Francisco Zanfranceschi
Principal Software Engineer at Cora
São Paulo, Brazil
Summary
🤩
Rockstar🎓
Top SchoolFrancisco Zanfranceschi is a Principal Software Engineer and solutions architect with over 18 years of experience designing scalable, secure systems for finance, retail, and corporate clients. He has led end-to-end architecture and cloud migrations at organizations like Nubank, Banco Itaú, and Credz, driving high-impact projects that serve hundreds of millions of customers and achieving measurable security gains such as a 97% reduction in auth fraud via TOTP. Comfortable from hands-on Clojure and C# development to strategic platform decisions, he specializes in distributed, event-driven systems using Kafka, RabbitMQ, Datomic and a range of AWS services. He combines deep legacy-modernization expertise (mainframe migrations and BACEN regulatory projects) with practical load- and test-automation work demonstrated in his Rinha de Backend contributions. A community builder in Brazil—creator of the Rinha de Backend event and prolific technical writer and speaker—he blends mentorship and technical leadership to translate business needs into reliable production systems.
10 years of coding experience
20 years of employment as a software developer
Master of Business Administration (M.B.A.) Service Oriented Software Engineering, Master of Business Administration (M.B.A.) Service Oriented Software Engineering at Metrocamp & IBTABachelor’s Degree Data Modeling/Warehousing and Database Administration, Bachelor’s Degree Data Modeling/Warehousing and Database Administration at IBTA
English, Portuguese
Github Skills (12)
loadtest10
gatling10
load-testing10
scala10
testing9
back-end-development9
shell8
script8
sh8
scripting8
github-ci3
githubaction-workflow3
Programming languages (10)
Github contributions (5)
zanfranceschi/rinha-de-backend-2024-q1
Feb 2024 - Mar 2024
Repositório da 2ª edição da Rinha de Backend
Role in this project:
Back-end Developer & Test Automation Engineer
Back-end Developer & Test Automation EngineerContributions:48 reviews, 1466 PRs, 5547 pushes in 1 month
Contributions summary:Francisco primarily contributed to the load testing infrastructure of the backend application. Their work involved modifying Gatling simulation scripts to adjust load test scenarios, including changes to user injection profiles and request validation. Furthermore, the user updated test scripts, modifying the target port. Their contributions also encompassed setting up and modifying test execution scripts, adding features for executing participant tests.
zanfranceschi/desafio-01-cotacoes
Jul 2022 - Jan 2023
Contributions:5 reviews, 25 commits, 4 PRs in 5 months
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