Fullstack Engineer - Node/React/Typescript + AI Solutions

Senior • Hybrid

23,000 - 30,000 USD

Warsaw, Poland

Fullstack Engineer - Node/React/Typescript + AI Solutions

We are looking for an experienced Fullstack Engineer to build AI-powered solutions and shape how AI is used across modern systems.

What you’ll do:

Develop AI-driven features using LLMs
Integrate AI APIs into backend and frontend applications
Design scalable APIs and AI workflows (prompting, orchestration, response handling)
Build hybrid solutions combining AI and business logic
Collaborate with Data Engineers and other teams

Requirements:

5+ years with TypeScript & Node.js (APIs, integrations)
2+ years with React (or Next.js)
Experience with cloud (preferably GCP) and PostgreSQL
Experience building AI-powered applications (LLMs, APIs)
Strong prompt engineering & AI workflow design skills
Understanding of AI limitations and best practices

Nice to have:

RAG, embeddings, vector databases
LLM frameworks (e.g. LangChain)

Link Group

Link Group is a company operating in the technology industry, focusing on the development of high-quality web applications. The company emphasizes creating intuitive user interfaces and robust backend services, particularly using technologies like React JS and Kotlin. Link Group values collaboration, as evidenced by its emphasis on teamwork with architects, designers, and cross-functional teams. The company is committed to improving user experience and interface design through iterative development and feedback, highlighting its dedication to innovation and quality in its products.

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