Jefferson Reis
Senior Backend Engineer at VML Enterprise Solutions
São Paulo, Brazil
Summary
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Senior🎓
Top SchoolJefferson Reis is a Senior Backend Engineer based in São Paulo with over 10 years building scalable APIs and cloud-native services, primarily using TypeScript, Node.js and AWS. He combines clean architecture, TDD and DDD practices to deliver declarative, typesafe systems with strong emphasis on unit testing and security. His recent work focuses on productionizing LLM-powered solutions and AI agent orchestration using OpenAI, Gemini and Claude alongside AWS CDK. As a former tech lead at SKY Brasil he bridged architecture decisions and hands-on development, championing performance, monitoring and deployment best practices. Jefferson is comfortable moving between serverless and containerized platforms, and often shapes team practices through code reviews and developer mentoring. He brings a pragmatic blend of legacy .NET experience and modern TypeScript server-side engineering, enabling reliable migrations and incremental modernization.
10 years of coding experience
13 years of employment as a software developer
Associate's degree Computer Systems Analysis, Associate's degree Computer Systems Analysis at Faculdade de Tecnologia de São Caetano do Sul
English, Spanish, PortugueseGithub contributions (5)
JeffersonReisPro/aimlbot-for-unity3d
Apr 2016 - Dec 2018
Contributions:7 commits, 6 pushes, 1 branch in 2 years 8 months
JeffersonReisPro/Verbot-5-for-Unity-3D
Jul 2017 - Mar 2018
Contributions:1 release, 14 pushes, 2 branches in 7 months
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