Top Front End Developer Jobs in Krakow

Build and maintain Angular-based UI components for Alternatives fund services platforms. Responsibilities include implementing features from designs, estimating tasks, writing unit and integration tests, integrating backend APIs, using CI/CD pipelines, debugging production issues, documenting components, participating in code reviews, and working within distributed Agile teams.

Build and own frontend delivery for AI chat and agent experiences using React and TypeScript. Develop scalable micro-frontends, reusable libraries, accessible interfaces, streaming interactions, and modular architecture. Lead testing, performance, CI/CD, and component lifecycle practices while collaborating with product, UX, and backend teams. Mentor engineers and establish frontend engineering standards across a cloud platform.

Develop and maintain full-stack software features for Cisco Webex, with emphasis on Angular frontend components and Java, Node.js, and Python microservices. Participate in design, code reviews, testing, performance optimization, observability, and cross-functional collaboration with product, SRE, and DevOps teams. The role contributes to scalable, reliable partner-network solutions while using AI-assisted development tools and supporting continuous learning.

Develop and maintain responsive frontend applications using TypeScript, integrate APIs and services, implement UI/UX designs, optimize performance and scalability, apply frontend security and data protection practices, troubleshoot issues, participate in code reviews, and contribute to open-source privacy-focused projects.

Build responsive, performant, accessible web applications; make frontend architecture decisions; write unit and integration tests; maintain frontend-backend API contracts; improve engineering processes and tools; and collaborate cross-functionally. The role requires strong JavaScript and frontend expertise, including TypeScript, React, Next.js, HTML5, CSS3, testing libraries, RESTful APIs, Figma, usability, and user experience.

Develop and maintain distributed systems for internal and external clients, including frontend and backend applications. Responsibilities include technical design, coding, configuration, unit and performance testing, defect resolution, production support, troubleshooting, code reviews, continuous integration and deployment, and technical guidance for junior developers. The role also researches technologies, develops proofs of concept, documents designs, and promotes engineering best practices.

Own Restate’s frontend product experience, building fast, accessible, secure interfaces for monitoring durable workflows and distributed systems. Develop data-intensive timelines, charts, filtering, search, live updates, client state, and shared components. Collaborate directly with design, engineering, and founders from concept through production. Improve performance, usability, testing, information design, and safe handling of untrusted content while contributing to API and backend discussions when needed.

Build and improve high-quality web products and reusable design-system components. Own frontend performance, including data loading, caching, server rendering, and streaming. Apply strong product judgment to complex UX problems and collaborate with designers, engineers, and product leaders. Work autonomously across products, establish frontend quality standards, and help elevate team practices through technical leadership and craftsmanship.

Develop and maintain React.js user interfaces, reusable components, and front-end libraries. Optimize application performance across browsers and devices, translate designs into code, collaborate with product and backend teams, write tests, debug production issues, and maintain modern React development practices and tools.

Build core web experiences for Chat, Notes, Calendar, Docs, and Sheets. Own frontend architecture, complex interactive features, real-time collaboration, rich-text editing, scheduling, spreadsheets, streaming AI integrations, performance, accessibility, and reliability. Collaborate with product, design, backend, and AI teams to take features from concept through production.

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.

Lead frontend architecture and development of shared UI infrastructure, design systems, and micro frontend strategies using React and TypeScript. Partner with architects, product, UX, and engineering leaders to deliver scalable, accessible, performant interfaces. Establish testing, CI/CD, versioning, and documentation standards; mentor engineers; conduct architectural reviews; and explore AI-enhanced UI/UX capabilities across a cloud-native platform.

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

As a Senior Frontend Developer, you will work with React and Angular, manage a frontend team, mentor juniors, and design architecture while focusing on testing and quality assurance.

Seeking a Frontend Developer with 2+ years experience, proficient in React, JavaScript, and Node.js, with strong communication skills.

The Frontend Developer will work on diverse projects using ReactJS and related technologies, contributing to agile development and team collaboration.

Lead a cross-functional team of frontend and backend engineers building scalable consumer experiences across mobile and client platforms. Own end-to-end UX delivery, partner with Product and Design, uphold engineering standards, improve usability and performance, mentor engineers, and strengthen agile delivery using metrics such as DORA and cycle time.

Develop and deliver innovative HR Tech SaaS solutions, collaborate with product teams, participate in Agile practices, mentor peers, and ensure high-quality standards.

Design, architect, implement, and maintain React and TypeScript web applications. Develop responsive HTML/CSS pages and email templates optimized for SEO and Core Web Vitals. Write unit and integration tests, solve technical challenges, collaborate with the team, and take ownership of project delivery. Preferred experience includes Redux, React Query, Jest, Cypress, and SSR/SSG frameworks such as Next.js, Astro, or Remix.

Lead technical execution for a frontend team building an enterprise low-code platform: implement and review code, define testing and AI-first workflows, enforce quality standards, mentor engineers, drive CI/CD and developer experience improvements, coordinate integrations, and manage technical debt and planning inputs.

Design, build, and maintain consumer-facing features across web (React) and mobile (React Native). Own product lifecycle from discovery through release, monitoring, experimentation, and iteration. Drive A/B testing and feature-flag strategies, make architectural decisions, ensure accessibility/performance/testability, mentor engineers, and collaborate with Product, Design, Data, and Platform teams.

Own complex frontend features across web and mobile, design React and React Native systems, improve rendering and runtime performance, and build reusable abstractions. Collaborate with product, backend, and QA teams to deliver simple user experiences. Maintain quality through code reviews and unit, end-to-end, and visual-regression testing. Mentor colleagues and help raise frontend engineering standards.

Shape frontend architecture and engineering direction across React, React Native, and shared monorepo teams. Own platform capabilities, shared libraries, design-system foundations, developer tooling, performance, testing, migrations, and developer experience. Diagnose systemic web and mobile issues, remain hands-on with implementation and technical investigation, influence cross-team decisions, partner with product and QA, and mentor senior engineers. This is an individual contributor role focused on sustained organizational impact rather than people management.

The Frontend Developer will create high-quality game front-ends using TypeScript and React, enhancing existing features and ensuring performance while collaborating with the development team.

Build and modernize Productboard’s frontend platform, migrating its legacy design system to Spark UI. Design AI-ready module boundaries, API contracts, documentation, and agent workflows involving tool use and autonomous execution. Develop high-performance React applications, validate experiments with users, collaborate with product and design teams, own features through production, mentor engineers, and share engineering knowledge across the organization.