Senior AI/ML Full Stack Engineer - Remote - Latin America

About this role

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.


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 flexible, project-based development work as a Senior AI/ML Full Stack 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

• 5+ years of professional experience as a Full-Stack Engineer, AI/ML Engineer, or in a similar role.
• Advanced English is required.
• Successful completion of a four-year college degree is required.
• Proven track record of shipping 0-to-1 products and scaling them to hundreds of thousands of users. Side projects or open-source contributions are highly valued.
• Deep hands-on fluency with the modern AI development stack, including Cursor, LLMs, and AI agent frameworks (e.g., OpenCode, Aider, Void).
• Strong experience integrating, debugging, and monitoring LLMs in real-world applications, including prompt engineering, cost optimization, latency management, and evaluation frameworks.
• Proficiency in designing and developing APIs (REST, GraphQL), databases (PostgreSQL), and user-facing services.
• Solid experience in bu...