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

Information Technology

251-1K (270)

Founded 2010

5 open positions

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LLM Engineer - Freelancer

1 month ago

Poland

Freelance

Senior

AI Engineer

Software Development

Azure LLM Node.js Python Ruby

Apply Now

Monterail

Internet Software & Services

251-1K

Founded 2010

View All Jobs 5

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

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