Top Front End Developer Jobs in Poland

The Senior Frontend React Developer will create robust UIs for AI-powered applications, ensuring performance and reliability while handling complex data and real-time interactions. Responsibilities include architecting Next.js applications, managing state, and integrating with backend services to enhance user experiences.

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

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 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.

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.

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

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

Own end-to-end features across Java backends and a TypeScript/Angular frontend for a multi-tenant SaaS platform. Design APIs, schema and queries (MySQL/ClickHouse), build performant UIs, write unit/integration/e2e tests, deploy via containers/CI-CD, and integrate LLM/agentic workflows to help users find and fix data quality issues.

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

Develop and maintain cross-platform React Native mobile apps for iOS and Android, implement features, integrate APIs and third-party services, optimize performance and UX, manage CI/CD with GitHub Actions, handle code signing and app store releases, and collaborate with product, design, backend and QA teams.

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.

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.

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.

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.

Maintain and enhance a mature financial CRM, advisory support platform, and client portal. Extend and customize features, debug business processes, resolve production issues, and contribute to product evolution while collaborating with a German-speaking 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.

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.

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.

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.