QA Tester – £35,000 – Hybrid (2–3 Days in Office)
Location: Caterham, Surrey (Hybrid)
Salary: £35,000
Contract: Full-time, permanent
About Tekton Billing
Tekton Billing is one of the UK's fastest-growing SaaS businesses in the telecoms and subscription billing sector. Our flagship product, ZOEY, powers billing operations for telecom providers, resellers, and MSPs across the UK.
We've recently been recognised with two major industry awards:
* Software Vendor of the Year – 2025 CRN Channel Awards
* Best Billing Mobile Platform – 2024 Mobile News Awards
Our growth has been driven by product innovation, excellent customer experience, and exceptionally low churn. As our customer base expands, ensuring high-quality releases and platform reliability is more important than ever, and that's where this role plays a key part.
About the Role
We're looking for a QA Tester to join our expanding technology team. This role is ideal for someone with solid manual testing experience who wants to make a meaningful impact in a fast-paced SaaS environment.
You'll work closely with developers and product managers to ensure the quality and reliability of ZOEY. You'll test new features, validate bug fixes, contribute to regression suites, and help maintain consistent quality across releases.
Key Responsibilities
* Execute manual test cases, exploratory tests, and regression suites for web-based applications.
* Create and maintain structured test cases from requirements, user stories, and acceptance criteria.
* Test new features, enhancements, and bug fixes prior to release.
* Use Postman to validate APIs, investigate issues, and reproduce defects.
* Log clear, detailed, and reproducible issues in Jira.
* Work closely with developers and product managers to clarify expected behaviour and resolve issues quickly.
* Contribute to improving test processes, documentation, and coverage.
* Support the release cycle to ensure all work meets functional and reliability standards.
What We're Looking For
Essential Skills & Experience
* 1–3 years of commercial QA or software testing experience.
* Strong manual testing skills for web applications.
* Experience using Postman (or similar) for API testing.
* Ability to write clear, comprehensive test cases and identify missing scenarios.
* Excellent attention to detail and structured problem-solving.
* Confident using Jira or similar ticketing tools.
* Strong communication skills and collaborative approach.
Nice to Have (Not Essential)
* Basic SQL knowledge.
* Experience testing SaaS platforms or multi-tenant systems.
* Exposure to test automation tools.
Working Hours
* 9:00am – 5:30pm, Monday to Friday
* Hybrid working: 2–3 days per week in the office.
Benefits
* 25 days holiday + bank holidays
* Workplace pension
* Hybrid working environment
* Be part of a friendly, supportive, high-performing team
Why Join Tekton?
* Join an award-winning SaaS company delivering mission-critical billing software to telecoms providers, resellers, and MSPs.
* Be part of a growing engineering team where quality is valued and your work has real impact.
* Work on ZOEY, a platform relied on daily by a large and diverse partner base.
* Opportunities to grow into broader QA responsibilities, automation, or product roles over time.
* Collaborative, supportive culture with a focus on producing great work and helping each other succeed.