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'll be doing

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

Note: Detailed project information will be shared during the recruitment process.

What you get in return

Flexible cooperation model
Hybrid work setup – 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

Who we're looking for

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.

Ready to take the next step?

Submit your application! We look forward to reviewing your profile 😊

Know someone who might be a great fit?
Feel free to share this opportunity using the referral link: Mindbox Referrals System