Top Front End Developer Jobs in Poland

Develop and maintain responsive, accessible frontend applications using JavaScript, TypeScript, React, and other modern frameworks. Own features from design through testing and delivery, write unit and integration tests, conduct code reviews, mentor engineers, collaborate with product and UX teams, manage Git workflows and CI/CD pipelines, and work with Docker-based environments. Contribute to sprint planning, technical design discussions, performance optimization, and continuous process improvement.

Own the frontend architecture and delivery of production Next.js applications for enterprise AI products. Build real-time LLM interfaces, semantic search experiences, knowledge graphs, and agentic builders while managing complex state and high-load performance. Maintain component libraries and design systems, ensure accessibility, localization, security, and cross-browser quality, and monitor production performance. Provide technical mentorship, code reviews, and clear product and architecture decisions.

Design, build, and optimize HTML5 mobile and web games using JavaScript. Collaborate with cross-functional teams to translate concepts into performant, cross-platform interactive experiences and participate in Agile development processes.

Build reliable, responsive React and Next.js interfaces from designs and API contracts. Implement reusable, accessible components, integrate REST APIs, manage application state, write unit and component tests, debug browser issues, optimize performance, and contribute to collaborative Git-based development workflows. The role requires independent delivery, defensive API handling, secure client-side practices, and maintainable front-end code.

Owns technical direction for complex frontend features using React and Next.js. Designs scalable architectures, reusable component libraries, state-management patterns, API integrations, graphics-heavy interfaces, mapping features, and performance optimizations. Leads testing, CI/CD, security, documentation, code reviews, mentoring, estimation, and technical discovery while ensuring accessibility, browser compatibility, and clean host-application integration.

Develop and maintain scalable React and TypeScript frontend applications in a Turbo monorepo, build Fastify backend utilities, and implement micro-frontend architecture with Module Federation. Create reusable UI components, type-safe APIs, and comprehensive automated tests. Maintain code quality with Biome and monitor performance and observability using OpenTelemetry and Prometheus. The role supports a banking-sector client in a flexible hybrid or remote Agile environment.

Build and maintain scalable, testable, and performant frontend applications in a fast-growing codebase. Collaborate with design, engineering, product, and sales teams to deliver product features. Contribute to design processes and maintain the design system while providing and receiving cross-functional feedback. The role requires strong frontend expertise, TypeScript and JavaScript framework experience, AI-assisted engineering proficiency, and willingness to grow into full-stack development.

Develops and maintains React-based web applications using JavaScript and TypeScript. Responsibilities include building features, optimizing performance and scalability, troubleshooting incidents, creating automated tests, integrating RESTful APIs, participating in code reviews, and collaborating with UX, QA, clients, and customer success teams. The role also involves applying DevOps practices and working with cloud technologies, distributed applications, databases, and messaging systems.

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 complex frontend features from concept through production using Angular or another major framework. Design scalable architectures, build high-performance data-intensive interfaces, collaborate cross-functionally, and make product and technical decisions. Write tested production-ready code, improve engineering practices, review code, mentor engineers, and use AI-assisted development effectively.

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.

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.

Build responsive, performant, accessible web applications; make frontend architecture decisions; write unit and integration tests; maintain frontend-backend API contracts; improve engineering processes and tools; and collaborate cross-functionally. The role requires strong JavaScript and frontend expertise, including TypeScript, React, Next.js, HTML5, CSS3, testing libraries, RESTful APIs, Figma, usability, and user experience.

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.

Develop and maintain full-stack software features for Cisco Webex, with emphasis on Angular frontend components and Java, Node.js, and Python microservices. Participate in design, code reviews, testing, performance optimization, observability, and cross-functional collaboration with product, SRE, and DevOps teams. The role contributes to scalable, reliable partner-network solutions while using AI-assisted development tools and supporting continuous learning.

Develop and maintain React.js user interfaces, reusable components, and front-end libraries. Optimize application performance across browsers and devices, translate designs into code, collaborate with product and backend teams, write tests, debug production issues, and maintain modern React development practices and tools.

Design, develop, maintain and optimize Java-based business applications and architecture within an Agile team. Support integrations, stabilization, testing, release planning, and environment management while ensuring software quality and compliance with standards.

Build core web experiences for Chat, Notes, Calendar, Docs, and Sheets. Own frontend architecture, complex interactive features, real-time collaboration, rich-text editing, scheduling, spreadsheets, streaming AI integrations, performance, accessibility, and reliability. Collaborate with product, design, backend, and AI teams to take features from concept through production.

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.

Develop and maintain distributed systems for internal and external clients, including frontend and backend applications. Responsibilities include technical design, coding, configuration, unit and performance testing, defect resolution, production support, troubleshooting, code reviews, continuous integration and deployment, and technical guidance for junior developers. The role also researches technologies, develops proofs of concept, documents designs, and promotes engineering best practices.

Design, build, and maintain scalable enterprise Angular applications. Collaborate with UX/product/backend teams to integrate REST APIs, create reusable components, optimize performance, ensure security, write tests (unit/integration/E2E), participate in code reviews, and support CI/CD and containerized deployments.

Develop user interfaces for mission-critical operations, focusing on map-driven web applications for monitoring and predicting flight trajectories.

Lead frontend software development projects, build and enhance web applications, troubleshoot complex issues, and optimize application security, performance, usability, and accessibility. Participate throughout the software development lifecycle, contribute to team knowledge, and collaborate in an international environment using React, TypeScript, HTML, CSS, Node.js, and Git.