Professional Summary
Software Engineer with 10+ years of experience designing and delivering scalable, production-ready web applications and enterprise blockchain solutions. Proven track record of building full-stack systems from the ground up using React.js, Vue.js, Node.js, MERN stack, AWS, and Kubernetes. Extensive expertise in smart contract development with Ethereum and Hyperledger Fabric, architecting decentralized networks for security, transparency, and traceability. Experienced technical leader who has successfully guided teams through complete software development lifecycles using Agile methodologies, CI/CD pipelines, and a culture of continuous improvement and measurable results.
Core Competencies
Languages
TypeScript, JavaScript, Python, Go, Solidity, Java, C#, PHP, Kotlin
Blockchain & Web3
Hyperledger Fabric, Ethereum, Smart Contracts, IPFS, Besu, Bevel
Frontend
React.js, Vue.js, Next.js, Nest.js, Angular, Ionic
Cloud & DevOps
AWS, Kubernetes, Docker, Helm, CI/CD, GitLab CI
Backend
Node.js, Express.js, FastAPI, Java Spring Boot
Methodologies
Agile, Scrum, Kanban, TDD, SOLID, Clean Architecture
Databases
MongoDB, PostgreSQL, CouchDB
AI Integration
OpenAI API, Anthropic Claude API, Google Gemini API
Professional Experience
Chief Information Officer & Full-Stack Engineer
Mar 2020 — Present
Amachains · Belém, PA, Brazil
- Architected and built production-ready PWAs from scratch using Vue.js, React.js, and the MERN stack, delivering seamless user experiences and reliable performance.
- Developed smart contracts on Ethereum and Hyperledger Fabric for carbon credit management and sustainability projects.
- Led the development of a Web3 platform enabling transparent carbon credit lifecycle management — from emissions tracking to carbon offsetting through verifiable digital records.
- Managed cloud infrastructure deployments on AWS and Kubernetes, integrating web and blockchain technologies.
Stack: Node.js, React.js, Vue.js, MongoDB, Hyperledger, Ethereum, Solidity, AWS, Kubernetes, Go, Python, Docker
Blockchain Software Engineer
Apr 2024 — Feb 2026
RNP — National Research and Education Network · Brasília, DF, Brazil
- Build and maintain Hyperledger-based blockchain networks supporting national-scale research, education, and Web3 innovation across Brazil.
- Design scalable and secure distributed ledger solutions using Fabric, Besu, Bevel, and Ethereum, deployed on Kubernetes with Helm charts.
- Provide robust blockchain infrastructure for academic and research institutions nationwide.
Stack: Hyperledger Fabric, Besu, Bevel, Ethereum, Solidity, Go, Kubernetes, Helm, Web3
Full-Stack Software Engineer
Jul 2019 — Mar 2020
Equilibrium Web · Belém, PA, Brazil
- Developed scalable, user-centric digital solutions tailored to diverse business requirements.
- Enhanced AngularJS applications and optimized a Java legacy system, improving reliability and performance.
Stack: Node.js, AngularJS, Java
Full-Stack Software Engineer
Apr 2018 — Jul 2019
XIFIX Tecnologia · Belém, PA, Brazil
- Enhanced and maintained React.js and Node.js web applications powering content management and marketing platforms.
- Maintained C# systems and PHP websites, ensuring robustness aligned with evolving business needs.
Stack: React.js, Node.js, C#, PHP
Web Software Engineer
Jan 2017 — Jan 2018
Universidade Federal do Pará (UFPA) · Belém, PA, Brazil
- Developed and maintained Joomla-based websites supporting academic programs and community engagement.
Stack: CSS, HTML, JavaScript, Joomla, PostgreSQL
Software Engineer
Jun 2012 — Jul 2016
XIFIX Tecnologia · Belém, PA, Brazil
- Comprehensive technical support with progressive transition to active software development in React.js, Node.js, C#, and PHP.
- Contributed to application improvements and feature development, building a strong foundation in full-stack engineering.
Stack: Node.js, React.js, C#, PHP
Education
M.Sc. in Computer Science
2021 — 2023
Universidade Federal do Pará (UFPA)
Computer Systems Networking & Telecommunications · Focus: Blockchain & Sustainability
B.Sc. in Information Systems
2013 — 2017
Universidade Federal do Pará (UFPA)
Computer Systems Networking & Telecommunications · Thesis on Blockchain Technology
Certifications
Hyperledger Fabric v2.x — The Complete Guide on Kubernetes
Node.js Developer — The Complete Course (3rd Edition)
Languages
Portuguese — Native
English — Professional Working Proficiency (B2+)
French — Elementary Proficiency
Spanish — Elementary Proficiency
Selected Projects
Carbon Credit Platform
Enterprise Web3 platform for carbon credit lifecycle management and ESG compliance
Vue.js, Hyperledger, Kubernetes, Node.js
DASP — Decentralized Scientific Publisher
Transparent blockchain-based academic publishing platform
TypeScript, Hyperledger Fabric, IPFS, Vue.js
Redes Locais Marketplace
Full-stack multi-vendor marketplace with local delivery and split payments
JavaScript, Node.js, MongoDB, Express.js
RadioGuess
Geography learning game with real-time radio streaming from 50+ countries
TypeScript, Next.js 15, React