Software Developer in Test (SDET) | Software Development Firm | London, Hybrid
Our client builds technology that supports public sector organisations in managing complex regulatory and operational challenges at scale.
Backed by recent investment, they are growing fast – expanding internationally, strengthening their platform, and investing heavily in their people and ways of working.
This is an opportunity to join a purpose‑driven organisation at a pivotal stage, where you can have real impact and help shape what comes next.
In this hands-on engineering role, you will lead and define testing standards within a new product team (4 engineers plus a Product Manager).
You will contribute to transformation projects, including rewriting and re-architecting a core product with zero downtime for customers.
You’ll write and maintain code, take part in code reviews, and embed quality across the CI/CD and release processes.
London, Hybrid Working – with visits to the Head Office when needed (Greater London)
Competitive Base + Benefits Package
⏰Permanent Role
Key Responsibilities
- Own the end-to-end test strategy for your team, setting a high bar for quality and reliability.
- Design, build, and maintain automated test suites (unit, integration, end-to-end) and test tooling.
- Work closely with engineers and product to define acceptance criteria and ensure testability.
- Improve and operate CI/CD pipelines, including test automation, quality gates, and release confidence.
- Support delivery of re-platforming work on legacy systems, balancing risk and speed pragmatically.
- Drive continuous improvement through metrics, root-cause analysis, and prevention-focused practices.
Requirements
- Strong hands-on coding skills in JavaScript/TypeScript.
- Proven experience writing automated tests and designing approaches to ensure high quality.
- Experience building and running CI/CD pipelines.
- Comfortable working with complex, sometimes confusing legacy applications.
- Experience designing and delivering high-quality software in modern engineering teams.
- Clear views on how to test software effectively; “strong opinions, weakly held”.
- Good communication skills and the ability to collaborate across disciplines.
If you are interested in this role, please apply diretly to this advert with your updated CV.
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