Usability Engineer

Job description

We are seeking a Usability Engineer with deep knowledge in human factors, cognitive psychology, and behavioral UX. Plans, conducts, and analyzes formative and summative usability studies, including moderated and unmoderated tests. Performs heuristic evaluations, cognitive walkthroughs, and accessibility assessments. Collaborates closely with designers, developers, and product managers to improve user experience based on findings. Creates and maintains usability testing protocols, documentation, and research repositories. Defines and measures usability KPIs such as task success rate, error rate, and time on task. Advocates for evidence‑based design decisions and usability best practices across teams. Supports development of design systems and product guidelines with usability input. Helps train and mentor cross‑functional teams on usability principles and tools.

Requirements

• Bachelor’s or Master’s in Human Factors, Cognitive Science, Human‑Computer Interaction, Psychology, or related field
• 2–4 years experience in usability engineering, UX research, or similar role
• strong foundation in usability principles and testing methodologies
• experience with tools like UserTesting, Lookback, Maze, Hotjar, Optimal Workshop, or similar
• familiarity with design tools such as Figma, Axure, or Adobe XD
• strong statistical and analytical skills for interpreting test results
• experience documenting research and presenting to technical and non‑technical stakeholders
• understanding of WCAG accessibility guidelines and inclusive design.

Skills