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 frameworks for model performance and accuracy.

- Advanced proficiency in English.

How we do make your work (and your life) easier:

- 100% remote work (from anywhere).

- Excellent compensation in USD or your local currency if preferred

- Hardware and software setup for you to work from home.

- Flexible hours: create your own schedule.

- Paid parental leaves, vacations, and holidays.

- Innovative and multicultural work environment: collaborate and learn from the global Top 1% of talent.

- Supportive environment with mentorship, promotions, skill development, and diverse growth opportunities.

Apply now and become part of a integral team where your unique talents can truly thrive!

📌 LLM Engineer - Remote Work (Colombia)
🏢 BairesDev
📍 Colombia