At BairesDev®, we've been leading the way in technology projects for over 15 years. We deliver cutting-edge solutions to giants like Google and the most innovative startups in Silicon Valley.

Our diverse 4,000+ team, composed of the world's Top 1% of tech talent, works remotely on roles that drive significant impact worldwide.

When you apply for this position, you're taking the first step in a process that goes beyond the ordinary. We aim to align your passions and skills with our vacancies, setting you on a path to exceptional career development and success.

LLM Engineer at BairesDev

As an LLM Engineer, you will design and build advanced applications powered by large language models, focusing on fine-tuning and retrieval-augmented generation (RAG). You will translate complex business requirements into high-performance AI solutions, ensuring that generative outputs are accurate, scalable, and production-ready.

What You'll Do

Design and implement robust RAG architectures to ground LLM responses in external knowledge bases.




Develop and manage the full lifecycle of LLM fine-tuning pipelines to align model outputs with specific domain needs.
Optimize system performance through advanced prompt engineering, evaluation frameworks, and context management.
Build and deploy production-grade AI agents using modern orchestration frameworks like LangChain.
Collaborate with cross-functional teams to integrate generative AI features seamlessly into existing product ecosystems.
Ensure model reliability and cost-efficiency by implementing monitoring, validation layers, and inference optimization.

What We Are Looking For

4+ years of experience in Software Engineering, AI/ML, or Data Science.
Proven expertise in building and deploying applications powered by Large Language Models (LLMs).
Hands-on experience with fine-tuning, RAG architectures, and prompt engineering.
Proficiency with LLM frameworks such as LangChain or similar tools.
Strong background in designing evaluation f

📌 LLM Engineer (Chile)
🏢 BairesDev
📍 Chile