Position Details
Role: Software Development Engineer in Test (SDET)
Job Type: Permanent, Full Time
Location: Hounslow, Greater London
Advert start date: 04th December 2025
Advert closing date: 03rd January 2026
Annual Salary: £40,000 to £45,000 depending on experience
Hours: 37.5 Hours per Week (Monday to Friday)
Job Reference Number: FTL04122025
Job Description
Futuristic is seeking a Software Development Engineer in Test (SDET) who leverages strong software development skills to build automated testing solutions that ensure high-quality software delivery. This role involves designing and writing test scripts, developing robust automated test frameworks, and executing a variety of tests, including functional, performance, and security testing. The SDET will collaborate closely with development teams and contribute to CI/CD pipelines to support efficient and reliable release processes.
Responsibilities
* Design and develop automated test solutions: Architect, build, and maintain scalable automated test frameworks and reusable test scripts for functional, regression, integration, performance, and API testing.
* Ensure product testability: Improve software testability across systems by influencing design decisions, implementing automated UI and API tests, and embedding quality gates into CI/CD pipelines.
* Execute comprehensive testing: Perform both manual and automated testing—including functional, regression, performance, stress, security, and exploratory testing—across multiple platforms (web, mobile, tablet).
* Collaborate across engineering teams: Work closely with Software Engineers, QA Analysts, Architects, and DevOps to align requirements, validate test scenarios, and integrate automated testing early in the development lifecycle.
* Own defect identification and resolution: Investigate test failures, perform root‑cause analysis, report defects with actionable insights, and collaborate with developers to drive timely resolutions.
* Contribute to CI/CD strategy: Enhance CI/CD workflows by integrating automated tests, optimizing build and deployment pipelines, and ensuring reliable, fast delivery cycles.
* Test planning and coverage: Translate product and technical requirements into detailed test plans, test cases, and automated suites. Ensure robust coverage across microservices, components, APIs, and end‑to‑end workflows.
* Develop and maintain test automation for key technologies: Build automated tests for systems leveraging Java 11, Spring Boot 2.7, and Oracle 19; write high‑quality automation code using Java, Selenium, Playwright, WebDriver, Cucumber, JBehave, and Gherkin; use JavaScript/TypeScript to develop test frameworks with Playwright and Selenium.
* Performance testing: Design and execute performance and load tests using tools such as JMeter, ensuring systems meet reliability and scalability criteria.
* Frontend validation & web standards compliance: Conduct UI and functional testing to validate HTML, CSS, and overall user experience quality.
* API testing & data validation: Leverage Fetch API, RestAssured, or equivalent tools to validate service interactions, data flows, and microservices communication.
* Documentation excellence: Maintain clear, comprehensive documentation for test plans, strategies, frameworks, and results to ensure transparency and repeatability.
* Quality leadership & mentorship: Provide mentorship to junior team members, share best practices in automation, and influence overall quality strategy and tooling decisions.
* Continuous improvement: Champion improvements in QA processes, automation efficiency, tool adoption, and development workflows. Stay current with industry trends and emerging technologies in test automation and software quality.
Required Skills and Experience
* Minimum 10+ years of experience as a Software Development Engineer in Test (SDET) or similar role.
* Master’s degree in Computer Science, Engineering, or related field (or equivalent experience) — mandatory.
* Strong command of Core Java with the ability to write clean, scalable, maintainable automation code (background as a Java developer is highly desirable).
* Hands‑on experience with Selenium, BDD frameworks such as JBehave, and end‑to‑end testing tools (Playwright, Cypress, RestAssured).
* Strong understanding of microservices architecture, inter‑service communication, and distributed systems testing.
* Experience designing, executing, and maintaining tests for Java 11, Spring Boot 2.7, and Oracle 19 environments.
* Solid experience with CI/CD pipelines and tools like Jenkins, Git, GitLab CI, CircleCI, or Azure DevOps.
* Background in manual testing alongside strong automation expertise.
* Familiarity with performance testing tools such as JMeter, K6, or Gatling.
* Experience working in Agile methodologies (SCRUM, Kanban).
* Technical development background with coding skills in Java, C#, TypeScript, JavaScript, or similar.
* QA certifications (ISTQB, CSTE) are advantageous.
* Preference for candidates with stable, progressive career growth and developer‑to‑QA transition experience.
Desirable Skills
* Familiarity with cloud platforms (AWS, Azure, GCP).
* Experience with security testing or modern performance testing frameworks.
* Knowledge of containerized and microservices environments (Docker, Kubernetes).
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