About FullStack FullStack is the most transparent IT talent network, connecting highly skilled individuals with top global companies and Silicon Valley startups for remote, on-demand projects. We focus on building a trusted, high-performance network where talent can thrive in a positive, respectful, and supportive environment. By prioritizing transparency, fair opportunities, and professional growth, we empower our engineers to deliver their best work while collaborating with innovative teams worldwide. - Offering life-changing opportunities for talented software professionals across the Americas. - Enhancing highly-skilled software development teams of hundreds of the world’s greatest companies. - Our 4.2-star rating on GlassDoor. - Our client Net Promoter Score of 68, twice the industry average. We’re Most Proud Of - Offering life-changing opportunities for talented software professionals across the Americas. - Enhancing highly-skilled software development teams of hundreds of the world’s greatest companies. - Our 4.2-star rating on GlassDoor. - Our client Net Promoter Score of 68, twice the industry average. The Opportunity Join our talent network and connect with U.S. clients for versátil, project-based development work as an AI Machine Learning Engineer. - You will integrate directly into our client's team and work alongside their existing designers and engineers on a daily basis. What We're Looking For - 4+ years of professional experience as an Artificial Intelligence Engineer, Machine Learning Engineer, or similar role. - Advanced English is required. - Successful completion of a four‑year college degree is required. - Proven experience developing and optimizing AI/ML models using Python and frameworks like LangChain. - Deep understanding of large language models (LLMs), prompt engineering, and the latest trends in generative AI. - Hands‑on experience with retrieval‑augmented generation (RAG) techniques and vector databases (e