LLM Engineer - Remote Work | REF#299455

BairesDev; Colombia; Remote; COP 389,395,000 - 519,194,000; Full time

Benefits offered by this job

100% remote work

USD or local currency compensation

Hardware provided

Flexible hours

Paid parental leave

Vacations and national holidays

Global Top 1% talent environment

Mentorship and growth opportunities

Job summary

BairesDev is seeking an LLM Engineer to design and deploy advanced AI apps powered by large language models. The role emphasizes fine-tuning, RAG, and production-grade deployment across global, remote teams.

You will collaborate with cross-functional groups to ground model outputs in external knowledge and ensure scalability, reliability, and cost-efficiency of AI solutions.

Qualifications

• 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.

Responsibilities

• Design and implement robust RAG architectures to ground LLM responses in external knowledge bases.
• Develop and manage end-to-end LLM fine-tuning pipelines to align outputs with domain needs.
• Optimize system performance through 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 into product ecosystems.
• Ensure model reliability and cost-efficiency by adding monitoring and validation layers.

Skills

LLM engineering

Fine-tuning

RAG architectures

LangChain

Prompt engineering

English proficiency

Tools

LangChain

Job description

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 national 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.

Join a global team where your unique talents can truly thrive and make a significant impact!