Product Engineer, Mid-Level

ABOUT THE ROLE Join a small founding team at an early-stage AI fintech company to build the core interface for private-market operations teams. You will shape the design system and human-in-the-loop experiences that help users understand, review, and act on AI-generated work. WHAT YOU'LL DO - Develop and maintain design systems and UX patterns across the product. - Build interfaces connecting users with AI agents and their data sources. - Create workflows for reviewing, approving, and acting on agent outputs, including exception handling. - 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, with strong product intuition and UX craft. - Hands-on experience with TypeScript, React, and Tailwind CSS. - Experience developing, documenting, or evolving design systems for complex applications. - A track record building workflow-driven interfaces with human review, exception handling, or approval steps. - Practical experience with AI, machine learning, or LLM product features, and the ability to design clear, trustworthy user experiences. - Experience conducting user research and usability testing to inform product decisions. - Private-markets or financial-operations experience is helpful, along with comfort working closely with a small team and iterating quickly. COMPENSATION & BENEFITS Salary range: €70,000 to €110,000 annually. Visa sponsorship is available. LOCATION On-site in Berlin, Germany.