React Developer

You will:

• Design and implement new features across web and native user interfaces.
• Write clean, scalable, and maintainable code using modern frontend technologies and fixing bugs
• Collaborate with product, design, business stakeholders, and backend teams to deliver seamless, high-quality user experiences.
• Contribute to the core codebase and supporting infrastructure.
• Participate in code reviews to uphold high engineering standards and best practices.
• Optimize application performance, accessibility, and cross-platform compatibility.
• Research and experiment with emerging technologies, frameworks, and development patterns.
• Stay up to date with industry trends and introduce new ideas to enhance team efficiency and product quality.
• Develop and maintain reusable, scalable UI components for our unified design system.
• Ensure visual and functional consistency across web and native platforms, with a focus on accessibility.
• Stay current with internal tools, technologies, and programming languages.
• Share knowledge through documentation, peer learning, and collaborative sessions.

Oferta:

• Lokalizacja: Warszawa / Berlin; praca zdalna
• Zatrudnienie: przez apreel na zasadach B2B
• Stawka: do 160zł netto/ h
• Współpraca: 3 m-cez opcją przedłużenia
• Start: asap

Requirements:

• Knowledge/Experience:Minimum of 4 years of experience as a Frontend Engineer
• Previous experience working in cross functional teams
• Strong experience with clean code practices and testing
• Experience building scalable frontend architectures
• Familiarity with logging, monitoring, and debugging tools (e.g., Sentry)
• Background in mobile development (React Native)
• Deployment and DevOps experience is a plus
• End-to-end testing expertise using tools like Playwright, or WebdriveIO to validate real-world user scenarios
• Comfortable using AI-assisted development tools to ship high-quality code faster.

Technical Skills:

• React.js 18+
• Next.js 14+ (server-side rendering, App Router)
• React Native (nice to have)
• HTML, CSS, TypeScript
• Styled Components, Tailwind
• State Management Libraries (e.g., Redux, Jotai)
• Storybook
• Feature flag tools (e.g., GrowthBook)
• AWS, Docker, Kubernetes
• GitHub Actions, Cloudflare Pages

Personal attributes:

• Independent and Collaborative
• Communicative: Proficient written and verbal communication skills in English.
• Adaptable and Open-minded: Willingness to adapt and explore new approaches.
• Driven to build business fluency and customer focus