Top Front End Developer Jobs in Warsaw

Design and implement frontend features for the Fairmarkit platform, collaborating with cross-functional teams and ensuring high-quality, maintainable code.

Design and implement complex customer-facing frontend features using TypeScript and React. Provide technical leadership, mentor junior engineers, drive frontend architecture and best practices, improve performance and accessibility, partner with product/design, integrate with backend APIs, and manage technical debt and scalability.

Frontend-focused product engineer building high-quality SaaS user experiences. Work in cross-functional squads to own UI, interaction patterns, performance, accessibility, prototyping, instrumentation, and feature rollouts. Primary frontend work with openness to backend or mobile tasks, using AI-assisted coding and agile practices.

Build and maintain user-facing features and interfaces for Restream web services. Design and implement UI and business logic, collaborate with product designers and engineers, perform code reviews, improve reliability and scalability, and evaluate emerging technologies.

Develop modern mobile applications using React Native and TypeScript, optimize performance, conduct testing, and collaborate within Agile teams.

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.

Lead front-end BI strategy, develop advanced Power BI solutions, manage data models and security, integrate AI features, and collaborate with stakeholders.

Develop and maintain the React front end, integrate AI tools (Claude Code, MCP/FGMA), connect frontend to backend via APIs/cloud code, optimize performance and accessibility, review and maintain code quality, collaborate with CTO and designer, and own tasks end-to-end.

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

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 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.

Own and deliver core frontend features end-to-end, collaborate on architecture, build responsive user interfaces from scratch, mentor other developers, and ensure performant state management and build tooling for large-scale SaaS B2C products.

As a Frontend Software Engineer, you will build user interfaces for Amplemarket's sales platform, collaborating with co-founders and cross-functional teams to enhance product usability and user experience.