Marcelo Hama
Head Of Investments Engineering TechFin, PISMO at Visa
São Paulo, São Paulo, Brazil
Summary
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Senior🎓
Top SchoolMarcelo Hama is a technology executive and engineering leader with 10+ years building and scaling fintech and payments platforms across Brazil, LatAm and global TechFin teams. Currently Head of Investments Engineering for Pismo within Visa, he combines hands-on software engineering with product-grade accountability for performance, security, FinOps and observability (OKRs, KPIs, DORA). His background spans banking, payments, and large-scale data systems—from migrating Kafka to MSK and optimizing NoSQL clusters to delivering biometric authentication journeys for major banks. He also teaches software architecture, AI and advanced backend topics, translating academic rigor (M.Sc. in Distributed AI) into practical team enablement and measurable operational improvements. Known as a pragmatic generalist, Marcelo moves between code, architecture and people management, having led cross-functional organizations of 40+ engineers and delivered multi-million real-world transaction volumes. He brings a rare combination of research-informed thinking and executional discipline that reduces costs and increases resilience in high-throughput financial systems.
10 years of coding experience
Master of Business Administration (MBA, Lato Sensu), Business Administration, Master of Business Administration (MBA, Lato Sensu), Business Administration at FIA Business SchoolBachelor (B.Sc.), Computer Sciences, Bachelor (B.Sc.), Computer Sciences at Universidade Estadual Paulista Júlio de Mesquita FilhoMestrado (M.Sc., Stricto Sensu), Distributed Artificial Intelligence, Mestrado (M.Sc., Stricto Sensu), Distributed Artificial Intelligence at Federal University of Rio Grande do Sul
Portuguese, English, Japanese
Stackoverflow
2,085reputation
204kreached
43answers
58questions
Github Skills (27)
woocommerce10
ecommerce10
wordpress10
mercadopago10
plugin10
wordpress-plugin10
cart10
documentation10
pix8
checkout7
opencart7
eclipse6
android-listview6
android-source6
adyen6
Programming languages (2)
Github contributions (5)
marcelohama/cart-woocommerce
Mar 2016 - Mar 2018
Contributions:3 PRs, 590 pushes, 16 branches in 2 years
ecommercewordpresswoocommercemercadopagocart
mercadopago/cart-wp-commerce
Aug 2016 - Oct 2017
Contributions:16 commits, 13 PRs, 3 pushes in 1 year 2 months
ecommercewordpressphpwoocommercecart
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