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.

Build and ship intuitive frontend features for Aurora's Physical Design CAD and 3D canvas. Collaborate with product, design, and backend engineers to design, implement, test, and support production features. Improve frontend architecture, tooling, and reliability, participate in on-call rotation, and mentor peers.

Design and build reusable, high-performance frontend components and platform features (notifications, chats, admin panels, translations). Collaborate with product, design, and backend teams to deliver scalable Angular/TypeScript solutions, provide technical leadership, and ensure quality and performance in an agile environment.

Perform exploratory and regression testing of Kotlin language features and compiler frontend changes; localize and report bugs; contribute automated tests; plan testing with developers; create and debug small test programs; work with IDEs, VCS, bug trackers, and CI systems.

Looking for a Senior Front-end Engineer with expertise in JavaScript/TypeScript and React.js to develop UI components and observability suites. Experience with various technologies, observability engineering, and a strong team player mentality is essential.

As a Frontend Engineer, you will build and enhance frontend solutions for financial configurations, develop internal tools, and create customer-facing interfaces, ensuring high performance and quality in financial applications.

Lead modernization of Angular-based microfrontend architectures, build shared UI component libraries and frontend tooling, implement real-time client communication with SignalR and RxJS, integrate secure authentication (Microsoft Entra ID / MSAL / SSO), improve performance, accessibility and observability, and collaborate across product, UX, and backend teams to deliver scalable, high-quality client-facing web applications.

The Frontend Engineer will develop a graphic interface for a SaaS simulation platform, requiring strong software engineering skills and proficiency in Angular, HTML, and CSS.

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

Develop Grafana plugins, build UI components, and create an observability suite. Collaborate with engineers, architects, and stakeholders using JavaScript/TypeScript/React and backend languages (Java/Go). Work with GitHub and Linux; contribute to platform-level observability solutions.

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.

Full-Stack Engineer responsible for developing and maintaining front-end and back-end components, collaborating on product solutions, and improving user interfaces.

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.

Design, build, and optimise scalable front-end features using React and TypeScript. Translate UI/UX designs into accessible, responsive components; own front-end architecture; integrate REST APIs; profile and fix performance issues; participate in code reviews, sprint planning, and production debugging to improve reliability.

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

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

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.

Own frontend features end-to-end for a React/TypeScript application: design, prototype, build, test, and maintain accessible, mobile-responsive, performant UI using SWR and styled-components while collaborating with product, design, and backend teams.

Develop and maintain backend services and frontend interfaces for internal InfoSec tooling focused on asset tracking, vulnerability lifecycle management, and attack surface visibility. Leverage AI-driven development tools, participate in code reviews and architecture planning, produce technical documentation, and engage in agile ceremonies to drive delivery.

Develop and maintain customer-facing web applications using TypeScript and React. Collaborate with backend engineers, PMs, and UX designers in Agile teams. Apply testing, clean architecture, and code-quality standards. Monitor production systems and contribute to CI/CD processes for long-term projects.

Build and enhance responsive React-based web applications, collaborate with designers and backend teams, integrate with APIs (REST/GraphQL), optimize performance, ensure quality with QA, and create reusable, well-documented frontend components.

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.