Top Front End Developer Jobs in Warsaw

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

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.

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

Join an agile cross-functional team to design and deliver frontend features, improve performance, ensure operability and security, fix production issues, automate tests, and support rollout for enterprise fleet-management products.

Join an agile cross-functional team to design and deliver frontend features for fleet-management products. Responsibilities include solution design, development, performance and security improvements, production support, test automation, and collaborating with stakeholders to enable enterprise partner integrations.

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.

Own and build frontend features in a hybrid Angular/AngularJS and React codebase. Improve performance, drive architecture and code reviews, estimate and groom tasks, collaborate cross-functionally, support live-issue rotations, and integrate AI-powered functionality.

Own and evolve a shared design system: build high-quality React/TypeScript components, design APIs, documentation and Storybook, ensure WCAG 2.2 AA accessibility, enable AI-consumable component usage, implement theming and localization/RTL, and collaborate with design, product and engineering to drive adoption and developer experience.

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.

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.

The Frontend Product Engineer will develop and maintain the core booking engine, build user-facing features, write tests, and collaborate across various tech teams.

Design and evolve public REST and streaming APIs (OpenAPI), implement production frontend in React+TypeScript, integrate 3D glTF assets via three.js/react-three-fiber, build typed clients, runtime validation, mocks and contract tests, ensure streaming UI resilience, and collaborate with partners and designers on API and UX.

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.

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.