Top Front End Developer Jobs in Germany

The Staff/Lead Fullstack Engineer will enhance the Mimica Webapp by architecting scalable UI components, managing large datasets, and optimizing performance while collaborating with cross-functional teams.

Design and build responsive, accessible frontend interfaces using modern frameworks. Lead frontend development from concept through deployment, collaborate with backend engineers, designers, and product managers, and ensure application performance and quality across devices and browsers.

Lead frontend architecture and implementation using React, Next.js, Tailwind CSS and TypeScript. Use AI tooling daily to navigate codebases, collaborate with designers, optimize performance and integrate with backend APIs. Drive technical direction, conduct substantive code reviews, mentor engineers, and ensure production-grade rendering, testing, and accessibility.

Own and deliver end-to-end full-stack features with a frontend focus: improve UX and visual quality, build complex accounting platform functionality, extend Python/FastAPI and Django backend, use AI-assisted coding tools, and contribute to architecture and code quality in a small senior team.

Design, build, and maintain responsive, accessible frontend applications and reusable UI components. Collaborate with product designers, backend and AI teams to integrate APIs, optimize performance, ensure cross-browser compatibility, and uphold frontend best practices through code reviews and testing.

As a Senior Frontend Engineer, lead the development of responsive UIs for an AI platform, ensuring code quality and collaborating with teams to enhance features and tools.

Design and implement developer-facing UI from Figma to production using Hotwire (Turbo + Stimulus) and ViewComponents. Own the dashboard, API playgrounds, docs, marketing site, and data visualization. Optimize performance and bundle size, maintain a coherent component system, and ship polished, production-ready front-end with tests and CI/CD.

As a Senior Frontend Engineer, you'll create production-ready web components using React and TypeScript, optimize performance, and collaborate with teams to deliver complex UIs for AI applications.

Full-stack Developers at QuantCo build user interfaces for machine learning solutions, collaborating with data scientists and engineers to deliver actionable products.

Own end-to-end features across Java backends and a TypeScript/Angular frontend for a multi-tenant SaaS platform. Design APIs, schema and queries (MySQL/ClickHouse), build performant UIs, write unit/integration/e2e tests, deploy via containers/CI-CD, and integrate LLM/agentic workflows to help users find and fix data quality issues.

Lead frontend work on a TypeScript/Angular product, owning component architecture, state management, performance, and tests. Build data-dense UIs and Storybook-driven components, ship agentic (LLM) features, shape APIs and implement backend Java endpoints, write SQL, mentor engineers, and work directly with product, design, and customers to deliver end-to-end features.

Lead frontend engineering for AMBOSS's B2B Educator Tool: design and deliver features, set frontend best practices (testing, accessibility, performance), integrate AI coding agents into the workflow, collaborate with product and design, handle support requests, and mentor engineers to improve code health and delivery.

The Frontend Web Developer will create responsive web applications, collaborate with cross-functional teams, and optimize user interfaces using modern technologies. The role requires 3+ years experience in front-end development with proficiency in HTML, CSS, JavaScript, and frameworks like React or Angular.

Own and design the frontend architecture using React and TypeScript, deliver high-quality testable code, integrate A/B testing and feature-flag systems, collaborate with backend and product teams, mentor engineers, and drive product-quality and performance improvements.

Join Cerebras Systems to optimize and develop frontend compiler infrastructure for PyTorch models on their unique wafer-scale AI platform, focusing on model representation and optimization.

Design and own the front-end ecosystem using TypeScript and React (Next.js), building responsive, accessible, and high-performance web apps for developer and enterprise users. Implement advanced state management, observability, testing (unit, integration, E2E), CI/CD, internal component libraries, and support real-time interactions (audio/streams). Troubleshoot production client-side issues and shape product UX and architecture.

Lead frontend architecture and delivery for complex Web3/DeFi applications. Build UIs for lending, trading, staking, bridging, and stablecoins; mentor engineers; collaborate with founders, smart contract and backend teams; align with customers on scope and timelines; ensure performance, quality, and secure production-grade products.

Design and maintain a modular, high-performance frontend: implement a pixel-perfect design system, optimize rendering and bundle sizes, architect client-side state for real-time data, integrate complex APIs, and ensure global availability and operational readiness for a Web3 consumer platform.

Lead modernization of frontend architecture for React Native mobile apps and supporting React web surfaces. Improve performance, reliability, accessibility, developer experience, testing and CI/CD. Drive large-scale refactors, establish best practices, mentor senior engineers, and collaborate across backend, product, and design to deliver scalable, high-quality user experiences.

Design and implement modern, high-performance frontend applications within a headless CMS architecture using Vue.js/Nuxt. Influence system design and architecture, collaborate in cross-functional DevSecOps teams, ensure code quality, performance and security, and support continuous improvement and stakeholder alignment for large-scale customer platforms.

Design and implement modern, high-performance frontend solutions within a headless CMS architecture using Vue.js/Nuxt. Collaborate in a cross-functional DevSecOps team, influence system design and architecture, ensure code quality, performance and security, and work with product owners and stakeholders to deliver scalable customer-facing platforms.

Seeking a frontend developer with expertise in Typescript, React, and various CSS frameworks to drive the development of hybrid web2/3 applications, managing features from conception to deployment in a fast-paced startup environment.

Lead front-end engineer on the Mapper Team building scalable data-visualization and real-time multi-user front-end features. Own end-to-end projects, contribute to architecture and processes, mentor peers, participate in hiring, and deliver high-performance, testable, maintainable UI code.

Develop and maintain frontend components using TypeScript and Vue.js, write API clients, conduct testing, and improve UX.

Serve as a senior Java full-stack engineer building and maintaining backend services for blockchain applications, integrate APIs with React/Vue frontends, design scalable enterprise blockchain solutions, troubleshoot complex backend issues, and collaborate with cross-functional teams to apply best practices.