Senior Frontend (React) Developer (w/m/d)

Hamburg, Deutschland

Key Tasks & Responsibilities

  • Develop new components and features for our frontend applications
  • Profile and improve our frontend performance
  • Write readable, accessible and well optimized code
  • Document and refactor our frontend codebase
  • Write, audit, and improve our test coverage
  • Writing A/B (experimental) tests
  • Working in agile team environment
  • Be committed to the team
  • Collaboration and knowledge sharing on regular basis
  • Write about your work and contribute back to open source

Our requirements

  • Extensive experience working with a Javascript framework, preferably React
  • In-depth understanding of Javascript, the DOM, and relevant concepts
  • Proficiency with browser based debugging and performance testing
  • Good TypeScript knowledge and experience in writing React components with TypeScript
  • Understanding concepts of SSR, preferably experience with Next.js
  • Understanding of progressive web apps
  • Experience with some of the A/B (experimental) testing tools
  • Experience with a testing framework, preferably Jest
  • Knowledge of writing E2E tests
  • Experience using Git
  • Fluent with English

Nice to have

  • Understanding of different caching strategies (browser caching, in-memory, CDN…)
  • Writing automation scripts to reduce repetitive work
  • Experience with AWS ecosystem (S3, Cloudfront, AppSync, SQS, Amplify, DynamoDB)
  • Understanding Serverless architecture
  • Experience with writing Lambda functions

Our Offer

  • An international and dynamic company culture in the city center of Hamburg, the Northern capital of Germany
  • Responsibility from Day One in a motivated team
  • Flexible working hours, grants for public transport, free drinks & fruits, cruise & shopping discounts, company sports, team & company events on a regular basis
Hamburg,Deutschland,IT & Entwicklung,Vollzeit


Hamburg, Deutschland





Anna Maria Freund

HR Recruiting Manager
+49 40 609452759