Top Front End Developer Jobs in Berlin

Lead KoRo's unified product and engineering organization, owning customer-facing storefront, ERP/operations, integrations, and data platform. Set product vision and prioritized roadmap, drive commercial and operational outcomes, hire and develop senior leaders, ensure engineering delivery and reliability, scale into new markets, and embed experimentation and data-informed decision-making.

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.

Build and design high-quality frontend user interfaces and data visualizations for fintech products. Architect and develop the product from scratch, collaborate with designers and engineers, own release lifecycle, improve tooling and standards, mentor juniors, and help hire.

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.

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

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.

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.

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.

As a Senior Frontend Engineer at 8returns, you'll design and implement user interfaces, manage the entire frontend process, and collaborate with merchants and founders to enhance user experience.

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.

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.

The Senior Frontend Engineer will develop high-performance web interfaces, build modular components, integrate APIs, and collaborate with various teams to enhance user experience using modern development tools and practices.

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.

Develop and maintain Ubegos frontend products: mobile/web quest experiences, user and creator dashboards, admin panel, marketing features, and third-party integrations. Work in one-week Scrum sprints, perform code reviews, contribute to software architecture, and use modern frontend frameworks, relational databases, and AI-assisted coding tools.

Build, ship, and own major parts of the product UI using React and Next.js. Design and optimize responsive, accessible interactive experiences. Collaborate with product, design, and backend teams, contribute to frontend architecture, performance, and component library, and elevate product quality through pragmatic, fast-moving execution.

As a Frontend Engineer at voize, you will build scalable web interfaces, optimize processes, and collaborate with cross-functional teams to enhance nursing leaders' decision-making capabilities.

As a Cloud-Native Frontend Developer Intern, you'll assist in developing innovative software solutions, focusing on micro frontends and application deployment while working closely with experienced team members.

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.

Design, implement, and maintain frontend applications and internal tools. Own delivery of high-visibility features, collaborate with cross-functional teams, mentor peers, and ensure performant, accessible, polished user interfaces integrated with backend systems.

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.

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.

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