Hybrid Senior Frontend Engineer – Platform Team

Posted 9 hours ago

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About the role

  • Senior Frontend Engineer for a platform team in a fintech startup. Building scalable applications with React and TypeScript to transform private markets.

Responsibilities

  • 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

Requirements

  • 5+ years of experience building frontend applications with demonstrated platform engineering expertise
  • Fluent in TypeScript
  • Deep expertise in React (we use v19)
  • Experience building or maintaining custom Design Systems and component libraries
  • 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
  • Experience in a startup or scaleup environment

Benefits

  • Flexible hours, remote-friendly culture, and 28 vacation days per year
  • Competitive compensation package including equity
  • A modern tech and work setup with all the tools you need

Job title

Senior Frontend Engineer – Platform Team

Job type

Experience level

Senior

Salary

Not specified

Degree requirement

Bachelor's Degree

Location requirements

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