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19d ago

Senior Frontend Engineer - Platform Team(m/w/x)

Berlin
Full-timeWith Home OfficeSenior

Description

As a Senior Frontend Engineer on the Platform Team, you will craft scalable applications and collaborate closely with cross-functional teams. Your expertise will shape the product architecture and enhance the developer experience while mentoring others and driving impactful decisions.

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Requirements

  • 5+ years of experience building frontend applications
  • Fluency in TypeScript
  • Deep expertise in React (v19)
  • Experience building or maintaining custom Design Systems and component libraries
  • Familiarity with the testing pyramid and testing tools (Vitest, Playwright, or equivalents)
  • Understanding of UI/UX principles
  • Ability to operate in ambiguity
  • Experience in a startup or scaleup environment
  • 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
  • Familiarity with TanStack ecosystem
  • Experience with data visualisation (e.g., tables, charts)

Work Experience

5 years

Tasks

  • Build robust and scalable frontend applications
  • Collaborate with PMs, Designers, and QAs to deliver high-quality features
  • Lead technical decisions during the migration to modern React
  • Work with backend engineers on API contracts and validation generation
  • Enhance developer experience through tooling and documentation
  • Ensure performance and reliability of applications
  • Write meaningful tests across the testing pyramid
  • Participate in product discovery and design critiques
  • Take ownership of the frontend domain within the team
  • Drive alignment between design and development
  • Own and evolve the in-house Design System
  • Guide the team in architecture and performance decisions
  • Mentor and support fellow engineers

Tools & Technologies

TypeScriptReactVitestPlaywrightSvelteSvelteKit

Languages

EnglishBusiness Fluent

Benefits

Competitive Pay

  • Competitive compensation package including equity

Flexible Working

  • Flexible hours
  • Remote-friendly culture

Modern Equipment

  • Modern tech and work setup
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