Jefferson De Souza
Senior Software Engineer
São Paulo, Brazil
Summary
👤
Senior🎓
Top SchoolJefferson De Souza is a Senior Software Engineer based in São Paulo with two decades of hands-on experience and a decade in senior roles building scalable, cloud-native systems. He specializes in full-stack Typescript and Node.js development, React/Next.js front ends, and AWS-first architectures including Kubernetes, EKS, serverless patterns and CD workflows like ArgoCD and CDK. Jefferson has led technical teams as a tech lead and architect, driving migrations (2500+ components to TypeScript), designing microservices, and orchestrating event-driven solutions with Kafka and other messaging systems. He brings strong operational discipline—CI/CD, testcontainers-based integration testing, Datadog monitoring—and a track record of improving team quality through training and rigorous code reviews. Comfortable across languages (Java, Ruby, Python, Clojure) and databases (Postgres/Aurora, DynamoDB, OpenSearch), he turns complex domain requirements—such as HL7-based EHR systems—into production-ready services. Known for blending hands-on coding with mentoring and documentation, he pairs practical engineering with business-aligned decision making.
10 years of coding experience
20 years of employment as a software developer
Bachelor IT (System Analisys), Bachelor IT (System Analisys) at UNISAL - Centro Universitário Salesiano de São PauloTechnical IT, Technical IT at ETE Polivalente de AmericanaMaster of Business Administration - MBA Strategic Business Management, Master of Business Administration - MBA Strategic Business Management at Anhanguera EducacionalMaster of Business Administration - MBA Engenharia de Software, Master of Business Administration - MBA Engenharia de Software at Full Cycle
English, French, Portuguese, Spanish, German, French
Github Skills (103)
visual-studio-code-extension10
recharts10
javascript10
typescript10
data-visualisation10
react10
editor9
code-snippets9
charts9
formatter9
visual-studio9
microsoft9
visualization9
visual-studio-code9
electron9
Programming languages (7)
Github contributions (5)
studiojms/react-enhanced-numeric-input
Jan 2019 - Dec 2020
An enhanced Numeric Input made with React
Contributions:37 commits, 28 PRs, 37 pushes in 1 year 11 months
reactjavascriptnumeric-inputstepper
studiojms/studiojms
Jul 2020 - Oct 2022
Contributions:2 PRs, 8 pushes, 3 branches in 2 years 3 months
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