# André Defrémont — Software Engineer

> Full-stack software engineer with 10+ years of experience building scalable web applications, distributed systems, and cloud infrastructure. Based in Belém, Brazil. Available for freelance and contract work worldwide.

## About

André Defrémont (also known as DCODER) is a software engineer specializing in full-stack development, system architecture, and cloud infrastructure. He has delivered 90+ production-ready projects across enterprise blockchain (Hyperledger Fabric), AI-powered tools, real-time applications, and modern web platforms.

## Core Skills

- **Frontend**: React.js, Vue.js, TypeScript, Next.js, Tailwind CSS
- **Backend**: Node.js, Python, Go, Express, FastAPI, NestJS
- **Cloud & DevOps**: AWS, Kubernetes, Docker, CI/CD, Terraform
- **Databases**: PostgreSQL, MongoDB, Redis, DynamoDB
- **Blockchain**: Hyperledger Fabric, Smart Contracts, Web3
- **AI/ML**: OpenAI API, Claude API, LangChain, RAG systems

## Current Roles

- Software Engineer at Amachains (blockchain infrastructure)
- Software Engineer at RNP — Rede Nacional de Ensino e Pesquisa (Brazilian National Research Network)

## Education

- Computer Science — Universidade Federal do Pará (UFPA)

## Featured Projects

- **Shipyard**: AI-powered project management tool with task tracking, milestones, and git integration
- **Canoe**: Modern kanban board for agile teams
- **ChatMood**: AI sentiment analysis for chat platforms
- **RadioGuess**: Music guessing game — https://radioguess.dcoder.io
- **Gitfolio**: Developer portfolio generator — https://gitfolio.dcoder.io

## Contact

- Website: https://dcoder.io
- Email: adcoderio@gmail.com
- GitHub: https://github.com/defremont
- GitLab: https://gitlab.com/defremont
- LinkedIn: https://linkedin.com/in/andredefremont

## Services

- Full-stack web application development
- System architecture and technical consulting
- Cloud infrastructure and DevOps setup
- API design and microservices architecture
- Blockchain development (Hyperledger Fabric)
- AI integration and automation