React Senior Frontend Developer

Position Overview

Microservice Solutions GmbH seeks a Senior React Frontend Developer to develop and maintain scalable web applications for enterprise clients. This fully remote position requires extensive experience in modern React development and a proven track record of delivering production-ready applications.

Technical Responsibilities

• Develop and maintain complex single-page applications using React 18+ and TypeScript
• Implement state management solutions using Redux Toolkit, Zustand, or React Query
• Design and build reusable component libraries following atomic design principles
• Integrate RESTful and GraphQL APIs with proper error handling and data caching strategies
• Implement comprehensive testing strategies using Jest, React Testing Library, and end-to-end testing frameworks
• Optimize application performance through code splitting, lazy loading, and bundle optimization
• Conduct technical code reviews and provide constructive feedback to team members
• Establish and maintain coding standards, architectural patterns, and development workflows
• Collaborate with backend engineers to define API contracts and data structures
• Document technical decisions, component APIs, and system architecture

Required Technical Qualifications

• Minimum 5 years of professional software development experience with at least 3 years focused on React
• Expert-level proficiency in JavaScript ES6+ and TypeScript
• Strong understanding of React core concepts: hooks, context, component lifecycle, and reconciliation
• Hands-on experience with modern build tools: Webpack, Vite, or Turbopack
• Proficiency in CSS-in-JS solutions, CSS Modules, or utility-first frameworks (Tailwind CSS, styled-components)
• Experience with version control systems (Git) and branching strategies (Git Flow, trunk-based development)
• Solid understanding of web performance optimization techniques and browser rendering behavior
• Knowledge of responsive design principles and cross-browser compatibility requirements
• Familiarity with CI/CD pipelines and automated deployment processes
• Strong analytical and problem-solving capabilities
• Fluent in English (written and verbal); German proficiency is advantageous
• Legal authorization to work in Switzerland or EU

Preferred Technical Qualifications

• Experience with Next.js, Remix, or other React meta-frameworks
• Knowledge of server-side rendering (SSR) and static site generation (SSG)
• Proficiency with React ecosystem libraries: React Router, Formik/React Hook Form, date-fns/Day.js
• Experience with monorepo tools (Turborepo, Nx) and microfrontend architectures
• Familiarity with Web APIs: Web Workers, Service Workers, IndexedDB, WebSockets
• Understanding of accessibility standards (WCAG 2.1) and implementation best practices
• Experience with design systems and component documentation tools (Storybook, Docusaurus)
• Knowledge of Node.js and backend technologies for full-stack collaboration
• Contributions to open-source projects or technical publications

Compensation and Working Conditions

• Competitive salary commensurate with experience and Swiss market rates
• Fully remote position with flexible working hours
• Modern technology stack and development tools
• Professional development budget for courses, conferences, and certifications
• Opportunity to work on technically challenging projects across multiple domains
• Collaborative engineering culture with emphasis on code quality and continuous improvement

Application Process

Qualified candidates should submit their application including CV, GitHub profile or portfolio, and a brief cover letter outlining relevant experience. Applications will be reviewed on a rolling basis.