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$60 USD / hour
Flag of USFlag of US
$60 USD / hour
It's currently 1:53 pm here
Joined June 8, 2020
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William Yogendra D.

@williamdevkota

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$60 USD / hour
Flag of USFlag of US
$60 USD / hour
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On Time
33%
Repeat Hire Rate

Senior Hardware || Firmware Engineer

have 8+ years of freelance experience in PCB design and layout, firmware programming, and rapid prototyping. Here is a non-exhaustive list of software skills and chipset familiarity: - Great skill with C/C++, embedded Linux, Firmware, QT, Python, PyQT, C#, Java - Strong experience with wearable devices, Smart Watch, medical devices like PPG and ECG, Power electrical, and Solar energy. - PCB layout and schematic capture with Altium, Cadence, Eagle, etc., with multilayer, flexible, high-speed embedded systems - FPGA programming with Verilog/VHDL: Altera Quartus, Xilinx, iCECube - Experience with low-cost MCU/single-board prototyping platforms: Arduino, Beaglebone, Raspberry Pi, NanoPi, etc. - ARM: ATSAM, STM32, PIC32, A13, FreeScale, MSP, NXP - MPU: Pic33F/18F/16F, Atmega 80251, 8052, 8951, 8051, 16, 32, 128 - Digital interfaces and wireless transmission: UART, I2C, SPI, BLE, BT, GSM/GPRS/GPS, xBee, ZigBee (particular experience with BLE HM10, HC05, ESP32, DA14508, nRF52832, 52840, BlueNRG) I also have a background in mechanical engineering and industrial design; I can implement my work into fully realized products for you. Expect me to help your business as if I am growing my own.
Freelancer
C Programmers
United States

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Portfolio Items

This project was to design test device for mass produced power supply. For saving time for the testing samples, client asked to design custom tester device.
Project was successful and he saved much time in the production line
Power Electronics
This project was to design test device for mass produced power supply. For saving time for the testing samples, client asked to design custom tester device.
Project was successful and he saved much time in the production line
Power Electronics
This project was to design test device for mass produced power supply. For saving time for the testing samples, client asked to design custom tester device.
Project was successful and he saved much time in the production line
Power Electronics
This project was to design test device for mass produced power supply. For saving time for the testing samples, client asked to design custom tester device.
Project was successful and he saved much time in the production line
Power Electronics
This is BGA PCB design of 6 layers with very high frequency and high speed RAM interface
BGA PCB with high speed RAM close
This device have the functions of GSM, BLE, ODB2 interface and so on.
GPS TRACKER
I have built this VST app with C#.
VST
I have built this VST app with C++.
VST

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Experience

Senior Software and Firmware Engineer

VadaTech CJSC
Mar 2012 - Mar 2016 (4 years)
I have developed 1kW solar charger with ble function using nrf52832.

Education

Master of Electrical Engineering

Northern Arizona University, United States 2008 - 2012
(4 years)

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Top Skills

Circuit Design
C Programming
Linux
Wireless
Engineering

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