Top Front End Developer Jobs in Poland

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.

Lead design-system development by building a shared React component library with tokens, theming, accessibility, Storybook docs, tests, CI/CD integration, and mentoring of engineers while collaborating with product and design.

Build and maintain production front-end features with React and Next.js, implement responsive UX, integrate with REST APIs, improve architecture and performance, collaborate with backend and product, participate in code reviews, and work fully on-site in Mostar.

Build and scale developer-focused products and tooling using React and Electron; prototype quickly, contribute to open-source and community growth, work in a small cross-functional team, integrate with Kubernetes and cloud services, consume and design APIs (OpenAPI/GraphQL), and follow Git/GitOps, CI/CD and agile workflows.

Develop Grafana plugins, build UI components, and create an observability suite. Collaborate with engineers, architects, and stakeholders using JavaScript/TypeScript/React and backend languages (Java/Go). Work with GitHub and Linux; contribute to platform-level observability solutions.

The Frontend Engineer will design and maintain frontend applications, collaborate with teams, implement TDD, and ensure application performance.

Lead technical strategy for scalable CMS applications, optimize frontend infrastructure, oversee code quality, and enhance team productivity in a gaming-focused environment.

The Staff/Lead Fullstack Engineer will enhance the Mimica Webapp by architecting scalable UI components, managing large datasets, and optimizing performance while collaborating with cross-functional teams.

Responsible for developing and customizing frontend components in Magento 2, integrating with backend systems, ensuring accessibility, collaborating on technical solutions, and optimizing frontend performance.

Full-Stack Engineer responsible for developing and maintaining front-end and back-end components, collaborating on product solutions, and improving user interfaces.

As a Full-stack Developer, you will own products in an Agile environment, focusing on building responsive UIs in Angular and back-end systems in TypeScript/JavaScript and C++. Your role includes end-to-end product development and collaboration with cross-functional teams.

Lead the Pro team to design, develop, and deliver frontend systems for Kraken's trading interface, focusing on user experience and mentoring engineers.

The Software Engineer will design and maintain payment processing systems, mentor other engineers, and ensure security in client transactions within the crypto ecosystem.

As a TypeScript developer, you'll write clean code, develop front-end solutions, and utilize various web technologies to enhance home design experiences.

The Senior Frontend Engineer at ClickUp will collaborate with backend teams to develop features, ensure code quality, manage projects, and resolve performance issues using Angular and associated technologies.

As a Staff Frontend Engineer, you'll develop features in Angular, collaborate with teams, manage project priorities, resolve performance issues, and ensure code quality through tests.

Lead the design and development of complex frontend systems at ClickUp, improving engineering velocity and mentoring other engineers.

Lead frontend engineering at ClickUp, defining architecture strategy, solving technical challenges, and mentoring teams for scalable web applications using Angular and React.

The Senior Frontend Engineer will build and enhance core product features using Angular 2+ and React, while collaborating with cross-functional teams to ensure high-quality delivery and performance. Responsibilities include writing reusable code, mentoring teammates, and addressing technical challenges.

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 Frontend Developer will lead the development of micro-frontend architectures, enhance team productivity with new tools, and ensure high-quality user experiences while collaborating in an agile, cross-functional environment.

Develop and maintain full-stack platform components (Node.js focus) for an event-driven SaaS testing product. Own requirements, implementation, testing, and maintenance; prioritize performance, scalability, security, and code quality. Work with NoSQL databases, cloud platforms, microservices, and AI-assisted development tools. Collaborate with teammates, contribute to design decisions, and ensure production test quality while continuously learning and improving workflows.

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.

Design and build platform features with a focus on high-performance components, working in a cross-functional team to meet timelines and quality standards.