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AI Engineer at MADIFF Polska, Remote (Global)

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Job Detail

  • Job ID 3656

Job Description

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 .

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 LangChainLangGraph, or similar frameworks
  • Solid knowledge of vector databases and retrieval-augmented generation pipelines
  • Strong background in API designprompt 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 OpenAIAnthropic, or Gemini

Benefits

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

Required skills

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