Summary

• 👋 Founder of Rumix Technologies Inc.
• 👋 Co-Founder and CTO of Prokey Technologies and Paymento
• 👉 Able to manage a team of hardware and software developers
• 👉 Able to manage a Hardware project from A to Z, from a simple block diagram and schematic to mass production
• 👉 More than 18 years of experience in Embedded Systems, Circuit design and Firmware development.
• 👉 More than 11 years of experience in Software development including Windows and Web applications.
• 👉 More than 6 years of experience in blockchain development, cryptocurrency and cryptography.

Hardware and embedded systems experience

• STM32, STM8, Atmel AVR, some experience in ESP32
• C Prgramming Language
• Schematic and PCB design (Altium designer and Limited experience in KiCad)
• Mass production
• 🔆 Experience of
  • Real time systems
  • RTOS
  • PID Controllers
  • Secure Bootloader
  • USB (CDC, HID, WebUsb)
  • ISO/IEC 14443, ISO/IEC 7816 for offline payment systems
  • Ethernet, CAN, RS232, RS485, SPI, PWM, ADC, External Memory, etc. etc.
  • Character, Dot-matrix, TFT and OLED displays

Software skills and experience

• C, C++ and C#
• Windows Form, WPF and AvaloniaUI
• ASP.net MVC and WebApi
• SQL Database and Entity Framework
• Typescript and Angular
• Semantic and Asymmetric encryption like AES, 3DES, ECDSA, HMAC, SHA, etc, etc cryptography
• Good understanding low level socket programming and protocols like TCP, UDP
• Blockchain and Cryptocurrency
• Limited experience in OpenCV and Image processing
• Linux and limited experience in bash script

My flagship projects

• 🔆 Paymento Non-Custodial Crypto Payment Gateway
• 🔆 Opensource Prokey Hardware Wallet prokey.io
• 🔆 Bowling Scoring System
• 🔆 4 & 6 Cylinder Engine Control Unit for Power Generator engines
• 🔆 Smart Card Reader (Java Card, Mifare, Desfire)