About the Role Join a small founding team building AI-powered software for private-market operations. You will lead the core product interface, shaping the design system and review workflows that help users understand and act on AI-generated outputs. 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 • 1 to 7 years of professional frontend engineering experience, with strong product judgment 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 flows. • Practical experience designing AI, machine learning, or LLM product features and interfaces. • Experience conducting user research and usability testing to inform product decisions. • Exposure to private markets or financial operations is helpful. • Comfort working closely with a small founding team and iterating based on stakeholder feedback. Compensation & Benefits Annual base salary: €70,000 to €110,000. Visa sponsorship is available. Location On-site in Berlin, Germany.