Senior React Engineer – Real-Time Chat Application

Unleash the Future of Interactive Communication — Create Cutting-Edge Real-Time Chat Experiences!

Krakow-based opportunity with a hybrid work model: 2 days in the office and 3 days remote.

Responsibilities

• Design and develop a robust, production-quality React chat application.
• Build real-time streaming user interfaces that facilitate instant communication.
• Manage complex client-side state to ensure fluid user experiences.
• Leverage AI-assisted development tools to enhance productivity and code quality.
• Collaborate closely with UI/UX designers and backend teams to ensure feature completeness.
• Optimize application performance and scalability.
• Integrate streaming AI APIs, including OpenAI and Azure OpenAI, to enable intelligent features.
• Maintain high standards of code quality, testability, and maintainability.

Requirements

• At least 5 years of professional experience with React and TypeScript.
• Strong proficiency with Tailwind CSS, shadcn/ui, Radix UI, or similar modern design systems.
• Proven experience building real-time streaming user interfaces.
• Comfort managing complex client-side state with modern state management solutions.
• Hands-on experience with AI-assisted development tools such as Copilot, Cursor, or Claude Code.
• Experience working with streaming AI APIs, including OpenAI, Azure OpenAI, and SSE-based LLMs.

Nice to Have

• Knowledge of Dynamics 365 or Dataverse, including entities and activity types.
• Additional experience with streaming AI APIs and integration.

Language

• Good command of English at a communicative level.

Eligibility

• Only candidates with an existing legal right to work in the European Union will be considered.

Apply with a CV, preferably in English, and a statement confirming consent to the processing and storage of personal data.