SDET

• Work within a multi-skilled agile team
• Developing and executing functional automated and manual tests
• Help the team deliver working application software that meets user needs
• Learn about new technologies and approaches
• Collaborate with talented colleagues

Senior Test Engineer – Public

• Provide strong test leadership and direction within a multi-skilled agile team.
• Take responsibility for the strategy, design and development of automated, manual, and non-functional tests.
• Help the team to deliver working application software that meets user needs and is of sufficient quality for promotion to users.
• Manage, coach and develop a small number of staff with a focus on managing employee performance and assisting in their career development.
• Interact with customers, share knowledge and mentor those around you.

Lead Test Engineer

• Work closely with software developers to understand the system architecture, design, and implementation to create effective test strategies.
• Pay attention to code quality and software craftsmanship
• Participate in code reviews, ensuring that code is designed with test automation in mind.
• Participating proactively in daily standup meetings, story grooming sessions, team retrospectives, regularly reporting progress as well as suggesting and implementing improvements.
• Develop detailed test plans, test scripts and test completion reports based on functional and technical specifications.
• Develop, maintain, and enhance automated testing frameworks for functional and non-functional testing.
• Design and execute performance, load, and stress tests to ensure the application can scale and perform under heavy traffic or resource constraints.
• Integrate automated tests into the CI/CD pipeline to ensure frequent, automated validation of code changes.
• Monitor the health of test suites and ensure that automated tests run successfully whilst ensuring test environment and test cases are optimized to improve system performance.
• Investigate test failures and work closely with developers to diagnose and resolve defects and issues.

Senior Software Engineer in Test, SDET

• Designing and executing manual and exploratory tests across web and mobile platforms
• Testing APIs and integrations to ensure services interact correctly and data flows reliably across systems
• Creating and maintaining test cases, test plans and supporting documentation to ensure strong coverage of functional requirements
• Investigating issues, raising defects clearly in Jira and working closely with engineers to support resolution
• Collaborating with developers and product managers in Agile squads to identify risks early and improve quality throughout the development process
• Supporting regression and release testing to help ensure stable deployments
• Contributing to automation testing and supporting the continued adoption of modern testing practices

QA Test Engineer

• Support a client-focused approach by contributing to quality outcomes across delivery.
• Engage with stakeholders to understand testing scope, requirements, and expectations.
• Communicate test progress and findings clearly to technical and non-technical audiences.
• Contribute to the creation of Test Plans and supporting test artefacts.
• Write and execute test cases aligned to defined requirements and acceptance criteria.
• Perform testing across web and mobile environments using appropriate tools.
• Work to agreed deadlines, managing time effectively across assigned tasks.
• Support validation of solutions against requirements, Definition of Ready, and Definition of Done.
• Identify, document, and report defects with clear supporting evidence.
• Assist in troubleshooting issues and contribute to problem solving activities.
• Provide objective feedback to support improvements in product quality.

Graduate Test Engineer

• Develop and implement processes, methods, tools, standards and guidance that enable successful delivery of test programmes
• Support strategic resource planning activities to meet programme priorities and business needs
• Work with subject matter experts and capability teams to drive technical excellence across Development Engineering
• Support project delivery teams to achieve cost, quality and schedule objectives
• Ensure testing processes and tools are effectively integrated with wider business activities
• Help monitor and improve supplier performance across the Development Engineering supply chain
• Support the development of technical quality, competency and safety standards
• Contribute to continuous improvement activities across testing capability and delivery
• Support the successful execution of test programmes through effective stakeholder engagement.

Engineer – Test Capability

• Design, implement, and maintain automated and manual test systems for 5G RF and wireless communication products
• Ensure reliable verification and validation across AccelerComm’s product portfolio
• Develop automated test systems
• Deliver 3GPP-aligned testing
• Capture and translate requirements
• Integrate test systems
• Develop digital interface test capability
• Produce technical documentation

Principal System Test Engineer

• Designing, developing and maintaining automated test frameworks, with a particular focus on API and integration testing.
• Building and maintaining automated test frameworks in Python.
• Developing automated functional, regression and API test suites.
• Testing REST APIs using modern tooling and frameworks.
• Integrating automated tests into CI pipelines.
• Investigating defects and working alongside developers to resolve them.
• Improving automation coverage and identifying opportunities to make testing more efficient.
• Supporting broader testing activities where required, including smoke, integration and end-to-end testing.
• Contributing as part of an Agile delivery team.

SDET, Python

• Designing and maintaining Java‑based automation test frameworks
• Developing and executing automated test suites using Selenium
• Embedding testing within CI/CD pipelines
• Working closely with developers to drive quality‑first approaches
• Contributing to automation testing strategies
• Identifying defects early and improving system reliability
• Supporting continuous improvement in testing practices

Automation Test Engineer

• Design and maintain automated test suites, evaluation scenarios, metrics, and test datasets for AI-powered features
• Automate QA workflows using Python and CI/CD (e.g., GitHub Actions, Jenkins), leveraging AI-powered testing tools to improve test development, maintenance, and coverage
• Create and maintain test harnesses for AI services, applications, and APIs
• Perform API testing for AI services and backend systems
• Define quality strategy and acceptance criteria for AI-powered applications across functional, API, integration, and AI/ML features
• Test AI/ML applications and machine learning models from a product and user perspective
• Evaluate AI/ML model outputs for correctness, consistency, and expected application behavior
• Define structured rubrics that translate qualitative findings into measurable evaluation gates
• Build quality gates for CI/CD and deployment pipelines, including automated regression and integration testing
• Mentor teams on QA automation best practices and consistent quality standards for AI-powered applications
• Contribute to multi-team projects and codebases, ensuring code quality and consistency
• Participate in code reviews and provide constructive feedback to peers
• Document and present findings and ideas across the company

Senior QA Automation Engineer – AI Applications

• Design, build, and maintain robust automation frameworks and test tooling across frontend and backend systems
• Write clean, efficient, production-quality code to extend test coverage and improve developer productivity
• Build and optimise quality gates within our CI/CD pipelines so issues are caught fast and early
• Partner closely with development teams to identify automation opportunities and bake testability into new features from the start
• Develop and maintain reliable unit, integration, end-to-end, and contract tests
• Conduct code reviews to uphold high standards for automation quality, reliability, and maintainability
• Monitor test performance, flakiness, and coverage, and continuously improve stability at scale
• Contribute to overall test strategy, planning, and process improvement initiatives
• Mentor engineers and champion automation best practices across teams

Test Engineer

• Establish hardware test methodologies, protocols and standards across RF, electronics, networking and mechanical products.
• Define test coverage requirements, acceptance criteria and quality gates for all product lines from prototype through production.
• Build scalable, documented test processes that enable repeatable quality verification and traceability.
• Design and build the hardware test laboratory with appropriate instrumentation, RF test equipment, and automation capability.
• Own equipment selection, calibration, validation and maintenance across the test environment.
• Develop test automation to improve efficiency and reduce cycle time.
• Build and lead a growing hardware QA team, attracting and developing high-calibre test engineers.
• Mentor engineers and establish a culture of quality discipline and technical excellence.
• Work closely with product, engineering, manufacturing and supply chain teams to translate quality requirements into scalable, practical and repeatable processes.
• Lead hardware quality assurance and testing activities across all product lines and stages of development.
• Identify issues early, escalate risks and provide the engineering team with actionable feedback.
• Ensure products meet specification, reliability and performance standards before shipping.

Principal Quality Test Engineer, Hardware

• Design and implement an automated testing framework covering both our AWS-hosted web app and our connected Salesforce native workflows.
• Automate end-to-end user journeys that cross platforms (e.g., actions initiated in our cloud web UI that trigger deployments or metadata backups inside Salesforce).
• Create stable UI tests for Salesforce Lightning that resist dynamic ID changes and effectively handle Shadow DOM components (using UTAM, Playwright, or enterprise testing tools).
• Develop robust API automation suites to validate real-time data integrations, webhooks, and secure queues running between AWS and Salesforce.
• Integrate the automated test suites cleanly into modern Git-based CI/CD pipelines.

Senior QA Automation Engineer – AWS, Salesforce

• Manage deployment of the Avionics & Test team according to resource demand from across the delivery streams.
• Responsible for the continuous improvement of our processes and tools in the Avionics & Test department.
• Responsible for the pastoral care and career development for the department.
• Lead the Avionics & Test department, including: Functional & Capability Leadership.
• Guide, or lead where appropriate, the team in their technical duties.
• Define and communicate “what good looks like” for avionics, integration, and test engineering across the organisation.
• Establish and maintain processes, standards, best practices, and technical governance aligned to industry (e.g. DO-178C, DO-254, ARP4754) where applicable.
• Establish and maintain fit-for-purpose tools for the Avionics & Test department, integrated with the rest of Engineering and the wider business.
• Promote cross-discipline collaboration (systems, air vehicle, software, manufacturing) to improve integration outcomes.
• Lead major technical reviews and assurance activities to ensure performance, safety, and airworthiness of delivered systems.
• Identify and remove inefficiencies, bottlenecks, and duplication across engineering workflows.
• Allocate and prioritise avionics & test engineers across delivery streams based on programme priorities and project demand signals.
• Maintain clear visibility of department allocation, utilisation, and skills coverage to ensure effective execution.
• Act as escalation point for delivery risks relating to avionics integration and test activities.
• Identify capability gaps and drive recruitment, training, and upskilling plans to build a high-performing, future-ready team.
• Coach, mentor and develop staff, including goal setting, performance management, and regular 1:1 engagement.
• Monitor team wellbeing and workload, ensuring sustainable pace and effective pastoral care.

Avionics – Test Engineering Manager

• Owning the design, writing and execution of test cases for the features you work on
• Building and maintaining automated tests using Playwright, and growing the reliability of our regression packs
• Identifying, reporting and helping resolve issues, working with engineers to get to root cause
• Collaborating with product and engineering to clarify requirements and feed in a testability perspective early
• Contributing ideas on test tooling, coverage and process improvements
• Keeping up with new testing tools and techniques, including effective use of AI tools

Software Developer in Test – SDET

• Help ensure the quality and reliability of the DataCosmos platform, testing everything from frontend interfaces and APIs through to data flows and platform behaviour.
• Defining and implementing testing strategies across platform features and releases
• Designing, building, and maintaining automated tests for frontend and backend systems
• Carrying out manual and exploratory testing across user journeys and edge cases
• Validating data flows, outputs, and platform reliability
• Collaborating with engineering and product teams to define acceptance criteria and test coverage
• Supporting CI/CD pipelines and improving automated testing within release cycles
• Identifying gaps in coverage and driving improvements in testing practices and frameworks
• Investigating defects across UI, API, and data layers
• Reviewing user and admin documentation to ensure clarity and alignment with system behaviour.

Test Engineer, Data

• Design, develop, and maintain test cases and test scenarios
• Execute functional, integration, regression, system, and release testing
• Develop and maintain automated test suites
• Verify REST APIs, messaging interfaces, and interoperability scenarios
• Analyze defects and support root cause investigations
• Create test plans, execution reports, and release verification documentation
• Support CI/CD testing activities
• Participate in Agile ceremonies and sprint planning
• Contribute to software quality improvements and testing best practices
• Support interoperability events and validation exercises

Senior Test Automation Engineer, Security Clearance

• As a Lead Test Engineer, you will play a critical role in ensuring the quality and reliability of our software solutions.
• You will work closely as part of the development team throughout the software lifecycle, embedding testing into every step of the process.
• Collaborating with others in the development team to integrate testing and a quality assurance mindset into the software development lifecycle.
• Define and implement structured testing practices, including automated and manual testing strategies.
• Design, develop, and maintain automated test frameworks and test suites using Python and Pytest.
• Develop and maintain automated front-end, backend, and API test frameworks using tools such as Cypress, Playwright, and Chai.
• Perform functional, non-functional, performance, and security testing.
• Ensure test processes are integrated into CI/CD pipelines for continuous quality assurance.
• Optimise testing for scalability, speed, and efficiency.
• Working with and supporting other Technical Leaders in project execution and timely delivery.
• Collaborating with client teams.

• Manage the development implementation and ongoing support of risk-based compliance testing.
• Identify non-compliance, risks and providing solution-based alternatives.
• Encompass certification testing as part of the standards enhancements.
• Execution of scripted solutions on multiple Digital Ticketing projects/enhancements/upgrades.
• Identify manage and implement manual and automation test scripts to ensure high quality output.
• Provide detailed technical input for automation across the test spectrum.
• Contribute to the development of test cases for new standards.
• Certification Testing with Suppliers and vendors, analysing outputs against Standards.
• Develop and execute continuous risk-based compliance testing.
• Implement and maintain a Non-Compliance Risk Register and develop recommendations.
• Provide testing support within the Test portfolio across multiple projects.
• Deliver Technical documentation and guides as required.
• Represent the DTS service at relevant Boards and forums.
• Build strong relationships with peers internally and externally.

DTS Compliance Test Engineer, 12m FTC

• Manage as directed technical and acceptance testing on multiple Programmes/projects/enhancements/upgrades.
• Support related activities to existing and inflight Digital Ticketing solutions.
• Support design and production of test cases, scripts, and plans across the project lifecycle.
• Identify, manage and implement a range of manual and automation test scripts.
• Manage all test issues through to completion including detailed analysis and resolution with stakeholders.
• Deliver technical documentation and guides as required.
• Ensure maintenance of a high-quality test environment.
• Assist with developing internal test practices complying with DTS practices and test strategies.
• Apply analytical skills to existing complex IT solutions.
• Build and maintain strong working relationships with stakeholders and customers.
• Execute tests in the Test portfolio across multiple projects.

SDET jobs in United Kingdom

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Senior Test Engineer – Public

Lead Test Engineer

Senior Software Engineer in Test, SDET

QA Test Engineer

Graduate Test Engineer

Engineer – Test Capability

Principal System Test Engineer

SDET, Python

Automation Test Engineer

Senior QA Automation Engineer – AI Applications

Test Engineer

Principal Quality Test Engineer, Hardware

Senior QA Automation Engineer – AWS, Salesforce

Avionics – Test Engineering Manager

Software Developer in Test – SDET

Test Engineer, Data

Senior Test Automation Engineer, Security Clearance

Lead Test Engineer

DTS Compliance Test Engineer, 12m FTC

DTS Test Engineer – 18M FTC