About the Role Join a small founding team building AI-powered tools for private-market operations. You will shape the core interface that helps operations teams review and act on AI agent outputs, making complex workflows clear and trustworthy. What You'll Do • Develop and maintain design systems and UX patterns across the platform. • Build product interfaces that connect users with AI agents and data sources. • Create human-in-the-loop workflows for reviewing, approving, and acting on agent outputs. • Conduct user research with operations stakeholders and use findings to refine product features. What We're Looking For • One to seven years of professional frontend engineering experience. • Strong skills in TypeScript and React, plus proficiency with Tailwind CSS. • Experience developing, documenting, or evolving design systems for complex applications. • A track record building workflow-driven interfaces with review, exception handling, or approval flows. • Practical experience with AI, machine learning, or LLM product features, and the ability to communicate trust and clarity through interface design. • Experience conducting user research and usability testing. • Private-markets or financial-operations experience is helpful. Compensation & Benefits Base salary: €70,000 to €110,000 annually. Visa sponsorship is available. Location On-site in Berlin, Germany.