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Gabriel Barreto
From Brazil 12:25 PM (GMT-03:00)
$25/hr or $65,000/yr

Active over a week ago


Member since May 2026

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Senior Software Engineer

Software Engineer
Available for hire
Years of experience
5+ years
Available for
Full-time, Part-time, Contract, Freelance
Available from
24 Jun 2026

Senior backend-focused full-stack software engineer with 5+ years of experience building large-scale SaaS applications, scalable APIs, and microservice architectures. Strong expertise in C#, .NET, Node.js, TypeScript, Java, SQL, and relational database modeling. Experienced in designing performant backend systems, improving observability, optimizing application performance, and collaborating cross-functionally with Product, Design, QA, and Engineering teams. Passionate about writing clean, maintainable code and delivering reliable systems that create meaningful user experiences. I'm now focusing on AI/Machine Learning!

Employment History

Senior Software Engineer at Future Secure AI 2025 - 2026
- Designed and implemented backend services and APIs using Node.js (TypeScript) and Python (FastAPI) for AI-powered platforms used by enterprise clients. - Built scalable workflows and automation pipelines using n8n and Flowise, integrating ex ternal services and AI models. - Developed agentic and orchestration workflows using LangChain and LangGraph, con necting LLMs with tools, data sources, and multi-step execution. - Developed distributed backend components using PostgreSQL and Redis with message driven patterns. - Designed and deployed cloud-native infrastructure using Docker and Kubernetes. - Implemented observability and monitoring using Datadog and Grafana to maintain pro duction reliability and performance. - Collaborated with international engineering teams to deliver solutions from architecture design to production deployment. - Led CI/CDstandardization using GitHub Actions and Azure, defining pipelines, environ ments, and release workflows for multiple projects.
Back-end Developer at Envision Tecnologia 2022 - 2024
- Developed backend APIs and web applications using C#, .NET, MongoDB, and MySQL. - Diagnosed and resolved complex bugs across web applications and backend services in production environments. - Implemented new features for internal and client-facing systems. - Collaborated with cross-functional teams using GitHub and Azure DevOps in Agile environments.
Full-stack Developer at Techsolutio 2021 - 2025
- Developed backend services and REST APIs using Java (Spring Boot) and Node.js sup porting enterprise web applications. - Built distributed systems integrating Kafka-based messaging infrastructure for telecom monitoring platforms. - Implemented automation services using Groovy to process network probe data and auto matically generate incident tickets. - Worked with relational and NoSQL databases including MySQL and MongoDB. - Contributed to backend architecture improvements and production system performance.

Education

Bachelor of Computer Science at UNIP 2020 - 2025