Marcel Fonseca
Specialist Software Engineer at Conta Azul
Minas Gerais, Brazil
Summary
👤
Senior🎓
Top SchoolMarcel Fonseca is a specialist software engineer with 9+ years building high-availability, event-driven backend systems for banking and fintech, and three years of leadership experience guiding teams through complex digital transformations. He excels in Java/Kotlin ecosystems (SpringBoot, Quarkus) and cloud-native architectures across AWS and Azure, applying CQRS, event sourcing and asynchronous patterns to scale mission-critical services like PIX and boleto processing. Marcel has a track record of modernizing legacy systems—leading cloud migrations and performance optimizations that cut processing time via asynchronous flows—and pairs technical depth with agile delivery and architecture skills. Certified across multiple Azure and cloud domains and a Microsoft Certified Trainer, he brings both hands-on engineering and formal teaching experience to mentoring teams. Based in Minas Gerais, Brazil, he combines practical banking-domain expertise with a curiosity for AI-enabled automation and developer productivity tools.
9 years of coding experience
10 years of employment as a software developer
Tech Lead Program, Tech Lead Program at IFTLMaster of Business Administration (MBA), BI e Big Data, Master of Business Administration (MBA), BI e Big Data at Cruzeiro do Sul VirtualTechnician Information, T.I, Technician Information, T.I at Instituto Federal do Triângulo MineiroInformation Systems Analyst, Tecnologia da Informação, Information Systems Analyst, Tecnologia da Informação at UniFACTHUS - Centro Universitário
English, Portuguese
Github Skills (8)
arctic5
ide3
vault3
vagrant3
sqf3
cqrs2
event-driven1
event-sourcing1
Programming languages (4)
Github contributions (5)
celfons/api-monitoring
Jul 2018 - Oct 2018
Contributions:51 commits, 34 pushes, 4 branches in 3 months
celfons/stackspot-review
Jul 2024 - Aug 2024
Contributions:35 PRs, 170 pushes, 31 branches in 28 days
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.