Senior Frontend Engineer - Platform Team; m​/f​/d

bunch 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.

We are looking for a Senior Frontend Engineer to join our Platform Team
. This is a role for someone who wants to play a pivotal role in growing our business and transforming the private markets industry.

You’ll be at the forefront of building the frontend experience that powers bunch’s platform. 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 architecture, maintaining our Design System, or implementing platform features from scratch, 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.

• Build robust, scalable, and well-tested frontend applications using modern frontend frameworks and our in-house Design System and component library

• Collaborate with PMs, Designers, and QAs in the Platform Team to ship high-quality features quickly

• Lead technical decisions in our ongoing migration from Svelte to modern React

• Collaborate with backend engineers on scalable API contract and type-safe validation generation

• Improve DX through tooling, testing infrastructure, and documentation

• Ensure a great developer experience and continuously improve performance and reliability

• Write meaningful tests across the pyramid

• Actively shape product solutions by participating in discovery, feedback rounds, and design critiques

• Take ownership of the frontend domain within the Platform Team and influence platform-wide decisions

• Drive alignment between design and development, and collaborate on challenging UX cases

• Own and evolve our in-house Design System alongside the design team

• Guide the team in architecture and performance decisions

• Mentor and support other engineers

To thrive in our Platform Team, you combine a love for building excellent UIs with a pragmatic, product-first mindset and strong frontend platform expertise. 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 of experience building frontend applications with demonstrated platform engineering expertise

• Are fluent in Type Script

• Have deep expertise in React (we use v19)

• Have experience building or maintaining custom Design Systems and component libraries

• Are familiar with the testing pyramid and testing tools (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 form libraries (e.g., React Hook Form) and form validation tools (e.g., zod**)**

• Svelte/Svelte Kit experience

• Experience working in monorepo architectures

• Familiarity with Tan Stack ecosystem

• Worked with data visualisation (e.g., tables, charts)

We strive to keep our technology stack simple, modern, and maintainable.

• Frontend
  :
  Svelte + Svelte Kit but moving towards React + Tan Stack, Type Script, MeltUI (headless components) but moving towards Shadcn, Felte + zod

• Testing
  :
  Vitest (unit), Playwright (E2E)

• Design System
  :
  Custom-built (MeltUI)

• Backend
  :
  Node.js, NestJS, MySQL, Sequelize

• Infrastructure
  :
  Kubernetes (K8S) on top of AWS

• Third-Party Applications:

  • Fusion Auth for authentication
  • Retool for low-code internal frontend solutions
  • Twilio and Send Grid for sending SMS and emails
  • Tally for creating custom forms

• Become one of the key builders of our platform and shape our frontend culture

• Work with a highly collaborative Platform Team that values design, developer experience, and pragmatic delivery

• Flexible hours, remote-friendly culture, and 28 vacation days…