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Serhii K.
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Serhii K.

Hardware & Electrical RF Engineer

Expert level electrical and some mechanical/industrial design engineer with 25+ years of experience in the electronic systems hardware development. 3D design of electronic housing. Design from concept to mass production, prototyping and manufacturing. -Electronic circuit and PCB design including multilayer, high-speed, HDI, BGA, -Generation of full manufacturing packages including Gerber files, -Design and development of analog and digital systems, -Laboratory measurement and testing -Troubleshooting and repairing of equipment remotely -Consulting and online support -3D hardware design of enclosure and stack PCB assemblies using SolidWorks -Digital and analog wireless RF, impedance matching, microstrips, EMI, EMC -Antenna design including PCB antennas, feeders -Low power & battery operated devices, fast charging, Solar and other energy harvesting -Motor control -Optic -3D printing, milling and lathe service. I am experienced in: Altiun Designer SolidWorks Protel, PCAD STM32CubeMX Keil, IAR, True Studio, CooCox, AVRStudio SolidCAM, Power Mill ADSimPLL MicroWave Office MicroCap Programming languages: C, ASM Standards and technologies: UART, SPI, I2C, USB, RS232, RS485, BT.656 OLED, LCD, TFT, BLE, MIMS, GPS, RFID Extremely low power design, DC-DC converters, solar cell energy harvesting Lithium battery safe and charging, fast charging Low temperature battery powering

🇺🇦Kiev, Ukraine$75/hr100% JSS4.96 (45)Since Aug 2017

Earnings and projects

MRR
$204

Last 6 months ÷ 6

World#112,707 / 412k
🇺🇦Country#4,161 / 14.3k
Revenue, last 30 days
$963

Last 6 months: $1.2k

World#43,956 / 412k
🇺🇦Country#1,826 / 14.3k
Total earnings
$178k

Billed in all: $180k

World#18,422 / 412k
🇺🇦Country#1,422 / 14.3k
Per project
$3.3k

$408 in the last 6 months

World#51,396 / 412k
🇺🇦Country#2,843 / 14.3k
Projects, last 6 months
3
0% fixed100% hourly
World#66,479 / 412k
🇺🇦Country#2,681 / 14.3k
Projects in all
54

Across 61 contracts

25% fixed75% hourly
World#56,667 / 412k
🇺🇦Country#2,640 / 14.3k

Earnings, last 30 days

$180k+$963 earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$179.0k$179.5k$180.0k$180.5kOct 8Oct 23Nov 7

Skill rankings: Top 25% in Arduino

Ranked by MRR among everyone on Upwork with the skill.

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