ReactJS Developer

About the project

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?

This is how we organize our work

This is how we work

• at the client's site
• agile

Your responsibilities

• 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.

Our requirements

• 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

Optional

• Familiarity with Dynamics 365 / Dataverse (entities, activity types)
• Experience integrating streaming AI APIs (OpenAI, Azure OpenAI, SSE-based workflows)

What we offer

• 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

This is how we work on a project

• Continuous Deployment
• Continuous Integration

Benefits

• sharing the costs of sports activities
• private medical care
• sharing the costs of professional training & courses
• life insurance

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.

Mindbox Sp. z o.o.

At Mindbox, we connect top IT talents with technology projects for leading enterprises across Europe.

Our focus is on matching your skills with work that matters – projects that use modern tech stacks, solve real business challenges, and give you space to grow. By joining us, you’ll deliver technology solutions for well-known brands, supported by the Mindbox team that values knowledge-sharing and continuous development. We make sure you have the tools, flexibility, and guidance to do your best work – and to keep moving forward in your career.