Full-time

Software Engineer in Test (SDET) – Java (Backend)

Posted by Robert Half Technology • Washington, DC, United States

📍 Washington, DC 🕒 February 19, 2026

About the Role

Description
Software Engineer in Test (SDET) – Java (Backend)

Hybrid – Washington, DC


Job Summary

We’re hiring a Software Engineer in Test (SDET) who can write automation code in Java and owns the full backend testing lifecycle for modern service-based systems. This role is 100% backend (no UI/front-end testing) and focuses on validating microservices and APIs running in a containerized environment. You’ll work closely with engineering and product teams to identify risk early, build reliable automated coverage, and speak up when something isn’t ready.

Responsibilities

+ Build and maintain Java-based automated tests for backend services and APIs.

+ Execute and improve the end-to-end testing process (test planning, test execution, defect validation, regression).

+ Test microservices and distributed systems, including service-to-service behavior and integration points.

+ Validate REST APIs and troubleshoot ...

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