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# Senior Test Engineer (SDET)

- **Company:** NonStop Recruitment
- **Location:** London, United Kingdom (Remote available)
- **Experience:** Expert
- **Salary:** £28,080 - £32,240
- **Contract:** Contract
- **Skills:** JavaScript (Programming Language), .NET Framework, Automation of Tests, Microsoft Azure, C Sharp (Programming Language), Code Coverage, Software Quality, Relational Databases, Github, Node.Js, SQL Databases, System Integration Testing, TypeScript, Integration Tests, Playwright, Cucumber (Software), Software Version Control, SDET, Microservices
- **Published:** November 8, 2026
- **Apply:** https://www.hiredonline.co.uk/jobs/225783067-senior-test-engineer-sdet/nonstop-consulting

## About the Role

* Test tools: Cucumber, Playwright and K6
 * Version control: GitHub and Azure DevOps
 * Microsoft-stack coding: C#, Node.js, JavaScript or TypeScript
 * SQL and relational databases
 * Testing on .NET, SQL and microservices, both on-prem and in the cloud
 * Proven experience as an automation test engineer

## Description

* Define and evolve the automation-first testing strategy
 * Carry out automated system and system integration testing across functional and non-functional areas
 * Report quality risks and results clearly, so they inform defect fixes and release decisions
 * Work closely with developers to improve code quality and unit and integration test coverage
 * Peer review automation code and lead sprint show-and-tells
 * Assess the impact of changes on test coverage