Summary
Jefferson Peleteiro is a Senior .NET Full Stack Developer with over a decade of experience delivering mission-critical government and corporate systems, specializing in architecture, integrations, and modernizing legacy platforms. He has a long track record with São Paulo State Finance Department projects, driving migrations from TIBCO to .NET Core and improving performance, security, and governance. Comfortable across the full stack, Jefferson combines hands-on coding, design reviews, and team leadership to promote DDD, Clean Architecture and SOLID practices. His earlier career includes 13 years at Ícone Software where he led end-to-end development of more than 15 enterprise applications, and recent roles focused on large-scale data processing and multi-system integrations. A data science and machine learning enthusiast studying Python, he brings analytical curiosity to architectural decisions and business-focused solutions. Based in Paraná, Brazil, he pairs clear communication with measurable delivery in high-stakes public sector environments.
10 years of coding experience