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# Senior Software Development Engineer in Test (SDET) - B2B SaaS | Hybrid

- **Company:** Transreport Limited
- **Location:** Greater London, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Apple IOS, Automation of Tests, Unit Testing, Code Review, Systems Development Life Cycle, Ruby, Software Testing Automation Framework, Test Case, Rspec, Backend, SDET
- **Published:** September 8, 2026
- **Apply:** https://www.collegerecruiter.com/job/2840575796-senior-software-development-engineer-in-test-sdet-b2b-saas--hybrid

## About the Role

* Strong experience with test automation frameworks and tools (preferably in Ruby /RSpec)
 * Solid understanding of the SDLC in a coding-heavy environment
 * Ability to write and review code as part of quality engineering
 * Experience integrating automated tests into CI/CD pipelines
 * Comfortable working closely with developers during feature development
 * Ability to align automated testing with business requirements rather than focusing on manual QA

Nice to Haves

 * Experience working with mobile ecosystems (iOS / Android)
 * Experience in Ruby-based backend environments

## Description

We're looking for a Senior Software Development Engineer in Test (SDET) to act as a true development partner, embedded within our feature teams rather than operating as a traditional QA resource. You'll write code, collaborate closely with engineers, and ensure quality is built into features from the start through meaningful, business-aligned automated testing - not just test case execution or edge-case overengineering., * Act as the go-to quality engineering partner across multiple product areas

 * Reduce regression issues through robust, business-focused automation
 * Influence architectural decisions to improve system testability
 * Help scale automated testing practices as the platform grows, * Collaborate with developers during feature development to design and implement automated tests thatvalidatecore business functionality
 * Own and improve unit and integration testing across services and platforms
 * Build andmaintainscalable automated test suites integrated into CI/CD pipelines
 * Contribute to code reviews and architecture discussions to improve testability and quality
 * Ensure testing focuses on real-world business scenarios rather than exhaustive edge cases
 * Partner with Ruby backend and iOS/Android teams tomaintainconsistent quality standards

Technical Environment

 * Backend: Ruby /RSpec
 * Cross-functional collaboration with iOS and Android engineers
 * Focus on automated testing (not manual QA)


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