SDET: Build Automation Frameworks & Emulated Tests (Bristol)

Rowden; West of England; Hybrid; GBP 50,000 - 70,000; Full time

Job summary

Rowden is seeking a Software Development Engineer in Test (SDET) to build out testing frameworks and emulated environments for mission-critical software. The team works across hardware-integrated projects, requiring strong cross-discipline collaboration and a deep focus on quality.

The role is based in Bristol with hybrid working options and a requirement of at least 3 on-site days per week. Candidates must be eligible for SC clearance.

Qualifications

• 3+ years’ test automation or software development experience.
• Experience with test tooling languages (Python, TypeScript or Java) and CI/CD practices.
• Experience designing and building test automation frameworks from scratch.
• Experience with APIs and integration test automation.

Responsibilities

• Design, build and maintain test automation frameworks and shared tooling from the ground up, selecting architectures and libraries.
• Develop emulated and simulated test environments (network conditions, devices, cloud services) for repeatable testing.
• Embed automated tests into CI/CD pipelines, manage flaky tests and ensure pipeline reliability.
• Promote consistent test standards and risk-based quality assurance across projects.
• Coach peers on automation practices and the use of frameworks you build.

Skills

Test automation

Python

TypeScript

Java

CI/CD

Git

APIs

Distributed systems

Test frameworks

Emulators

Tools

Playwright

PyTest

UI Automator

Job description

Rowden is seeking a Software Development Engineer in Test (SDET) to build out testing frameworks and emulated environments for mission-critical software. The team works across hardware-integrated projects, requiring strong cross-discipline collaboration and a deep focus on quality.

The role is based in Bristol with hybrid working options and a requirement of at least 3 on-site days per week. Candidates must be eligible for SC clearance.