2 senior backend developer jobs found

Scala QA Tester - 3 months+ - £300-350pd Outside IR35 - REMOTE UK We are looking for an experienced Scala QA Tester to support a long-term UK Government technology programme. Key Responsibilities Test Scala-based backend applications, APIs and microservices. Create and execute functional, integration, regression and end-to-end test cases. Develop and maintain automated testing frameworks and scripts. Identify, investigate and document defects. Work closely with Scala Developers and wider Agile delivery teams. Support CI/CD and continuous improvement of QA processes. Essential Skills & Experience Commercial experience in QA/Test Engineering. Experience testing Scala/JVM-based applications. Strong knowledge of API, microservices and backend testing. Experience with automated testing and CI/CD. Familiarity with ScalaTest, Playwright, Selenium, Cypress...

Full Stack Developer (React + Python/FastAPI) Healthcare Software Glasgow, Scotland (hybrid, 2 days a week in the office) | £350 375/day | 6-month contract, Outside IR35 | Start 20/10/2026 MindClon builds healthcare and medicolegal software that handles sensitive personal data under UK GDPR and clinical governance obligations. We're moving our clinical-records product off Firebase onto a new platform: a React front end, a Python/FastAPI API and background worker, PostgreSQL, and self-hosted language and speech models. The same containers run on Google Cloud and in on-premise installations with no Internet access. You'll build this platform with a small engineering team and the Chief Technical Officer. This is a mid-level role. You'll own features from requirement to production, with design review and support around you. What you'll do Build features end to end: React and TypeScript in the browser, and FastAPI endpoints with Pydantic validation, business logic and SQL...