Responsibilities & achievements

• Built an electric motorcycle with custom electronics and software. The top speed is 120km/h, and the city range is 120km/h. Type2 charging, 7-inch screen with custom UI. Built a custom 6kWh battery pack from 2170 cylindrical cells. Designed electric drivetrain https://cybbed.com/portfolios/electric-motorcycle/ • Built from scratch electric bicycle with a top-speed 45km/h and 80km range. Custom-built 1.2kWh battery pack. Designed electric drivetrain • Developed IoT gateway based on STM32L micro with integrated custom bootloader, OTA updates, various external sensor support • Developed IoT WEB platform for device monitoring and data processing https://cybbed.com/portfolios/iot-transmitter-andweb-platform/ • Participated in the development of a cycling computer based on an iMX6 processor and Linux • Participated in the development of a smart indoor bike based on the NRF52832 chip • Developed firmware for smart shower, which helped to reduce hot water consumption • Implemented firmware updates functionality for multiprocessor system with STM32 and NRF52840 • Built BSP bring-up (U-boot, Linux, user space applications) • Integrated WiFi module to Yocto and implementation of business logic • Implemented QT frontend for SWUpdate firmware update • Integrated SWUpdates for Pollux IMX8 board (Yocto, U-boot, user-space) Technologies: Linux user and kernel space, C, C++, gdb, gcc, makefiles, git, NRF52, STM32, OTA, WiFi, PCB design, GSM, GPS, ANT, BLE, Yocto, Elbe, SWUpdate, RAUC, QT

Responsibilities & achievements

• Managed a team of 3-4 embedded engineers • Developed software for automotive devices to gather statistics and report to the server • Developed bootloader for STM32 MCU and added OTA support • Worked on a prototype for contactless measuring of water flow • Completely designed and developed software for smart IoT devices which handles user events, drives UI, controls the environment, controls many mechanical and optical parts, and has backend communication via WiFi • Developed firmware for touchscreen (based on Cypress PSoC 4) • Developed a Linux kernel driver for handling touchscreen events • Developed firmware for BLE smart device based on Nordic SoC • Brought up OpenWRT Linux on the MIPS board • Built cross-compilation of different packages for OpenWRT Linux • Ported and optimized firmware based on ST ARM CPU Technologies: Linux user-space app and drivers, C, gdb, gcc, makefiles, git, PSoC 4, OpenWRT, Nordic SDK, STM32, OTA, WiFi, PCB design, GSM

Responsibilities & achievements

• Added new features and enhance existing • Integrated Azure SONiC into a network switch • Developed and enhanced Azure SAI for network switch • Multithreaded network application development and synchronization • Developed a management ACL feature • Enhanced and maintained sFlow protocol • Developed and supported switch maintenance utilities (packet trace, core dump) • L1/L2 protocols and features support • Enhanced and supported a CLI of networking switch • Participated in troubleshooting and debugging • Built full cycle of project documentation design and maintenance • Built ONIE bootloader support Technologies: Linux, C, C++, TCP, UDP, UDLD, VLAN, IPv4, ICMP, gdb, Wireshark, iXia environment, gcc, makefiles, git

Responsibilities & achievements

• Participated in troubleshooting and debugging • Implemented and improved software component • Fixed defects in the networking protocol Technologies: C, gcc, gdb, Javascript, HTML, Wireshark, iXia

Responsibilities & achievements

• Developed real-time OS experience (Linux, ChibiOS) • Designed and developed firmware and hardware for embedded devices (GSM tracker, humidity meter, GPS, accelerometer) • Designed a printed circuit board (PCB) for the device • Used various electrical tools • Tested equipment experience (multimeter, logical analyzer, oscilloscope) • Participated in troubleshooting and debugging Technologies: C, C++, Linux, ChibiOS, gnu tools, makefiles, various measurement tools