Monterail

LLM Engineer Freelancer

Remote, United States remote Entry $0 - $0
remote Technology & IT Salary listed Curated
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About the role

We're building a network of LLM Engineers who can design, build, and integrate practical AI features into existing products. We're looking for people to collaborate with on a freelance basis - part-time or full-time, depending on project needs.

This role is focused on delivery, not ML research. What matters most is your engineering foundation and your ability to integrate AI into real production systems using Python, Node.js, or Ruby codebases.

Requirements

What we're looking for

Strong software engineering background - Python, Node.js, or Ruby
Hands-on experience integrating LLM APIs into production systems (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 big plus
English B2/C1
Availability part-time or full-time (B2B contract)

What You'll Do

Add AI functionality into existing Python, Node.js, and Ruby codebases
Build LLM-powered features: chat, summaries, classification, smart search, document Q&A
Design lightweight RAG pipelines using embeddings and vector search
Work with vector DBs (pgvector, Pinecone, Qdrant)
Implement safe, reliable LLM endpoints (OpenAI, Anthropic, 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

What do we mean by freelance?

Read more at Monterail Tech Network

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Interview prep

Walk in with sharper answers.

Use this as a quick practice sheet before you speak with the employer.

Role
Technology & IT Javascript Python Llm Engineer Freelancer remote

Likely questions

  1. Tell us about work you have done that is close to the LLM Engineer Freelancer role.
  2. How would you approach your first 30 days at Monterail?
  3. Which of Javascript, Python and Llm have you used recently, and what did it help you achieve?
  4. Describe a time you solved a problem without waiting to be told exactly what to do.
  5. How do you stay organised and communicate clearly when working remotely?

Prepare before the call

  • A recent example that proves your experience with Javascript, Python and Llm.
  • One short story with a problem, your action, and the result.
  • Two examples that show the strengths listed on your CV.
  • A clear reason why this role and company interest you.
  • Your availability, preferred work style, and salary expectations.

Ask them

  • What would success look like in the first 90 days?
  • What are the main problems this hire should help solve?
  • How does the team give feedback and measure good work?
  • What does a normal working week look like for this role?
Practice line

I am interested in the LLM Engineer Freelancer role because I can bring practical experience in Javascript, Python and Llm, learn the team quickly, and contribute to the outcomes Monterail needs from this hire.

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