AI Engineer

This is a remote position.

We are seeking a Senior AI Engineer with a strong background in Node.js and hands-on experience integrating AI and LLM-based solutions into scalable backend architectures. This is not a traditional data scientist role — we’re looking for an experienced software engineer who understands both backend system design and how to leverage modern AI tools such as LangGraph , LangChain , and Vector Databases .

Key Responsibilities

• 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)
  

Nice to Have

• 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

• Solid, competitive salary.
  
• Work in multilingual, multinational and multicultural environment on international projects
  
• Medical care