Java Backend Developer

Quick Facts

• Role: Java Backend Developer (Contract)

• Work mode: Hybrid

• Location: Austin, TX

• Rate: DOE

• Engagement: Start 01/01/2027, complete by 08/31/2027 (up to 1280 hours total)

Description

Design and build secure, scalable backend interfaces and enterprise-grade RESTful web services, including integration points across internal and third-party systems. Develop and optimize high-volume data-processing pipelines with the Spring framework, mapping data structures for seamless exchange while resolving API latency and processing bottlenecks. Collaborate with cross-functional teams to define interface requirements and schemas and to write comprehensive unit and integration tests.

Responsibilities

• Design and build secure, scalable backend interfaces and integration points

• Develop, document, and maintain enterprise-grade RESTful web services

• Build and optimize high-volume data-processing pipelines with Spring

• Map data structures to support seamless exchange across applications and third-party systems

• Write comprehensive unit and integration tests; resolve data-processing bottlenecks and API latency issues

• Collaborate with systems analysts, business analysts, database administrators, and frontend teams on interface requirements and schemas

• Perform other duties as assigned

Requirements

• 8+ years designing and developing Java enterprise solutions

• Experience designing scalable, secure, maintainable interface architectures for internal/external system integrations

• Hands-on Spring ecosystem expertise

• Developing and consuming RESTful APIs secured with OAuth 2.0 and JWT

• Microservices experience; parsing XML and JSON data

• Relational database experience (Oracle), SQL optimization, and ORM with Hibernate/JPA

• Collaborate across teams to define data requirements and support end-to-end integration

• Apply application design best practices to improve performance, scalability, and maintainability

Benefits

• Contract service expected to start 01/01/2027 and complete by 08/31/2027

• Total estimated hours per candidate will not exceed 1280

• Hybrid work arrangement in Austin, TX