ReactJS Developer

At Mindbox we connect top IT talents with technology projects for leading enterprises across Europe. You will design and build a production React app with a rich, real-time chat experience using modern UI libraries and best practices. This is a greenfield opportunity to architect client-side state management , integrate streaming APIs, and deliver a high-quality user experience in a fast-evolving environment. Sounds like your kind of challenge? What you get in return Flexible cooperation model – choose the form that suits you best (B2B, employment contract, etc.) Hybrid work setup – remote days available depending on the client’s arrangements - 6 days a month from the office in Kraków or Warszawa Collaborative team culture – work alongside experienced professionals eager to share knowledge Continuous development – access to training platforms and growth opportunities Comprehensive benefits – including Interpolska Health Care, Multisport card, Warta Insurance, and more High quality equipment – laptop and essential software provided Daily tasks: - Develop and optimize a React + TypeScript chat application for production delivery - Implement real-time streaming UIs (WebSockets, SSE, etc.) - Use Tailwind CSS and modern UI component systems like shadcn/ui or Radix UI - Manage complex client-side state with best practices for performance and scalability - Leverage AI-assisted coding tools (Copilot, Cursor, Claude Code) to accelerate development - Collaborate with the product team to design and iterate on a polished UI experience Required Skills Strong experience in React + TypeScript for production apps Hands-on with Tailwind CSS and modern UI component libraries (e.g., Radix UI, shadcn/ui) Proven background in building real-time streaming UIs Expertise in managing complex client-side state (Redux, Zustand, Recoil, etc.) Comfortable using AI coding assistants as part of daily workflow Nice to Have Familiarity with Dynamics 365 / Dataverse (entities, activity types) Experience integrating streaming AI APIs (OpenAI, Azure OpenAI, SSE-based workflows) Joining this project you’ll become part of Mindbox – a tech-driven company where consulting, engineering, and talent meet to build meaningful digital solutions. We’ll back you up every step of the way, accelerate your development, and ensure your skills make a difference. Must have: React, TypeScript, Tailwind, CSS, UI, Redux Nice to have: AI, Azure