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August 8, 2026

React JS Developer for Chat Application Project

Mid • Hybrid

Krakow, MA, Poland

Summary

The React Developer role focuses on building a production-grade React web application designed for an enhanced chat experience, contributing significantly to the project's success.

What we offer:

Start date: ASAP

Type of contract: B2B Contract

Work Model: Hybrid (6 times per month work from office in Cracow)

Salary grids: up to 160 zł/h

Responsibilities:

  • Develop and maintain a production-level chat application using React.

  • Implement features to manage complex client-side states effectively.

  • Utilize modern design systems like Tailwind CSS, plusshadcn/ui, or Radix UI.

  • Leverage AI-assisted coding tools to enhance productivity and application functionality.

  • Collaborate closely with stakeholders to ensure the product meets business requirements.

Key Requirements:

  • Strong production experience with React and TypeScript.

  • Proven ability to build real-time streaming UIs.

  • Experience managing complex client-side state.

  • Familiarity with AI-assisted development tools such as Copilot, Cursor, or Claude Code.

Nice to Have:

  • Experience with Dynamics 365 / Dataverse.

  • Knowledge of streaming AI APIs (OpenAI, Azure OpenAI, SSE-based LLMs)

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