About Full Stack Full Stack is the most transparent IT talent network, connecting highly skilled individuals with top integral 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 Glass Door. 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 a Senior EDI Integration 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 designing EDI specifications and mapping X12 and XML documents. Advanced English is required. Successful completion of a four-year college degree is required. Proven experience in MSSQL T-SQL and SSIS development for data transformation. Proven ability to build automation tools and system integrations using C#, Python, .NET, or Power Shell. Expertise in leading end-to-end trading partner onboarding for EDI documents. Experience configuring and managing secure data exchange protocols such as AS2, SFTP, and FTP. Hands-on experience with EDI mapping tools (e.g., Map Force) and integrating EDI with ERP systems. Familiarity with modern integration patterns, including APIs and event-driven architecture. Background in manufacturing, supply chain, transportation, or logistics environments. Ability to work