FullStack is your AI-native engineering partner, built to turn AI capability into certainty. Most companies can demo AI; few can get it to production and prove what it produced. We close that gap with three capabilities, AI built into your products from the start, elite vetted talent who apply it, and transparent execution that shows value every step of the way. With now over 600 customers in North America, FullStack is one integrated partner for all your AI engineering needs. With FullStack, you move forward with confidence.
We’re Most Proud Of
• Offering life-changing career opportunities to talented software professionals across the Americas.
• Building highly-skilled software development teams for hundreds of the world’s greatest companies.
• Having delivered hundreds of successful custom software solutions, which have positively impacted the lives and careers of millions of users.
• Our 4.1-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 adaptable, project-based development work as an Agentic Software Engineer (OpenAI Codex-focused).
• 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 software development experience with a deep understanding of full-stack architectures (e.g., Java, Python, C#, React, Node, etc.).
• 1-3 years of professional experience with AI-assisted engineering workflows and agentic AI tools (e.g., Cursor, Claude Code, Copilot) to accelerate delivery.
• Advanced English is required.
• Successful completion of a four-year college degree is required.
• Deep experience using OpenAI Codex as a primary development environment to coordinate AI-driven implementation across large, multi-file systems while maintaining architectural oversight.
• Experience delivering production software w