João Coelho is a Senior Software Engineer with nine years of experience building and scaling distributed, enterprise-grade systems across fintech, procurement, and tax automation domains. He currently architects secure bank integrations and automated IRS payment flows at ADP MyTax using Node.js, React and AWS, after delivering AI-powered procurement features at SAP and high-throughput payment and compliance systems at Bazk. João blends backend expertise in Java, Spring Boot, Node.js and databases (Postgres, MongoDB) with front-end delivery (React, SAP UI5), plus hands-on experience migrating legacy systems to improve reliability and performance. He has repeatedly focused on observability and automation—building rule engines, real-time monitoring dashboards and fraud investigation tools that reduced manual work and sped incident response. Based in Rio Grande do Sul, Brazil, he pairs strong product-minded engineering with a QA-oriented perspective from his GitHub bio, which helps him prioritize reliability and testability in production systems.
9 years of coding experience
4 years of employment as a software developer
Bachelor's Degree, Software Engineering, Bachelor's Degree, Software Engineering at PUCRS - Pontifícia Universidade Católica do Rio Grande do Sul
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