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# Test Automation Engineer

- **Company:** Experis
- **Location:** Belfast, UK
- **Salary:** £40,000.0 - £60,000.0
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), JavaScript (Programming Language), Application Programming Interfaces (APIs), Agile Methodology, Automation of Tests, Unit Testing, C Sharp (Programming Language), Software Quality, Code Review, Encodings, Software Debugging, Software Design Patterns, DevOps, Distributed Systems, Python (Programming Language), Object-Oriented Software Development, Systems Development Life Cycle, E2e Testing, Software Tools, Software Engineering, TypeScript, Web Applications, Software Troubleshooting, Git, SC Clearance, Integration Tests, Solid Principles, Code Restructuring, Software Version Control, Microservices
- **Published:** November 6, 2026
- **Apply:** https://www.careerboard.com/gb/en/find-jobs-in-United-Kingdom/-D97EAD0C52AE6ECC58/

## About the Role

* Active SC Clearance
 * Strong software development experience in one or more of:
 + Java
 + C#
 + Python
 + JavaScript/TypeScript
 * Understanding of:
 + Object-Oriented Programming
 + SOLID Principles
 + Design Patterns
 + Refactoring
 + Code Reviews
 * Experience developing:
 + Automation Frameworks
 + Engineering Tools
 + APIs
 + Web Applications
 + Distributed Systems
 * Experience working in Agile delivery environments.
 * Strong Git and source control experience.
 * Experience designing and implementing:
 + Unit Tests
 + Component Tests
 + API Tests
 + Integration Tests
 + End-to-End Tests
 * Strong debugging, troubleshooting and root-cause analysis skills.
 * Excellent communication and stakeholder engagement skills.

## Description

We're looking for talented Software Development Engineers in Test (SDETs) who are passionate about software quality, automation and engineering excellence. You'll help deliver secure, resilient and scalable digital services supporting critical national infrastructure, public services and large-scale technology transformation programmes.

This is a hands-on engineering role, combining strong software development skills with modern quality engineering practices. You'll work within multidisciplinary Agile teams to ensure quality is Embedded throughout the software delivery lifecycle.

What You'll Be Doing

 * Designing, developing and maintaining automation frameworks, testing solutions and engineering tooling.
 * Building automated tests for APIs, microservices and web applications.
 * Developing production-quality code using modern software engineering principles.
 * Embedding quality controls and automated testing into CI/CD pipelines.
 * Collaborating with developers, DevOps engineers, architects and business analysts to ensure quality, security and performance are considered from the outset.
 * Troubleshooting application issues, identifying root causes and implementing long-term solutions.
 * Applying a range of testing approaches including unit, integration, API, end-to-end and exploratory testing.
 * Supporting Agile delivery teams throughout the full software development lifecycle.
 * Mentoring team members and contributing to engineering best practices.