Top Front End Developer Jobs in Hamburg

Build and maintain data-rich dashboards and campaign management tooling using React and TypeScript. Implement data fetching with RTK Query and SQL, create visualizations, ensure test coverage with Jest and Cypress, use CI/CD with Docker and GitLab, promote reusable code via npm/yarn workspaces, and mentor junior developers while improving frontend architecture and maintainability.

Design, develop, and maintain scalable frontend applications using modern JavaScript frameworks. Collaborate with UX/UI designers, optimize performance and responsiveness across devices, conduct code reviews, mentor junior developers, and work within an agile team to adopt best practices and emerging technologies.

Design, build and maintain performant, scalable frontend features for desktop, mobile and tablet using React and TypeScript. Collaborate with product, UX and QA, own large projects end-to-end, improve frontend architecture and Core Web Vitals, ensure accessibility, write and review tests, optimize development workflows and CI/CD.

Design, build, and maintain Vue 3 frontend applications and a reusable component library. Own features end-to-end, collaborate with product, design, backend, and QA, optimize performance for enterprise-scale admin panels, implement testing with Playwright, integrate REST APIs, and improve AI-assisted engineering workflows using tools like Cursor and Claude.

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.

As a Frontend Engineer, you will build and enhance frontend solutions for financial configurations, develop internal tools, and create customer-facing interfaces, ensuring high performance and quality in financial applications.

Own and build high-traffic e-commerce frontends using TypeScript, Vue 3 and Nuxt 3. Implement UX and conversion-focused features, ensure pixel-perfect designs, maintain code quality with testing (Vitest/Playwright/Jest), collaborate across product and engineering, and contribute to architecture and design systems.

Lead frontend engineering for high-traffic eCommerce UIs using TypeScript and modern frameworks (Vue 3/React). Architect features to improve UX and conversion, drive projects end-to-end, collaborate with cross-functional teams, mentor peers, and participate in technical decision-making and retrospectives.

Lead UI Developer focusing on designing and developing user interfaces for SAP applications. Responsibilities include mentoring developers, collaborating with teams, and ensuring performance and accessibility of applications.

Build, test, and optimize responsive web applications using Next.js and React. Collaborate with designers and back-end engineers to implement high-performance, cross-browser UIs, manage state with Redux/Context API, integrate RESTful APIs, and debug front-end issues while following best practices and maintaining clean, scalable code in a remote team.

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 deliver web-based AI modeling tools, optimize frontend architecture, and collaborate on complex UI components.

As a Senior Frontend Engineer, you'll design and deliver React/TypeScript components, optimize performance, and lead frontend architecture for complex web apps.

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.

As a Senior Frontend Engineer, you'll lead the development of web apps using React and TypeScript, creating intuitive, data-driven UIs, while implementing best practices and performance optimization.

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.

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 evolve frontend platform primitives for a canvas-based workflow builder, improve real-time collaboration, optimize rendering and performance, own architecture and modularization, drive RFCs, mentor peers, and collaborate cross-functionally to enable scalable, high-performance user experiences across cloud and self-hosted deployments.

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.

Own and evolve the marketing website platform: design Sanity content schemas, build Astro components and design-token-driven UI, ensure accessibility (WCAG 2.2 AA), SEO, localization and performance, extend tooling for AI-assisted composition, and ship end-to-end features from schema to production.

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.

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.

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.