Senior Test Engineer
Game Studio
Hybrid – Sunderland (3 days onsite, 2 days remote)
At tombola, everything is built in-house, and care is taken in both what is created and how teams work together. Collaboration, ownership, and doing the right thing are part of everyday life.
An opportunity has opened for a Senior Test Engineer to join the Game Studio team, helping to ensure APIs are reliable, resilient, and ready for release in a fast‑paced, regulated environment.
This hybrid role combines time in the Sunderland office with remote working, offering space for both collaboration and focused work.
The role
This role goes beyond testing alone.
As a Senior Test Engineer, quality is championed across the team—shaping approaches to testing, risk, and continuous improvement. The position combines hands‑on delivery with the chance to influence how quality engineering evolves over time.
Working closely with developers, product, infrastructure, compliance, and growth teams, this role helps ensure everything released is something the whole team can stand behind.
A quick note on terminology: when referring to the “game engine,” this relates to the mathematical and logic platform that powers tombola’s games. It is not a visual or 3D engine (such as Unity), and the focus is on backend systems, APIs, and game logic rather than game graphics or client‑side development.
Time spent onsite supports shared learning, stronger collaboration, and meaningful working relationships, while remote days provide flexibility and focus.
What you’ll be involved in
* Designing, writing, and executing test plans and test cases for APIs and applications within the game engine
* Creating and maintaining manual and automated API tests using Postman
* Managing Postman collections and environments
* Validating response formats, status codes, business logic, and data integrity
* Identifying risks and gaps, supporting confident and well‑informed releases
* Integrating API tests into CI/CD pipelines
* Supporting promotion of releases in test environments and providing QA sign‑off
* Carrying out performance and load testing, identifying regressions or bottlenecks
* Ensuring testing evidence aligns with regulatory and compliance requirements
* Supporting audit readiness and traceability
* Sharing knowledge through mentoring and peer collaboration
* Contributing to continuous improvement across QA practices, tools, and processes
What’s looked for
Experience is important, but so is approach. A thoughtful, collaborative mindset and an interest in quality make a real difference in this role.
* Experience testing RESTful APIs using Postman, including JavaScript‑based test scripting
* Understanding of HTTP methods, status codes, JSON schemas, and API authentication
* Experience working in environments where quality and compliance are important
* Familiarity with version control and CI/CD pipelines
* Confidence communicating with both technical and non‑technical stakeholders
* Experience working within agile teams
* Attention to detail, alongside a pragmatic, risk‑based approach
* A collaborative and open way of working
* Curiosity and a proactive mindset, especially in evolving environments
* An interest in learning, sharing knowledge, and developing skills
Nice to have (but not essential):
* Experience with Newman and CI integration
* Familiarity with backend technologies for debugging
* Exposure to performance or load testing tools
* Experience testing real‑time systems or engine‑based platforms
Why tombola
tombola offers a supportive and friendly environment where people look out for each other and quality is genuinely valued. There’s space to grow, opportunities to learn, and encouragement to share ideas.
Hybrid working is supported, alongside a people‑first culture and a range of benefits focused on wellbeing and development. More details can be found on the careers page.
For those looking to make an impact, work collaboratively, and help shape how quality is approached, this could be a great fit.
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