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Fullstack Developer

yopeso.com Logo

Yopeso

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IT - Software Development

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Salary:

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Job Description:

We are looking for a Full Stack Developer to join our team and work on an open-source AI chat platform. You will help build and improve a modern application that integrates multiple AI providers and delivers a smooth user experience.

Job Responsibility:

  • Develop and maintain both frontend and backend parts of the application
  • Build new chat features and integrate AI providers
  • Work with React on the frontend and Node.js / Express on the backend
  • Design and optimize databases (MongoDB, PostgreSQL)
  • Implement real-time features (WebSockets)
  • Integrate AI models using modern protocols and standards (including MCP – Model Context Protocol)
  • Write clean, testable code and participate in code reviews
  • Deploy and maintain the application using Docker

Requirements:

  • 3+ years of Full Stack experience (JavaScript / TypeScript)
  • 2+ years of React experience
  • 2+ years of Node.js / Express experience
  • Hands-on experience with MongoDB
  • Experience with containerized applications (Docker)
  • Experience integrating AI systems using MCP or similar protocols
  • Strong problem-solving and debugging skills
  • Good communication and teamwork
  • Ability to work independently
  • Attention to code quality and detail
  • Interest in AI technologies

Nice to have:

  • Experience with real-time applications (WebSockets)
  • Kubernetes experience
  • Testing tools (Jest, Cypress, Playwright)
  • Experience with AI APIs (OpenAI, Claude, etc.)
  • Knowledge of RAG, LangChain, MCP servers/clients, or prompt engineering
What we offer:
  • Competitive remuneration
  • Remote work
  • 24 days off per year and floating days
  • Private clinic health services Regina Maria Medical Insurance
  • Flexible benefits through Up multibenefits platform
  • Referral bonus scheme
  • Team events, online or at the office
  • Training and development opportunities with allocated budget
  • Professional Certifications
  • Knowledge sharing context

Additional Information:

Job Posted:
January 15, 2026

Work Type:
Remote work
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