Top Front End Developer Jobs in Berlin

Own complex frontend features across web and mobile, design React and React Native systems, improve rendering and runtime performance, and maintain shared libraries and abstractions. Collaborate with product, backend engineering, and QA to deliver simple user experiences. Ensure quality through code review, unit, end-to-end, and visual-regression testing while mentoring colleagues and strengthening frontend engineering practices.

Shape frontend architecture and engineering direction across React and React Native product teams. Own shared libraries, platform capabilities, design-system foundations, developer tooling, performance, testing, state and data-flow strategy, and migration decisions. Diagnose systemic web and mobile issues, remain hands-on with implementation and investigations, partner across product, backend, and QA, and mentor senior engineers. Improve developer effectiveness, reliability, and product quality through durable technical mechanisms.

The Senior Frontend Engineer will lead the development of frontend features, ensuring high-quality delivery and collaboration with cross-functional teams. Responsibilities include architectural design, code reviews, and maintaining frontend systems while focusing on user experience and performance.

As a Front-End Web Developer, you will create responsive, user-friendly web applications, collaborating with designers and back-end developers to optimize user interfaces.

Build and maintain scalable React + TypeScript frontend applications and AI agent interfaces, integrate with backend APIs and AI systems, implement component-based architecture, ensure performance, accessibility, testing, and collaborate within a small cross-functional product squad.

Oversee product development, develop visual layouts and UI/UX, write reusable code, optimize applications, and collaborate with engineers.

Lead architecture and delivery of Zalando's B2B ZEOS platform: design scalable React/TypeScript frontends and Node.js services, drive micro‑frontend and SPA strategies, ensure secure AWS/Kubernetes deployments with OpenID/Okta, foster CI/CD, testing, and design system maturity, and align multi-disciplinary teams and stakeholders.

Join the ZEOS B2B Platform team to build React + TypeScript user interfaces within a micro-frontend and SPA architecture. Implement features end-to-end, collaborate on API contracts and design, maintain code quality and performance, use CI/CD, and operate production services with AWS/Kubernetes.

Support startup engineering teams as a front-end developer, building and maintaining applications with modern JavaScript frameworks and RESTful APIs. The role requires at least three years of professional front-end development experience, English proficiency, and agile methodology experience. Knowledge of databases, automated testing, and TypeScript is beneficial. Positions are primarily with innovative startups in Berlin and involve work within international teams.

The Frontend Engineering Intern will assist in building a web application using React, write tests, optimize performance, and collaborate with an agile engineering team.

Design and build publisher-facing web interfaces using TypeScript and React, integrate with backend via GraphQL and PHP, maintain and improve features and infrastructure, and collaborate with product, design, and engineering to deliver user-centric solutions.

Join a cross-functional team to build and maintain a React/TypeScript web application: develop UI features, review code, make architectural decisions, collaborate with UX and product, plan projects with stakeholders, and mentor junior developers.

The Software Engineer will build simulation and validation environments for autonomous air systems, focusing on frontend solutions and UI development for complex data visualization, human-autonomy integration, and real-time interfaces, while ensuring reliable code and performance.

Build high-traffic frontend interfaces using JavaScript and Vue.js, develop features that improve user experience and conversion, collaborate with developers, QA, managers, and designers, make architectural decisions, evaluate technologies, lead projects, distribute tasks, monitor progress, improve team processes, and share knowledge across the engineering community.

Build high-traffic frontend interfaces with JavaScript and Vue.js, develop features that improve user experience and conversion, collaborate with developers, QA, managers, and designers, make architectural decisions, evaluate technologies, lead projects, distribute tasks, monitor progress, contribute to retrospectives, and share knowledge across the engineering community.

Lead frontend development for a SvelteKit-based legal AI product: own product surfaces end-to-end, consolidate a component library, improve type safety and performance, build real-time human-AI UX (streaming, citations, source attribution), and mentor the team.

Lead frontend development and contribute across the full stack. Design, implement and maintain scalable microservices with Kotlin and TypeScript. Own services end-to-end from architecture to deployment, improve CI/CD, observability and IaC, and collaborate with marketing to deliver reliable tracking, billing and measurable marketing systems while promoting code quality and mentorship.

Lead frontend development for Zalando's ZEOS B2B platform: design and build modular React+TypeScript web applications, evolve micro-frontend architecture, own full delivery lifecycle, maintain CI/CD and cloud infrastructure (AWS/Kubernetes), implement secure auth flows, and mentor peers while collaborating with product and design to ensure scalable, high-performance partner-facing portals.

Develop and maintain SlideSync, a live streaming platform built on Ruby on Rails. The role focuses on frontend development, design, usability, and implementing new features, with occasional backend work. Responsibilities include writing maintainable code, collaborating with developers and customers, participating in code reviews and Kanban delivery, and contributing to automated testing using TDD and BDD practices. The position is full-time and on-site in Berlin.

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.

Design and build responsive WordPress themes and extendable plugins; research and customize plugins; implement backend and frontend features for sites ranging from one-pagers to e-commerce and gated portals; define scope with PMs, communicate status, fix bugs, and meet deadlines.

Design and build responsive, modern user interfaces using React/Redux and JavaScript/TypeScript. Deliver features from design to production, set up dev/test/prod environments, collaborate with backend developers, define project scope with PMs, and communicate progress to meet deadlines.

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.

Build and modernize Productboard’s frontend platform, migrating its legacy design system to Spark UI. Design AI-ready module boundaries, API contracts, documentation, and agent workflows involving tool use and autonomous execution. Develop high-performance React applications, validate experiments with users, collaborate with product and design teams, own features through production, mentor engineers, and share engineering knowledge across the organization.