React Senior Frontend Developer

Microservice Solutions GmbH; United States; Remote; USD 120,000 - 160,000; Full time

Benefits offered by this job

Fully remote

Flexible hours

Professional development budget

Job summary

Microservice Solutions GmbH is seeking an experienced React/TypeScript developer to design and maintain scalable single-page applications. You will build reusable UI foundations, integrate APIs, and optimize performance while collaborating with backend teams.

The role emphasizes strong JavaScript/TypeScript skills, modern tooling, and accessible, responsive design. Fully remote work with flexible hours and opportunities for professional development are offered.

Qualifications

• Five+ years in software development with emphasis on React (three+ years).
• Strong JS ES6+ and TypeScript skills, including hooks and context.
• Experience with modern build tools (Webpack, Vite, Turbopack).
• Familiarity with CSS Modules, CSS-in-JS, or utility-first styling.
• Knowledge of web performance, responsive design, cross-browser behavior, and accessibility.
• Experience with Git and collaborative workflows.

Responsibilities

• Build and maintain production web apps with React 18+ and TypeScript.
• Implement state management and API integration (REST/GraphQL).
• Create reusable UI components and document interfaces.
• Improve performance via code-splitting and lazy loading.
• Define testing, coding, and architectural practices; review code.
• Coordinate with backend engineers on API contracts and data structures.

Skills

React

TypeScript

JavaScript ES6+

React hooks

Web performance

Git workflows

Tools

Webpack

Vite

Turbopack

CSS Modules / CSS-in-JS

Job description

Role overview

Develop and maintain production web applications, with an emphasis on scalable single-page experiences built with React and TypeScript. You’ll shape reusable UI foundations, API integrations, application performance, and engineering practices while working with backend colleagues.

Responsibilities

• Build and maintain complex applications with React 18 or later and TypeScript.
• Implement suitable state management and integrate REST or GraphQL APIs, including error handling and data caching.
• Create reusable component libraries and document their interfaces.
• Improve loading and runtime performance through techniques such as code splitting and lazy loading.
• Define and apply testing, coding, and architectural practices; review code and give constructive feedback.
• Coordinate with backend engineers on API contracts, data structures, and technical decisions.

Requirements

• At least five years of software development experience, including three or more focused on React.
• Strong JavaScript ES6+ and TypeScript skills, with a solid grasp of React hooks, context, and component behavior.
• Experience with modern build tools such as Webpack, Vite, or Turbopack.
• Familiarity with CSS Modules, CSS-in-JS, or utility-first styling approaches.
• Knowledge of web performance, responsive design, cross-browser behavior, and accessibility standards.
• Experience using Git and collaborative development workflows.

Nice to have

• Experience with Web APIs, design system documentation tools, Node.js, or backend collaboration.
• Open-source contributions or technical writing.

Benefits and work setup

• Fully remote work with flexible hours.
• The listing describes a professional development budget and work across technically challenging projects.