Java Backend Engineer - Spring, REST & Microservices

Sistema Technologies Inc.; Austin (TX); Hybrid; USD 110,000 - 150,000; Full time

Job summary

Sistema Technologies Inc. is seeking a Developer/Programmer Analyst for an eight-month engagement in Austin, TX. The hybrid role combines on-site and remote work, with two days per week on client site. Local Austin candidates or those willing to relocate are encouraged to apply.

You will design and implement backend interfaces, develop RESTful services, and optimize data pipelines using the Spring framework, while collaborating with cross-functional teams to meet enterprise requirements.

Qualifications

• 8+ years of designing and developing solutions in Java using core enterprise concepts.
• 8+ years designing scalable, secure, and maintainable end-to-end interface architectures for internal and external system integrations.
• 8+ years hands-on expertise across the Spring ecosystem.
• 8+ years developing and consuming RESTful APIs secured with OAuth 2.0 and JWT.
• 8+ years working with microservices architectures and parsing XML and JSON data.
• 8+ years with relational databases such as Oracle, optimizing SQL, and using ORM tools such as Hibernate and JPA.
• 8+ years collaborating across engineering, product management, and business analysis teams to define data requirements and support seamless end-to-end integration.
• 8+ years implementing application design best practices to improve performance, scalability, and maintainability.
• 3+ years using Maven or Gradle and Git.
• 3+ years applying Agile development methodologies.

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 the Spring framework.
• Map data structures to support seamless exchange across applications and third-party systems.
• Write comprehensive unit and integration tests and resolve data-processing bottlenecks and API latency issues.
• Collaborate with systems analysts, business analysts, database administrators, and frontend teams to define interface requirements and schemas.
• Perform other duties as assigned.

Skills

Java

Spring framework

RESTful APIs

OAuth 2.0 / JWT

XML / JSON

Oracle SQL / ORM (Hibernate / JPA)

Agile

Maven / Gradle

Git

Tools

Git

Job description

Sistema Technologies Inc. is seeking a Developer/Programmer Analyst for an eight-month engagement in Austin, TX. The hybrid role combines on-site and remote work, with two days per week on client site. Local Austin candidates or those willing to relocate are encouraged to apply.

You will design and implement backend interfaces, develop RESTful services, and optimize data pipelines using the Spring framework, while collaborating with cross-functional teams to meet enterprise requirements.