Fairphone is more than just a company - we are a global leader in sustainable, modular electronics, on a mission to change the electronics industry from the inside out. Built on strong social and environmental values, we are a diverse and inclusive team from all walks of life creating market consumer electronics that make a real impact. At Fairphone, you will find a supportive and safe space where everyone can be themselves, collaborate openly, and have the freedom to learn and grow - because that’s how we innovate and drive change together! So… are you a proactive, self-motivated team player who loves taking initiative and bringing positive energy? Do you thrive in a fast-moving start-up or scale-up environment? Are you a great communicator who values collaboration and embraces different perspectives? And most importantly, do you feel a strong connection to Fairphone’s mission and values? If you're nodding along and thinking, “Yes, that’s me!”, then check out our vacancy below! Please know that we acknowledge that we are living in a time where the use of AI can bring many efficiencies and support. However, we want to know the real YOU. Please try to limit the use of AI tools to generate answers to the application; we value authenticity and encourage you to use your creativity! Location: Amsterdam Hours: 40 hours per week Start: Asap Contract duration: The 1st 12-month employment contract with the possibility of extension to permanent Deadline to apply: We review applications on a rolling basis. Please apply as soon as possible, no later than 20.10.2026. The User Validation Engineer serves as the primary advocate for the end user throughout the product development and market lifecycle with the goal to deliver high-quality products at launch and monitor the product experience that delight our users until the end of support of our products. Your focus is to bring validation forward in the NPI, validating concept designs, low-fidelity prototypes, setting dogfooding, alpha, and beta testing programs and providing user feedback to facilitate achieving quality targets. Your Key Responsibilities Review early hardware and software concepts alongside Product Managers to identify usability risks early during concept and pre-development stages, defining explicit experience KPIs and acceptance criteria and metrics for every gate. You will support your insights by conducting user testing on among others, non-functional mockups and software user flows to validate design assumptions early. Define prototype, dogfooding, alpha, beta and regression test plans and scripts that support validation during development of software updates and hardware phases (EVT, DVT, PVT). Manage end-to-end beta program execution on our dedicated beta platform (including crash reporting tools), driving cohort recruitment, segmentation & tester engagement and future scale strategy. You will own prototype device distribution, samples software deployment, security protocols, and strict NDA compliance. Administer feedback collection tools, crash-reporting software, and telemetry collection systems. Synthesize qualitative feedback and quantitative telemetry into actionable reports for other teams and where needed you will translate your insights technical Jira. Translate post-launch market insights, customer support trends, and field reports into usability investigation testing. Build feedback loop with Product Managers and QA to address UX and functionality gaps in future software updates and future products. Your Key Objectives Drive development excellence and surface quality risks by establishing an early validation process and producing usability and user preference reports based on data that support product decisions at critical development milestones. Scale our user testing community, by nurturing an engaged and representative beta tester pool that delivers continuous, high-value field feedback on unreleased products and software updates. Translate usability market insights into a software and physical prototype testing strategy to analyze user experience and establish user experience quality targets for future products.