Remote LLM Engineer – RAG & Fine-Tuning Specialist

BairesDev; United States; Remote; USD 120,000 - 180,000; Full time

Benefits offered by this job

100% remote work

Competitive USD compensation

Home office setup provided

Flexible hours

Paid parental leave and holidays

Job summary

BairesDev is hiring an LLM Engineer to design and build advanced AI applications powered by large language models. You will focus on fine-tuning, retrieval-augmented generation (RAG), and grounding outputs with external knowledge bases.

Join a globally distributed team and work remotely from anywhere, with competitive USD compensation and flexible hours. You will collaborate with cross-functional teams to deploy production-grade AI agents and optimize performance and cost-efficiency.

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 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.

Skills

LLM development

Fine-tuning

RAG architectures

LangChain

English proficiency

Tools

LangChain

Job description

BairesDev is hiring an LLM Engineer to design and build advanced AI applications powered by large language models. You will focus on fine-tuning, retrieval-augmented generation (RAG), and grounding outputs with external knowledge bases.

Join a globally distributed team and work remotely from anywhere, with competitive USD compensation and flexible hours. You will collaborate with cross-functional teams to deploy production-grade AI agents and optimize performance and cost-efficiency.