Top Front End Developer Jobs in Poland

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

Design and implement complex, accessible Angular web applications. Own frontend features end-to-end, contribute to architecture and component libraries, integrate with REST APIs and microservices, optimize performance and security, support production systems, and mentor other engineers within an AWS cloud-native environment.

Build and ship frontend features for checkout and merchant dashboard using React and TypeScript, deploy to production, collaborate with Design, contribute to Python backend when useful, and participate in architecture and quality-focused engineering practices.

Lead front-end technical strategy across multiple teams for a complex, data-dense merchant platform. Own architecture, component systems, state management, performance, accessibility, and front-end observability. Mentor engineers, drive cross-team alignment, and partner with Product, Design, and backend engineers to deliver a cohesive merchant experience including the Primer AI Companion.

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.

Develop front-end applications using JavaScript and Angular, React.js or Vue.js. Ensure readable, high-quality code and design modern, responsive user interfaces while collaborating with client teams. Flexible full- or part-time work based in Krakow office.

This role involves designing, developing, and maintaining BI dashboards and reports using MicroStrategy, managing the platform, and collaborating with business users for effective BI solutions.

Develop and maintain modern, scalable frontend applications using React and TypeScript; build responsive, accessible (WCAG 2.1) UIs; collaborate with cross-functional teams; write clean, tested code (unit/integration/TDD); perform code reviews; work with REST APIs and CI/CD workflows; contribute to frontend best practices and technical improvements.

Build and own merchant-facing frontend projects end-to-end. Lead frontend architecture, produce RFCs/ADRs, create composable performant accessible UI, monitor production impact, respond to incidents, and mentor engineers while ensuring high code quality and measurable outcomes.

Join Cerebras Systems to optimize and develop frontend compiler infrastructure for PyTorch models on their unique wafer-scale AI platform, focusing on model representation and optimization.

Design and evolve frontend platform primitives for a canvas-based workflow builder, improve real-time collaboration, optimize rendering and performance, own architecture and modularization, drive RFCs, mentor peers, and collaborate cross-functionally to enable scalable, high-performance user experiences across cloud and self-hosted deployments.

Design and implement scalable, testable customer-facing web and mobile applications using modern frontend stack. Participate across the full development cycle, integrate third-party APIs and analytics, optimize SEO and PageSpeed, collaborate with product teams, and contribute beyond frontend when needed.

Freelance frontend developer to build web (React) and mobile (Flutter) apps, create and maintain component libraries/design systems, implement AI-ready code architecture and documentation, work within CI/CD workflows, and collaborate remotely with English communication.

Join Primer's Growth team to build self-serve merchant onboarding features. Ship React frontend dashboard work, deploy to production, monitor impact, collaborate with Design, and contribute to Python backend code when needed.

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.

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

Own and evolve the marketing website platform: design Sanity content schemas, build Astro components and design-token-driven UI, ensure accessibility (WCAG 2.2 AA), SEO, localization and performance, extend tooling for AI-assisted composition, and ship end-to-end features from schema to production.

Lead front-end development for a multi-module web platform from designs, build interactive data-rich UI components, consume REST APIs and OAuth flows, set front-end architecture and code standards, maintain version-controlled code, and collaborate with back-end developers to deliver a production-ready product on a fixed timeline.

Design and maintain a modular, high-performance frontend: implement a pixel-perfect design system, optimize rendering and bundle sizes, architect client-side state for real-time data, integrate complex APIs, and ensure global availability and operational readiness for a Web3 consumer platform.

The Senior Frontend Engineer will lead custom Shopify theme development, ensuring high-quality code and guiding team members in project execution.

Hands-on senior frontend engineer responsible for building and owning production-grade React/TypeScript UIs from Figma. Ship responsive, mobile-first features, complex forms, and tests; optimize performance and bundle size; define component patterns and frontend architecture; collaborate with Product, Design, and Backend; mentor juniors and maintain high quality standards in an AI-assisted remote workflow.

Own and build end-to-end features across Java backend services and a TypeScript/Angular frontend for a multi-tenant SaaS. Design backend APIs, schema and query-optimized MySQL models, implement performant UIs, write tests (unit/integration/e2e), ship agentic LLM-powered workflows, and collaborate directly with product, design, and customers.

Lead frontend work on a TypeScript/Angular product, owning component architecture, state management, performance, and tests. Build data-dense UIs and Storybook-driven components, shape APIs and implement backend Java endpoints when needed, mentor engineers, and ship agentic (LLM/AI-agent) features. Work directly with product, design, and customers to deliver end-to-end features.

Design and build scalable frontend platform infrastructure for AI products: reusable UI libraries, micro-frontend composition, AI context-sharing, testing and CI/CD improvements, accessibility and performance optimization, and mentor engineers.

Build and maintain high-performance Next.js/React TypeScript applications integrated with Headless WordPress. Develop reusable UI components, optimize frontend performance and SEO, ensure accessibility and responsive design, collaborate with Product/Design/Backend, integrate third-party services, and leverage AI tools to improve productivity.