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LLM Engineer - Freelancer

3 weeks, 1 day ago
Poland
Contract
Mid Level
AI Engineer
Software Development
Azure Node.js Python Ruby
Apply Now
Monterail

Monterail

Monterail specializes in AI-enhanced custom software development, providing scalable web and mobile applications tailored for startups and businesses, backed by a team of over 200 experienced developers, designers, and QA experts.

Internet Software & Services
251-1K
Founded 2010
View All Jobs 3

Description

  • Add AI functionality to existing Python, Node.js, and Ruby codebases.
  • Build LLM-powered features such as chat, summaries, classification, smart search, and document Q&A.
  • Design lightweight RAG pipelines using embeddings and vector search.
  • Work with vector databases such as pgvector, Pinecone, and Qdrant.
  • Implement safe and reliable LLM endpoints using providers such as OpenAI, Anthropic, and Azure.
  • Collaborate directly with clients to shape AI features and reduce manual effort.
  • Advise clients on when not to use AI and navigate trade-offs around latency, accuracy, and cost.
  • Set realistic expectations and deliver solutions within existing architectures.

Requirements

  • Strong software engineering background in Python, Node.js, or Ruby.
  • Hands-on experience integrating LLM APIs into production systems such as OpenAI, Anthropic, or similar.
  • Ability to design pragmatic AI solutions within existing architectures.
  • Experience building RAG pipelines, embeddings, and vector search.
  • Understanding of cost, latency, and reliability constraints in AI systems.
  • Ability to work independently with clients and set realistic expectations.
  • Background in big data or data pipelines is a strong plus.
  • English level B2/C1.
  • Availability for part-time or full-time freelance B2B contract work.

Benefits

  • Freelance collaboration on a part-time or full-time basis, depending on project needs.
  • Opportunity to work on practical AI delivery rather than ML research.
  • Work with a network of LLM Engineers on client projects.
  • B2B contract engagement model.

Interested in this position?

Apply directly on the company website

Apply Now

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