Alef Lima · Campo Grande-MS
Custom websites and systems.
From front-end to database, from admin panel to on-chain contract. Fifteen years of infrastructure make sure what I ship stays up.
Web2
Systems, APIs and admin panels
- Admin panels and dashboards
- REST APIs and integrations
- React / Next.js applications
- Node.js backend, MongoDB and SQL databases
- Application deployment and infrastructure
React · Next.js · TypeScript · Node · NestJS · MongoDB
Web3
Experience with smart contracts and dApps
- Smart contract development (Solidity)
- Front-end wallet integration (RainbowKit, Ethers.js)
- Testing and deployment with Hardhat
Solidity · OpenZeppelin · Hardhat · Ethers.js · RainbowKit
Infrastructure
Physical networks, provisioning and monitoring
- FTTH/GPON network design and operation
- Routing and peering (BGP, OSPF)
- Monitoring and observability (Zabbix, Grafana)
- Fiber certification and diagnostics (OTDR)
- NOC operation and incident response
- IX peering (e.g. IX.CG)
BGP · OSPF · GPON/FTTH · OTDR · Zabbix · Grafana · NOC