Years of experience: 18

ITBrazilBackend DeveloperSystem AnalystWeb Developer

Trust Score

Exceptionally trusted; proven professional excellence.

80%
Leonardo's Career Path
Senior Backend EngineerNov. 2024 -
Present
SWORD HealthSenior Backend Engineer
Portugal- Designed and implemented core platform features for a distributed, high-traffic health tech platform using Go and Node.js, leveraging Claude Code (agentic AI) to accelerate development velocity by 30% while maintaining a rigorous Test-Driven Development (TDD) workflow and ensuring 90%+ test coverage. - Optimized gRPC APIs and MySQL queries across microservices, reducing latency and improvi...
Backend EngineerApr. 2022 -
Nov. 2024
AlticeUSABackend Engineer
United States- Designed and implemented gRPC services in Go for an in-house CRM platform, achieving a 20% performance improvement by optimizing database queries with efficient indexing and caching, while ensuring scalability and maintainability through modular design and Go’s concurrency patterns. - Integrated the Go-based backend system with a legacy SOAP-based platform using the gowsdl library to gener...
Backend EngineerNov. 2021 -
Feb. 2022
ClevertechBackend Engineer
United States- Designed and built GraphQL APIs for an incident management application using Node.js, MongoDB and PostgreSQL, integrated with Netsuite ERP and a React frontend. - Utilized AWS services (EKS, S3, SQS) to improve application reliability and scalability.

Leonardo's Posts

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