Senior Test Automation Engineer

Summary: The Senior Test Automation Engineer role involves working on a 6-month initial contract with potential extensions, focusing on automation in a hybrid work environment. The position requires expertise in Dockerized Java services, frontend automation using TypeScript and Playwright, and backend testing strategies. The role is based in Belfast, Northern Ireland, and is classified as inside IR35. Candidates will be expected to modernize existing automation and influence CI/CD strategies.

Key Responsibilities:

• Work with Dockerised Java services to build integration and E2E coverage.
• Modernise existing automation and extend Python-based tooling.
• Influence performance testing and CI/CD strategy (GitLab).
• Work on frontend automation using TypeScript and Playwright.
• Test backend services communicating via mechanisms such as SNS queues.

Key Skills:

• Senior-level automation engineering experience in distributed systems.
• Strong integration and E2E testing design for microservices.
• Experience with Docker/containerised test environments.
• Proficiency in TypeScript & Playwright for frontend automation.
• Experience in backend/API testing for event-driven or async systems.
• Python tooling for test support.
• CI/CD integration experience, preferably with GitLab.
• Performance testing mindset and experience.

Salary (Rate): undetermined

City: Belfast

Country: United Kingdom

Working Arrangements: hybrid

IR35 Status: inside IR35

Seniority Level: Senior

Industry: IT

Detailed Description From Employer:

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Senior Test Automation Engineer

6 Month Initial Contract + Potential Extensions

3 Days Onsite In Belfast - 2 Days Remote

Inside IR35

Responsibilities

• You'll work with Dockerised Java services, treating each microservice as a black box to build meaningful integration and E2E coverage.
• You'll modernise existing automation, extend Python-based tooling, and influence performance testing and CI/CD strategy (GitLab).
• Will work on Frontend automation built by using TypeScript + Playwright, while backend services communicate via mechanisms such as SNS queues.

Key Skills & Experience

• Senior-level automation engineering experience in distributed systems
• Strong integration and E2E testing design for microservices
• Docker/containerised test environments
• TypeScript & Playwright (frontend automation)
• Backend/API testing (event-driven or async systems)
• Python tooling for test support
• CI/CD integration (GitLab preferred)
• Performance testing mindset and experience

If you would like immediate consideration, please send me an updated CV/contact details to jcaria@redglobal.com so we can discuss further or reach out to me through LinkedIn.

Reference
CR/131761_1767971472

Date
9 Jan 2026

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