AI Engineer - Freelancer

Monterail is a team of developers and designers building software for clients globally, with expertise in web development, product, and UX design.

• Strong software engineering background (Node.js or Ruby preferred)
• Experience integrating LLM APIs into production systems
• Ability to design pragmatic AI solutions within existing architectures
• Understanding of cost, latency, and reliability constraints of AI systems
• Ability to explain AI limitations to clients and guide realistic expectations
• Solid communication skills and a consultative mindset
• English language proficiency at B2/C1 level
• Availability part-time or full-time on a B2B contract
• Familiarity with modern AI tooling such as LangChain, LlamaIndex, or Vercel AI SDK

• Adding AI functionality into existing Node.js, Ruby, Python, React, and React Native codebases
• Building LLM-powered features such as chat, summaries, classification, smart search, and document Q&A
• Designing lightweight RAG pipelines using embeddings and vector search
• Working with vector databases like pgvector, Pinecone, and Qdrant
• Implementing safe and reliable LLM endpoints (OpenAI, Anthropic, Azure)
• Collaborating with PMs and clients to shape realistic AI features and transform workflows to reduce manual effort
• Advising clients when not to use AI and considering trade-offs related to latency, accuracy, cost, and maintainability