ReactJS Developer
Offer summary

(Summary generated by AI based on the full job description)

The project involves building a production React + TypeScript app with a real-time chat using Tailwind CSS and modern UI libraries like Radix UI, shadcn/ui. Responsibilities include developing streaming UIs via WebSockets and SSE and managing complex client-side state using Redux, Zustand, or Recoil. AI-assisted coding tools are used daily. Benefits include private medical care, Multisport card, insurance.

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ReactJS Developer

Company: Mindbox Sp. z o.o.

from: 16 June 2026
to: 16 July 2026
24 000 - 28 000net (+ VAT)/ mth.B2B contract (full-time)
Offer parameters
level:senior
working mode:hybrid
location:Kraków, Lesser Poland
Kraków, Lesser Poland

Requirements

Expected technologies

React.js
TypeScript
Tailwind CSS

Optional technologies

Redux
Zustand
Recoil
Dynamics 365
Dataverse
OpenAI
Azure OpenAI

Operating system

Windows

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)

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.

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 siteagile

This is how we work on a project

  • Continuous Deployment
  • Continuous Integration
  • issue tracking tools
  • testing environments
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.
Company

What we offer

  • 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

Benefits

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

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.
ReactJS Developer
24k–28k zł / mth. (B2B)
I apply to:
Mindbox Sp. z o.o.
Kraków, Lesser Poland
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