Senior Test Engineer (Mobile) - Government Digital Service - G7

Location

Bristol, London, Manchester

About the job

Job summary

The Government Digital Service (GDS) is the digital centre of government. We are responsible for setting, leading and delivering the vision for a modern digital government.

Our priorities are to drive a modern digital government, by:

1. joining up public sector services
2. harnessing the power of AI for the public good
3. strengthening and extending our digital and data public infrastructure
4. elevating leadership and investing in talent
5. funding for outcomes and procuring for growth and innovation
6. committing to transparency and driving accountability

We are home to the Incubator for Artificial Intelligence (I.AI), the world-leading GOV.UK and at the forefront of coordinating the UK’s geospatial strategy and activity. We lead the Government Digital and Data function and champion the work of digital teams across government.

We’re part of the Department for Science, Innovation and Technology (DSIT) and employ more than 1,000 people all over the UK, with hubs in Manchester, London and Bristol.

The Government Digital Service is where talent translates into impact. From your first day, you’ll be working with some of the world’s most highly-skilled digital professionals, all contributing their knowledge to make change on a national scale.

Join us for rewarding work that makes a difference across the UK. You'll solve some of the nation’s highest-priority digital challenges, helping millions of people access services they need

Job description

As a Grade 7 Senior Test Engineer (Mobile), you will join the Quality Engineering team within the GOV.UK One Login program. This role involves leading test engineering efforts for product and cross-product delivery, covering

both functional and non-functional testing. A key part of this role is championing quality engineering initiatives to ensure the seamless integration and delivery of reliable and resilient products. You will also have the opportunity to drive innovation in testing methodologies, mentor team members, and embed quality engineering practices throughout our software development lifecycle.

As a Senior Test Engineer (Mobile), you’ll:

• drive continuous improvement in quality engineering by leading and guiding teams, optimising testing processes, and championing an automation-first approach across the software delivery lifecycle
• act as a subject matter expert in test engineering, continuously learning new functional and non-functional testing (performance, accessibility, resilience etc) technologies, and supporting teams with their adoption
• lead and guide quality engineers in defining the test approach, test planning, and implementing automated test suites to ensure both functional and non-functional acceptance criteria are met
• conduct Operational Acceptance Testing (OAT) to ensure systems meet all operational requirements and are production-ready
• analyse technical, functional, and business requirements, gathering evidence to identify problems and opportunities, and ensure recommendations align with strategic business objectives
• influence the architecture and design of new features early in the development cycle to drive quality, testability, and specification adherence

Person specification

Our mobile applications are developed natively for iOS and Android using Swift and Kotlin. We follow modern mobile engineering practices, including modular architecture, automated testing, CI/CD pipelines, and seamless integration with AWS-hosted backend services to deliver scalable, high-quality user experiences.

In this role, we are seeking highly skilled Senior Test Engineers to join our dynamic mobile app product teams within the One Login Programme.

We’re interested in people who:

• have proven experience leading and managing all phases of testing for iOS and Android mobile applications—covering both functional and non-functional testing—across multiple teams, from initial business understanding through to production delivery. This includes expertise in technical leadership, quality improvement, developing test strategies, mobile test automation, reporting, and testing in CI/CD environments
• have demonstrated success in implementing automated testing solutions for Android and iOS applications, consistently driving quality improvements. Proficient in one or more mobile automation frameworks, including XCUITest (Swift), Espresso (Kotlin), or Appium, with experience using BrowserStack, Firebase Test Lab, or similar platforms for cross-device testing
• have experience in leading non-functional testing, specifically Performance, Accessibility, Resilience testing and Compatibility testing. Proficient in applying a diverse range of test types, tools, and industry standards
• are an adaptable team member within a Continuous Integration/Continuous Delivery (CI/CD) environment, demonstrating competency in the deployment of relevant tools and methodologies. Initiates proactive measures to implement and champion 'shift left and shift right' quality engineering principles
• can cultivate a quality-centric, 'whole team' approach, and enhance the testing capabilities within delivery teams
• have comprehensive understanding of production testing, observability, and real-usage monitoring. Able to implement risk-based test strategies that guarantee system reliability and provide actionable insights into user behaviour