AI Engineer
Senior AI Engineer building scalable backend services that integrate LLMs and vector databases, using Node.js, LangGraph, and LangChain to create intelligent agents and automation workflows.
This is a remote position.
Architect and implement backend services for AI-powered systems and tools
Build intelligent agents and automation workflows using LangGraph or LangChain
Connect and operate Vector Databases (e.g., Pinecone, Weaviate, Chroma)
Lead and maintain Node.js-based backend architectures
Design and optimize prompt workflows for AI integration
Integrate external APIs and third-party AI services (OpenAI, Anthropic, etc.)
Collaborate with frontend developers and product stakeholders to deliver seamless solutions
Requirements
Minimum 4 years of software development experience (Node.js preferred)
At least 2 years of experience working with AI/LLM applications
Hands-on experience with LangChain , LangGraph , or similar frameworks
Solid knowledge of vector databases and retrieval-augmented generation pipelines
Strong background in API design , prompt engineering , and deployment best practices
Proficiency in both Node.js and Python
Fluent in Polish and English (C1 level)
Experience building AI co-pilots , chatbots, or conversational AI tools
Working knowledge of React or Next.js for integrating backend and UI
Familiarity with LLM providers such as OpenAI , Anthropic , or Gemini
Benefits
Originally posted on Himalayas
Posted June 18, 2026