Senior Test Engineer

About Amber LabsAmber Labs is a forward-thinking digital consultancy delivering innovative cloud, data, and DevOps solutions across the UK public sector.
We specialise in helping organisations achieve digital transformation at pace while maintaining the highest security and governance standards.
We are seeking a Senior Test Engineer with deep core expertise in building automated test frameworks, to join a critical government programme.
This is an excellent opportunity to work on highly impactful projects while enjoying a flexible, collaborative environment.
Role Overview - App Remediation The Applications Remediation workstream shares a similar emphasis on quality and engineering excellence as CRS.The focus is on:Improving and modernising existing applicationsEnsuring solutions are robust, maintainable, and built to a high standard
Key ResponsibilitiesDesign, build, and maintain API automation frameworksDefine and implement test strategies aligned with engineering standardsPerform functional, integration, and regression testing at API levelCollaborate closely with developers, analysts, and DevOps engineersEnsure solutions are: Robust/ Maintainable/ ScalableEmbed quality engineering practices across teamsContribute to modernisation and remediation of legacy applicationsIdentify risks early and drive improvements in quality processesAnalyse defects, perform root cause analysis, and prevent recurrence
Core Technical SkillsTest Automation (Primary Focus)Strong experience building automated test frameworks from scratch or evolving existing onesProficiency in automation using languages such as Java, Python, or JavaScriptExperience with common test frameworks (e.g., JUnit, TestNG, PyTest)Strong understanding of test design patterns and maintainable automation architectureAbility to integrate tests into CI/CD pipelines
API Testing (Critical)Extensive experience testing REST and SOAP APIsStrong understanding of: HTTP methods, status codes, headers. Request/response validation / Authentication mechanisms (OAuth, JWT, etc.)Hands-on experience with tools/libraries such as: REST clients (Postman, REST Assured, Karate)Ability to design robust API test suites including: Functional testing / Negative testing / Contract testing / Data validation