About the Role Join the Engineering team at an AI/ML company building applications that help researchers and domain experts create, review, and analyze research data. You will develop user-facing interfaces and backend services that support core research workflows. What You'll Do • Build interfaces for creating tasks, reviewing files and video, inspecting agent actions, and comparing experimental results. • Develop APIs and PostgreSQL data models for tasks, reviews, files, and experiments. • Connect applications to data pipelines and file storage with input validation, permission controls, and clear error handling. • Work with researchers and domain experts to improve workflows, investigate bugs, and maintain performance as datasets grow. What We're Looking For • At least 3 years of experience building and maintaining applications used by others, with 5 to 10 or more years preferred. • Strong TypeScript and React skills, or Python experience with a backend framework such as FastAPI, and willingness to work across the stack. • Experience designing APIs and working with SQL and relational databases such as PostgreSQL. • A practical approach to testing, debugging, and incorporating user feedback, along with initiative and collaborative problem-solving. • Experience with annotation tools, research software, or large dataset exploration is valuable. Familiarity with AWS, S3, background jobs, or frontend testing tools is also useful. Compensation & Benefits Competitive compensation plus equity. Visa sponsorship is available. Location On-site in Zürich, Switzerland.