Senior Test Automation Engineer

RED SAP Solutions; Belfast; On-site; GBP 40,000 - 55,000; Full time

Job summary

A leading technology firm in Belfast seeks a Senior Test Engineer for a 6-month contract, focusing on backend and frontend automation. You will modernise existing automation and extend tools while ensuring robust integration of Dockerised Java services. The ideal candidate has strong experience in TypeScript, Playwright, and performance testing, working 3 days onsite and 2 days remotely. Join a team that values innovation and quality in software testing.

Qualifications

• Proven experience in integration and E2E testing design for microservices.
• Strong knowledge of Docker and containerized environments.
• Experience with TypeScript and Playwright for frontend automation.

Responsibilities

• Work with Dockerised Java services for microservice integration.
• Modernise automation and extend Python-based tooling.
• Build frontend automation with TypeScript and Playwright.

Skills

Integration and E2E testing design

Docker/containerized test environments

TypeScript & Playwright

Backend/API testing

Python tooling for test support

Performance testing

Job description

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

• 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
• Performance testing mindset and experience

Reference

CR/131761_1767971472

Date

9 Jan 2026

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Senior Test Engineer • Belfast, Northern Ireland, United Kingdom