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

B2B SaaS | Hybrid – 2-3 days office | UK

Role overview

Accessible rail travel depends on systems that work reliably in live environments.

Our Passenger Assistance platform turns passengerassistancerequests into coordinated action inside live rail operations.

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.

Strategic Context

Transreportexists to remove structural barriers in rail travel. Our vision is that everyone has access to travel everywhere.

As a Series A technology company and recipient of a King’s Award, weoperateacross the UK, Japan and the EU...