Top Front End Developer Jobs in Hamburg

Build and maintain high-performance frontend features for desktop, mobile, and tablet web shops using React and TypeScript. Collaborate with product, UX, QA, and security teams to deliver customer-focused features from concept through deployment. Develop AI-assisted tooling, monitoring, A/B testing solutions, and deployment dashboards while addressing web performance, accessibility, security, observability, and architectural challenges.

Build and evolve Synthesia’s marketing website platform, including Astro components, Sanity schemas, design tokens, rendering, SEO, localization, and AI-assisted development tooling. Own features end to end across frontend, server-side systems, APIs, databases, and deployment infrastructure. Translate Figma designs into responsive, accessible experiences, maintain performance and analytics standards, and guide technical direction, code quality, and adoption across website stakeholders.

Lead front-end development for partner-facing financial web products, including embeddable onboarding modules, partner dashboards, and self-service workflows. Build complex multi-step forms and data-heavy interfaces with React and TypeScript, contribute to Node.js server layers, collaborate on API contracts, and work closely with product, design, and backend teams. Own features from design handoff through production release while maintaining multiple codebases and upgrading business-account APIs.

Build and polish complex interactive video-editing features for Studio, including transitions, color grading, element libraries, presets, and customizable keyboard shortcuts. Own frontend-leaning full-stack work from proposal through launch, collaborate in a fast-moving startup environment, and contribute to product decisions and marketing efforts. Deep backend expertise is not required.

Own and modernize SCAYLE’s websites, migrating from WordPress to a modern stack while building high-converting landing pages, onboarding flows, and checkout experiences. Lead technical SEO, GEO, performance optimization, analytics, A/B testing, and event tracking. Collaborate with Content, Product, and Demand teams, use AI coding tools, and create secure publishing workflows for non-technical stakeholders.

Owns growth engineering initiatives across acquisition and conversion journeys, including landing pages, signup, checkout, subscriptions, and product launches. Builds fast, accessible front-end experiences using TypeScript, React, and Next.js, while contributing to Kotlin or Python backend services. Partners with marketing, CRM, product, design, and analytics teams; runs A/B tests; measures conversion outcomes; contributes to the design system; and ships continuously with monitoring and testing.

Leads two distributed frontend engineering squads responsible for Grafana’s frontend platform and navigation. Owns team performance, hiring, planning, discovery, delivery, engineering direction, and customer outcomes. Partners with Product and Design, develops technical leaders, improves engineering workflows through AI and automation, and drives quality, security, reliability, accessibility, and operational excellence. Participates in engineering management on-call and helps shape frontend foundations, search, navigation, and multitenant capabilities.

Leads and mentors a frontend engineering team while remaining hands-on with coding, architecture, code reviews, and technical delivery. Owns migration to Nuxt.js and server-side rendering, performance engineering, Core Web Vitals, and technical SEO. Manages team performance, career development, and work allocation while collaborating with product, backend, and cross-functional stakeholders to deliver scalable, high-quality software.

Develop frontend interfaces and A/B experiments for a health-focused AI product using Vue 3, TypeScript, and Vite. Improve design systems and AI-assisted development workflows, own features from concept through production, collaborate across engineering, design, product, and analytics, and optimize performance, reliability, and development velocity using user data and experimentation results.

Develop and maintain responsive frontend applications using TypeScript, integrate APIs and services, implement UI/UX designs, optimize performance and scalability, apply frontend security and data protection practices, troubleshoot issues, participate in code reviews, and contribute to open-source privacy-focused projects.

Build high-traffic enterprise e-commerce interfaces with JavaScript, TypeScript, Vue 3, and Nuxt 3. Develop conversion-focused features, implement design systems, collaborate cross-functionally, and contribute to architectural decisions. Maintain code quality through reviews, automated and manual testing, and agile retrospectives. Ensure accessible, performant, and pixel-perfect implementations using Tailwind CSS, Vitest, and Playwright while participating in engineering knowledge sharing.

Build and own complex, high-performance frontend experiences for observability products using Angular or another major frontend framework. Lead frontend architecture, translate complex data into intuitive interfaces, collaborate cross-functionally, write tested production code, review code, mentor engineers, and drive features from concept through production.

Own the frontend architecture and implementation of a scientific experimentation platform. Build complex visualizations, workflow graphs, live monitoring, large result interfaces, and robust asynchronous workflows. Establish testing, review, component, and design standards while migrating to the Constructor React library. Work directly with physicists to translate scientific needs into usable interfaces and contribute to backend code when necessary.

Build and improve high-quality web products and reusable design-system components. Own frontend performance, including data loading, caching, server rendering, and streaming. Apply strong product judgment to complex UX problems and collaborate with designers, engineers, and product leaders. Work autonomously across products, establish frontend quality standards, and help elevate team practices through technical leadership and craftsmanship.

Build and operate production AI backend systems, including inference pipelines, orchestration layers, and reliable APIs. Optimize latency, throughput, caching, batching, and streaming while monitoring distributed services and responding to incidents. The role requires strong backend fundamentals, experience with high-throughput services, familiarity with LLM and multimodal inference, and the ability to debug systems under load.

Shape frontend architecture and technical direction across React, React Native, and a shared Nx monorepo. Own platform capabilities, shared libraries, design-system foundations, tooling, developer experience, performance, testing, migrations, and systemic quality improvements. Remain hands-on with implementation and investigations, partner across product, backend, and QA, and mentor senior engineers while improving consistency and effectiveness across teams.

Own complex frontend features across web and mobile using React, React Native, and TypeScript. Design reusable frontend architecture, diagnose rendering and performance issues, collaborate with product, backend, and QA, and maintain quality through code review and automated testing. Mentor colleagues, share knowledge, and contribute to weekly releases while owning work from problem definition through production.

Build and maintain user-facing features and interfaces for Restream web services. Design and implement UI and business logic, collaborate with product designers and engineers, perform code reviews, improve reliability and scalability, and evaluate emerging technologies.

Design and implement complex customer-facing frontend features using TypeScript and React. Provide technical leadership, mentor junior engineers, drive frontend architecture and best practices, improve performance and accessibility, partner with product/design, integrate with backend APIs, and manage technical debt and scalability.

Design, develop, and test user interfaces for mobile and web applications. Build reusable frontend code and libraries, translate user and business needs into functional solutions, debug and optimize applications, and collaborate with product management and user interaction designers. The role emphasizes end-to-end ownership, teamwork, adaptability, and converting ideas into implemented products.

Build and improve Restream’s web interfaces and user-facing features for the AI Clips team. Design UI and business logic, collaborate with product designers, participate in code reviews, improve system reliability, and evaluate emerging technologies. The role requires strong JavaScript and TypeScript expertise, advanced React knowledge, CSS preprocessor experience, and familiarity with backend development, cloud infrastructure, containers, and continuous deployment.

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.

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.