Senior Test Engineer

Get AI-powered advice on this job and more exclusive features. This range is provided by Companies House. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Companies House Senior Recruitment Manager at Companies House We are looking for enthusiastic Senior Test Engineers with great technical skills able to deliver testing in agile delivery teams and coach and mentor other testers. The role includes collaboration with developers, product owners, and analysts to define acceptance criteria, designing test scenarios, and ensuring features deliver a seamless user experience, contributing to sprint activities and providing clear, actionable feedback to maintain quality across releases. This is an exciting opportunity in the Digital Services team. You’ll be joining our team at a time of transformation and you will be part of shaping the future of our department. We use Agile Methodologies and promote a culture of continuous improvement. This is a rewarding role within the Test Team and provides an opportunity to contribute to the success of existing and future services provided by Companies House. Watch this video to find out more about working in Digital at Companies House Companies House offers a flexible and welcoming culture that promotes a healthy work life balance as well as a proactive approach to wellbeing that allows us to be our best at work. We recognise that people are the key to our success so offer a fantastic benefits package including flexible working with no core hours, 30 days annual leave, 8 bank holidays and 1 privilege day as well as enrolment into the Civil Service Pension scheme with a contribution rate averaging 28%. Find out more about what a great place Companies House is to work Please note: Security Clearance is an essential requirement for this campaign. You'll need to have been in the UK for at least 3 out of the last 5 years to be eligible to apply for SC. Companies House cannot offer Visa sponsorship to candidates through this campaign. The team for this role is based in our Cardiff office and a hybrid employment contract will be provided as the standard offering. However remote contracts may be considered as an exception whereby commuting to the office location of your team is not reasonably practicable. You can read more about a career in Digital and Data within the Civil Service in the Government Digital and Data Candidate Information Pack. As a Senior Tester in an Agile team, you’ll lead quality assurance by defining test strategies, mentoring team members in test practices, and ensuring seamless delivery through collaborative, iterative development. You’ll work as part of an agile Scrum team delivering and improving Companies House services, with a focus on advancing our automated testing capabilities. You will encourage an automation-first approach. Person specification We are looking for the following experience and skills which will be assessed at sift and interview. Experience Proven experience designing and automating software tests, ideally in web and API applications. You will be expected to coach and mentor Junior Test Engineers. Strong proficiency in Typescript/Playwright, Java/Selenium or similar modern testing frameworks. Experience working in Agile/Scrum environments. Experience of Non Functional testing practices including Security, Performance and Accessibility Testing. Some experience of any of the following would also be beneficial: AWS Concourse / Jenkins Docker JMeter Karate/Rest API MongoDB Oracle Postman/SOAP UI SQL Typescript Unix based systems Version control XML Alongside your salary of £41,509, Companies House contributes £12,025 towards you being a member of the Civil Service Defined Benefit Pension scheme. Find out what benefits a Civil Service Pension provides. We offer an excellent benefits package that includes: a generous 30 days annual leave plus 8 bank holidays and 1 privilege day enrolment into the Civil Service Pension Scheme with a contribution rate of averaging 28% a range of recognition schemes including instant awards to thank and recognise each other's efforts and contributions strong ethos of equality, diversity and inclusion great work life balance with flexible and mobile working available for many roles a pro‑active approach to employee wellbeing that allows our employees to flourish and be their best at work and has enabled us to become an Investors In People platinum accredited employer online financial support and advice seasonal flu jabs generous maternity, paternity, adoption and shared parental leave allowances a focus on career development and progression a number of inclusive network groups to support our colleagues and a great sports and social society cycle to work scheme Next Steps Click 'Apply Now' to be taken to our main advert Civil Service Jobs where you can see more details regarding the role, the incredible benefits we have to offer and what it's like to work in Companies House. If you have any questions about the role or process, please reach out to kjones6@companieshouse.gov.uk. This role closes on 14 January 2026. Seniority level Seniority levelMid-Senior level Employment type Employment typeFull-time Job function Job functionOther, Engineering, and Information Technology IndustriesGovernment Administration Referrals increase your chances of interviewing at Companies House by 2x Get notified about new Test Engineer jobs in Cardiff, Wales, United Kingdom. Cardiff, Wales, United Kingdom #J-18808-Ljbffr