vagucs

Senior Solidity, Php, Pascal, Delphi, C, X Base

Backend programmer, excellent knowledge of low level technology. Committed and honest. I use the technologies below: Linux, Windows, Android, C, Pascal (Delphi, Embarcadero), PHP, xBase (Harbour, Clipper), Javascript, HTML, Adianti framework, Solidity, Blockchain interactions with any language, socket programmer, reverse engineering, Deep knowledge of RFID and Hardware (RFD8500, RFID, CHAINWAY (R4, R6), RFID Printers (ZGL/ZPL/PGL) cryptography Domain of blockchain and Web3 platforms with solidity and interactions in any programming language. Web3 wallet development for Linux/Web and Android with Delphi/Embarcadero.



Experience: 2 years

Yearly salary: $60,000

Hourly rate: $80

Nationality: 🇧🇷 Brazil

Residency: 🇧🇷 Brazil


Experience

CTO
C9 Tech
2021 - 2025
Web3 developer, fullstack, solidity, javacard (Smartcard), Pos (Android), PHP, High scale and availability application. High availability Pix servers, online and mobile Web3 wallets.
Fullstack
Camisaria Colombo
2008 - 2021
Development of POS, inventory control, RFID, fiscal DP, frontend, integration of 434 stores with more than 1200 terminals. Data centralization and store integration.
Backend
CONAB
2006 - 2007
Development of the inventory control system, NFE, unification of federative units and migration to Postgres.

Skills

android
backend
blockchain
c-plus-plus
crypto
ethereum
javascript
linux
pascal
php
postgres
solidity
english
portuguese