AI Machine Learning Engineer (Remote, Latin America)

About the role

FullStack is looking for an experienced AI Machine Learning Engineer to join its talent network and work remotely with U.S. clients across Latin America. You will become an integral part of client teams, collaborating daily with designers and engineers to deliver cutting‑edge AI solutions.

Key responsibilities

• Develop, optimize, and fine‑tune AI/ML models using Python and frameworks such as LangChain.
• Implement retrieval‑augmented generation (RAG) techniques and manage vector databases (FAISS, Pinecone, Weaviate).
• Design, deploy, and maintain scalable AI infrastructure on cloud platforms (AWS, GCP, Azure).
• Integrate AI solutions into production environments and ensure reliable operation.
• Document architectures, workflows, and best practices; support MLOps and CI/CD pipelines.
• Participate in Agile/Scrum ceremonies and take ownership of deliverables.

Required profile

• 4+ years of professional experience as an AI or Machine Learning Engineer.
• Advanced English proficiency and a completed four‑year college degree.
• Proven ability to work 40 hours per week remotely and collaborate with distributed teams.
• Strong problem‑solving mindset, attention to detail, and a can‑do attitude.

Required skills

• Python
• LangChain
• Large Language Models (LLMs) and prompt engineering
• Retrieval‑augmented generation (RAG)
• FAISS, Pinecone, Weaviate
• AWS, GCP, Azure
• MLOps and CI/CD pipelines

What we offer

• Competitive pay
• 100 % remote work
• Opportunities to work with leading startups and Fortune 500 companies
• Continuing education and career growth
• A diverse, inclusive and supportive talent network