Top Front End Developer Jobs in Berlin

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.

The Senior Frontend Engineer will manage the frontend codebase, enhance CI/CD pipelines, maintain shared libraries, and improve platform observability while collaborating with product teams to drive performance and reliability.

Lead frontend architecture and the migration from Svelte to React. Maintain the design system, improve performance, accessibility, testing, developer experience, and application architecture across teams. Drive cross-team initiatives, raise UX and UI quality, guide AI-enabled engineering practices, mentor engineers, and influence technical direction through collaboration, writing, and stakeholder alignment.

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.

Build and maintain full-stack product features with a frontend focus, contributing to frontend architecture, backend services, tooling, and a custom design system. Collaborate with product, design, QA, and engineering teams; improve performance, reliability, developer experience, and maintainability; and write unit and end-to-end tests. Senior engineers also influence architecture, own the design system, guide UX decisions, and mentor teammates.

Build and optimize ZOE’s customer-facing website using TypeScript, React, and Next.js, with a strong focus on accessibility, performance, responsive design, and design-system development. Collaborate with designers, analysts, and product teams on user experiences and A/B testing. Contribute to backend services using Kotlin or Python, support API development, write maintainable code, and ship production improvements regularly.

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.

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.

Own Restate’s frontend product experience, building fast, accessible, secure interfaces for monitoring durable workflows and distributed systems. Develop data-intensive timelines, charts, filtering, search, live updates, client state, and shared components. Collaborate directly with design, engineering, and founders from concept through production. Improve performance, usability, testing, information design, and safe handling of untrusted content while contributing to API and backend discussions when needed.

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.

Lead Vinted Marketplace’s frontend technology domain across Android, iOS, Web, and Design Systems. Set the frontend technology strategy, modernize and modularize platforms, improve developer velocity, strengthen releases and reliability, and elevate performance, accessibility, and UI quality. Manage four Engineering Managers and three Staff Engineers while influencing leaders across nine product domains and more than 40 teams to adopt platform-wide changes.

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.

Build and maintain frontend-leaning, full-stack Creative and Studio products using React and Next.js. Develop AI interfaces, UX/UI workflows, proof-of-concept products, integrations, and end-to-end features. Collaborate with Design, Engineering, Growth, and Sales; iterate based on user feedback; maintain scalable, secure infrastructure; process large datasets; and mentor less experienced engineers. The role emphasizes strong portfolio work and demonstrated software engineering ability rather than formal degrees or certifications.

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.

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.

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.

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.

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.