Senior Test Engineer (Manual / API Testing)

We are looking for a motivated and proactive Test Engineer who is eager to learn new technologies and thrive in a fast-paced, challenging environment. You will join small, cross-functional Agile teams working under the “You Build It, You Run It” principle, contributing to end-to-end development and component support.This role offers the opportunity to work on a large-scale e-commerce platform for one of the largest building merchants in Europe. The project focuses on a full redevelopment of a legacy system into a modern, scalable platform with a strong emphasis on UX, responsive web design, and microservices architecture.The platform aims to eliminate vendor lock-in and leverage a modern open-source stack to deliver the future of e-commerce—featuring personalized user journeys, advanced search capabilities, customer data insights, smart advertising, and a headless CMS for efficient business operations.Project OverviewOur client is a leading multi-channel retailer of tools and building materials, operating:500+ branches in the UK90+ in the Netherlands23 in France19 in BelgiumRequirementsAvailability to work within UK business hours (08:00 – 17:00)4+ years of experience in integration and API testingSolid understanding of microservices and API architectureStrong experience in manual testingAbility to design and execute manual test scriptsExperience in writing test plans based on requirementsHands-on experience with:Test management tools (e.g., TestRail)Project tools (Jira, Confluence)Strong understanding of Agile methodologiesExperience testing across all stages of the SDLCExcellent communication and interpersonal skillsExperience with API testing tools (e.g., Postman)Nice to HaveExperience with Git or other version control systemsExperience defining test strategies and plans for mid-sized projectsExposure to cloud environments (GCP)Experience in the retail or e-commerce domainResponsibilitiesDevelop and implement effective testing strategies, tools, and techniquesWrite and maintain test plans and test cases for multiple systems (web, EPOS, warehouse management)Maintain and improve QA documentation and processesSupport testing and release activities across multiple Agile teamsValidate and reproduce production issues and bugsCollaborate closely with development teams to ensure a consistent end-user experienceTroubleshoot defects and perform root cause analysisMonitor QA metrics (test results, defect leakage, etc.) and identify improvementsAnalyze requirements to define test scenarios and edge casesWhy Join Us?At Intellias, technology is at the core—but people always come first. We foster a collaborative, forward-thinking environment where you can grow your technical expertise and make a real impact.We offer:A culture that supports innovation and continuous learningOpportunities to work with modern technologies and large-scale platformsA strong focus on professional development and career growthCompetitive, personalized benefits designed around your well-being