(Senior) Full-Stack Engineer | Frontend-leaning | Platform Team (f/m/d) | Berlin

bunch https://www.bunch.capital/ is building the backbone of private markets. We are enabling next-gen fund operations with one integrated system that combines secure data infrastructure, AI-powered workflows and expert fund services. If you value ownership, growth through real responsibility, and working with a thoughtful, ambitious team, this role might be for you. YOUR ROLE You’ll join our Platform team as a Full Stack Engineer with a frontend focus, building the foundational product experiences and services that power bunch. We’re looking for someone who sees product development as a craft - a blend of technical excellence, user-centered thinking, and cross-functional collaboration. Whether you’re shaping frontend architecture, contributing to backend services, maintaining our Design System, or implementing features end to end, your work will have a direct impact on thousands of users managing billions in assets. We offer you freedom and ownership to build the right solutions and influence the product roadmap. TOP RESPONSIBILITIES - Build robust, scalable, and well-tested full-stack product features, with a strong focus on frontend quality, using modern frameworks and our in-house Design System - Collaborate with PMs, Designers, QAs, and Engineers in the Platform Core team to ship high-quality features quickly - Contribute to and evolve our frontend architecture, backend services, tooling, and design system - Ensure a great developer experience and continuously improve performance, reliability, and maintainability across the stack - Write meaningful unit and E2E tests - Actively shape product solutions by participating in discovery, feedback rounds, and design critiques ABOUT YOU To thrive in our Platform Core team, you combine a love for building excellent UIs with the ability to work confidently across the stack and a pragmatic, product-first mindset. You're a strong communicator, a team player, and someone who thrives in a growing, fast-paced environment where asking "why" is encouraged. You... - Have 5+ years (Senior) of experience building product applications across the stack, with clear frontend depth - Are fluent in TypeScript, comfortable with modern frontend frameworks, and able to contribute to NestJS backend services - Have experience working with Design Systems - for Senior: also experience building or maintaining custom ones - Are familiar with unit and E2E testing (Vitest, Playwright, or equivalents) - Understand UI/UX principles and care about building elegant, accessible, and usable interfaces - Can operate in ambiguity and turn loosely defined ideas into working software - Have experience in a startup or scaleup environment Nice to have: - Previous exposure to fintech or highly regulated domains - Experience with zod (or any other form validation tools) - Worked with data visualisations (e.g., tables, charts) OUR TECH STACK - Frontend: TypeScript and…