João Lanjoni
Software Engineer at Nubank
São Paulo, Brazil
Summary
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Rockstar🎓
Top SchoolJoão Lanjoni is a software engineer based in São Paulo with 4 years of experience building scalable, resilient microservices for high-throughput financial and industrial systems. Currently at Nubank, he engineers Clojure-based services using Datomic and Kafka within hexagonal architectures to process millions of requests daily. He has a strong functional-programming focus—working with Clojure, Elixir and Java—and practical cloud experience on AWS and Oracle Cloud managing Linux-deployed solutions. A former contributor to Nimble’s transition to microservices and offline-first mobile designs, João combines backend systems design with real-time data streaming and distributed processing. As the first Brazilian Crystal language ambassador and creator of the crystal4noobs project, he actively produces open-source educational content to make programming more accessible.
4 years of coding experience
3 years of employment as a software developer
Scientific Initiation Program (PIC), Mathematics, Scientific Initiation Program (PIC), Mathematics at IMPAInstituto Federal de Educação, Ciência e Tecnologia de São Paulo
English, Spanish, língua brasileira de sinais, Portuguese
Github Skills (143)
programming-language10
esoteric-language10
monochrome10
rio10
api10
compiler10
stack-based10
prisma10
react10
javascript9
rocks9
client-library9
emacs9
obj9
swift9
Programming languages (21)
Github contributions (5)
lanjoni/express-mysql-api
Jul 2022 - Aug 2022
Contributions:4 commits, 3 pushes, 1 branch in 1 month
lanjoni/salazar-beta
May 2022 - May 2022
Contributions:1 release, 12 commits, 12 pushes in 7 days
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