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LLM Engineer - Freelancer

1 month, 2 weeks ago
Poland
Freelance
Senior
AI Engineer
Software Development
Azure LLM 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 4

Description

  • Add AI functionality into 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 OpenAI, Anthropic, or Azure.
  • Work directly with clients to shape AI features and reduce manual effort.
  • Advise clients when not to use AI and navigate trade-offs around latency, accuracy, and cost.

Requirements

  • Strong software engineering background with Python, Node.js, or Ruby.
  • Hands-on experience integrating LLM APIs into production systems using 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 of 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 work on a B2B contract.

Interested in this position?

Apply directly on the company website

Apply Now

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