Mario Rezende is a seasoned Back End Developer based in São Paulo with over 12 years of professional experience and a 25-year history in software development. He specializes in Java and Kotlin for cloud-native, high-performance financial and e-commerce systems, with deep hands-on experience in Spring Boot, DDD, TDD, observability, and AWS services. Mario has built low-latency, highly available platforms—such as real-time antifraud systems at iFood and resilient fixed-income microservices for C6 Bank—while driving architectural decisions and CI/CD automation. He thrives in regulated and mission-critical environments, balancing scalability, reliability and security (OTP, messaging, Redis, Postgres). A Java enthusiast who also dabbles in game and soft dev, he brings pragmatic engineering paired with a long track record of modernizing legacy systems into cloud microservices.
12 years of coding experience
22 years of employment as a software developer
Management Information Systems, General, Management Information Systems, General at Universidade do Sul de Santa Catarina
Contributions:99 commits, 100 pushes, 28 branches in 1 year 4 months
javarest-apispring-bootweb-development
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Mario Rezende - Senior Java Kotlin Developer at CI&T