Ariel Reis
Senior Software Engineer at Nubank
Salvador, Bahia, Brazil
Summary
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Rockstar🎓
Top SchoolAriel Reis is a Senior Software Engineer with nine years of experience building high-throughput, high-volume data platforms across fintech and payments companies like Nubank, PagSeguro, and QRPoint. He specializes in JVM ecosystems (Kotlin, Java, Clojure, Scala) and has delivered production services integrating Datomic, Elasticsearch, Redis, and cloud-native deployments on AWS and Azure. At Nubank he led platformized features spanning multiple countries, and at QRPoint he designed architectures, database clustering, and critical low-latency services (including a Golang throughput-focused component). He blends hands-on coding with architectural leadership and mentoring, applying Clean Architecture and SOLID principles to financial and back-office systems. Based in Salvador, Brazil, he pairs formal studies in solution architecture with a pragmatic track record of shipping resilient, scalable systems across startups and large fintechs.
9 years of coding experience
5 years of employment as a software developer
Técnico em informática Tecnologia da Informação, Técnico em informática Tecnologia da Informação at Ceep/CetebPostgraduate Degree Arquitetura de Soluções, Postgraduate Degree Arquitetura de Soluções at PUC MinasAuxiliar de processos de produção Tecnologia em Produção Industrial, Auxiliar de processos de produção Tecnologia em Produção Industrial at Serviço Nacional de Aprendizagem IndustrialBacharelado em Sistemas de Informação Tecnologia da Informação, Bacharelado em Sistemas de Informação Tecnologia da Informação at UNINASSAUEnsino Médio Completo, Ensino Médio Completo at Colégio Estadual Professor Edilson Souto Freire
English, Portuguese
Stackoverflow
1reputation
0reached
0answers
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Github Skills (42)
typescript10
react-native-app10
firestore10
react10
antd9
react-hooks9
push-notifications9
ui-design9
crashlytics9
storage9
remote-config9
android9
database9
auth9
firebase9
Programming languages (8)
Github contributions (5)
quicache/quicache
Feb 2021 - Apr 2021
In memory data store
Contributions:32 commits, 2 PRs, 26 pushes in 2 months
memorygarbage-collectiondata-storedatabasein-memory
r2a-engineering/dokument-validate
Nov 2020 - Jan 2021
Kotlin implementation for documents validations
Contributions:6 releases, 27 commits, 6 PRs in 2 months
kotlin
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