Senior Backend Engineer specializing in Go, gRPC, distributed systems, and high-performance APIs.
I design and build scalable, maintainable backend services that handle real traffic.
Currently at SWORD Health building core platform features for a high-traffic health-tech product.
Previously built in-house CRM platforms and microservices at Altice USA and other companies across Brazil, US, and Europe.
Languages & Core
Go gRPC Node.js TypeScript Java PostgreSQL MySQL
Architecture & Infra
Microservices Distributed Systems Kubernetes Docker REST GraphQL Event-driven Observability
Cloud & Tools
AWS GCP CI/CD TDD Clean Architecture
| Project | Description | Stack |
|---|---|---|
| auto-escala | Pure Go admin system for shift & schedule management (private) | Go, Fiber, Templ, HTMX, MySQL |
| escala-voluntarios | Volunteer scheduling platform for church services (private) | Go, Fiber, Next.js, MySQL, Terraform |
| meower | Microservices social network demo (search + real-time) | Go, Elasticsearch, Postgres, Vue, Docker |
| bookstore-api | Clean REST API example | Go |
| superfin | Fintech-style application | Go |
| go-design-patterns | Design patterns implemented in Go | Go |
Several of my recent production projects are private (enterprise CRM, health platform, internal tools, scheduling systems). Happy to discuss architecture and trade-offs in interviews.
Recent posts on leogsouza.dev:
- 🌐 Website / Blog: leogsouza.dev
- 💼 LinkedIn: linkedin.com/in/leogsouza
- 🐦 X/Twitter: @leogsouza
- ✉️ Email: leogsouza@gmail.com
Open to senior/staff backend roles (Go-heavy, distributed systems, platform engineering) and interesting technical conversations.




