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Dmytro S.
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Dmytro S.

Embedded Hardware/Firmware Engineer | AVR | STM32 | ESP32 | KiCad

Embedded hardware and firmware engineer with 25+ years of experience developing electronic devices from idea to production. I design schematics, PCBs, embedded firmware and help clients bring prototypes to manufacturable products. Experience includes industrial electronics, battery-powered devices, IoT, sensors, communications interfaces and microcontroller firmware.

🇺🇦Barvinivka, Ukraine$39/hr100% JSS4.56 (31)Since May 2022
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Earnings and projects

MRR (estimate)
≈$566

An estimate from an earlier read

World#72,820 / 412k
🇺🇦Country#2,911 / 14.3k
Revenue, last 30 days
$938

Last 6 months: $3.4k

World#44,753 / 412k
🇺🇦Country#1,850 / 14.3k
Total earnings
$34k

Billed in all: $35k

World#102,006 / 412k
🇺🇦Country#5,464 / 14.3k
Per project
$649

$340 in the last 6 months

World#159,297 / 412k
🇺🇦Country#6,915 / 14.3k
Projects, last 6 months
10
90% fixed10% hourly
World#18,298 / 412k
🇺🇦Country#848 / 14.3k
Projects in all
52

Across 56 contracts

82% fixed18% hourly
World#58,779 / 412k
🇺🇦Country#2,723 / 14.3k

Earnings, last 30 days

$34.9k+$807 earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$34.0k$34.5k$35.0kOct 8Oct 23Nov 7

No data since Nov 5, 2026.

Skill rankings: Top 20% in Arduino Firmware

Ranked by MRR among everyone on Upwork with the skill.

  1. #18Analog Circuit80 freelancers · 🇺🇦 #1Top 23%
  2. #30Eagle146 freelancers · 🇺🇦 #2Top 21%
  3. #41Arduino Firmware204 freelancers · 🇺🇦 #1Top 20%
  4. #42Microcontroller194 freelancers · 🇺🇦 #3Top 22%
  5. #49Analog Electronics193 freelancers · 🇺🇦 #3Top 25%
  6. #83Electronic Design352 freelancers · 🇺🇦 #6Top 24%
  7. #94Electronics432 freelancers · 🇺🇦 #6Top 22%
  8. #95Multilayer PCB310 freelancers · 🇺🇦 #4Top 31%