind of wonder that’s revolutionized entire industries. We are looking for a high-performing Java Backend Developer to join our engineering team in Austin. You will be responsible for building, maintaining, and enhancing the critical server-side applications and infrastructure that power Apple’s global operations.

Key Responsibilities

Architect & Develop : Design and implement highly scalable, reliable, and performant backend services using Java 17+ and Spring Boot.

Reactive Systems : Leverage Reactive Programming (Project Reactor, WebFlux, or RxJava) to handle high-concurrency traffic and ensure low-latency system responses.

Python Integration : Build and maintain Python-based microservices or automation scripts, particularly for data processing or AI / ML model integration.

API Design : Build robust RESTful and gRPC APIs that connect Apple’s frontend interfaces with complex backend logic.

Data Management : Manage and optimize interactions with both relational (PostgreSQL) and NoSQL (Cassandra, MongoDB) databases.

Cloud & DevOps : Deploy and manage containerized applications using Docker and Kubernetes within Apple’s cloud environment (AWS / GCP / Internal).

Collaboration : Work closely with cross-functional teams, including UI / UX designers, data scientists, and product managers to translate ambiguous requirements into technical specifications.

Technical Qualifications

Required Skills

Java Mastery : 5+ years of experience with Core Java (Advanced multi-threading, JVM tuning, and Memory management).

Reactive Programming : Hands-on experience with Spring WebFlux, Project Reactor, or Vert.x for building non-blocking applications.

Python Proficiency : Strong ability to write clean, idiomatic Python for backend services or data manipulation (FastAPI, Flask, or Pandas).

Spring Ecosystem : Deep knowledge of Spring Boot, Spring Cloud, and Spring Security.

Distributed Systems : Experience with message brokers like Kafka or RabbitMQ.

Preferred Qualifications

Experience with CI / CD pipelines (Jenkins, GitHub Actions) and infrastructure as code.

Knowledge of Unit & Integration testing frameworks (JUnit, Mockito, PyTest).

Familiarity with Apple-specific technologies or previous experience in an Apple IS&T environment is a major plus.

BS / MS in Computer Science or a related technical field.