About Full Stack Full Stack is the most transparent IT talent network, connecting highly skilled individuals with top general 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 environ