SDeT (Software Development Engineer in Test)

Collinson is a global loyalty and benefits company seeking a SDeT (Software Development Engineer in Test) to design, develop, and maintain test automation frameworks, define test quality standards, and drive quality across the software development lifecycle. The ideal candidate will have strong software development skills, a deep understanding of distributed systems, and the ability to influence quality across the entire SDLC.

Requirements

• Design, develop, and maintain test automation frameworks from scratch or extend existing ones
• Define and uphold the standards for test quality, ensuring consistency and confidence in our releases
• Write high quality, maintainable integration and end-to-end tests that follows production engineering standards
• AI-first mindset required: leverage AI assistants and tools as part of day-to-day SDET workflows (test design, automation, analysis, and continuous quality improvement)
• Build reusable test utilities, mocks, and simulators
• Contribute to and help evolve the overall test strategy for one or more products or services
• Partner with engineers, product managers, and delivery leads to embed quality thinking from day one, and not as an after-thought
• Design and oversee test strategies that combine automation, exploratory testing, and regression coverage
• Drive the implementation and evolution of automated testing frameworks, ensuring integration into our CI/CD pipelines
• Own the structure and health of test suites and regression packs, helping teams keep them lean, relevant, and valuable
• Actively test front-end, back-end, API, and distributed microservices using tools like Playwright, Jest, Supertest, Cypress, Postman, RestAssured and other modern frameworks
• Perform and organise performance testing with tools such as K6, JMeter
• Collaborate closely with cross-functional teams to ensure cross-squad functionality and integration is properly tested
• Get involved in the testing cycle, helping to investigate issues, write tests, support on manual QA, and signing-off changes
• Investigate defects and production issues; ensure fixes are validated through automation

Benefits

• Generous Paid Time Off
• 401k Matching
• Retirement Plan
• Visa Sponsorship
• Four Day Work Week
• Generous Parental Leave
• Tuition Reimbursement
• Relocation Assistance