TL;DR

Senior Frontend Engineer (Fintech): Building the frontend experience that powers bunch's platform with an accent on UI/UX principles and cross-functional collaboration. Focus on leading technical decisions in the migration from Svelte to React, shaping architecture, and maintaining the Design System.

Location: Remote in Spain

Company

bunch is building the backbone of private markets, enabling next-gen fund operations with one integrated system that combines secure data infrastructure, AI-powered workflows and expert fund services.

What you will do

  • Build robust, scalable, and well-tested frontend applications using modern frontend frameworks and an in-house Design System.
  • Collaborate with PMs, Designers, and QAs to ship high-quality features quickly.
  • Lead technical decisions in the 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.
  • Actively shape product solutions by participating in discovery, feedback rounds, and design critiques.

Requirements

  • Have 5+ years of experience building frontend applications with demonstrated platform engineering expertise.
  • Are fluent in TypeScript.
  • 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.

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/SvelteKit experience.
  • Experience working in monorepo architectures.

Culture & Benefits

  • Remote work with quarterly meetings with the team.
  • Flexible hours, and 28 vacation days per year.
  • Competitive compensation package including equity.
  • A modern tech and work setup with all the tools you need.

Hiring process

  • First interview with Talent Team.
  • Hiring Manager Interview.
  • Technical Interview in the form of a technical conversation with two engineers.