EXPLORE


5.7
5.7
100%
$35 USD / Hour
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Ukraine (1:29 AM)
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Joined on November 23, 2025
$35 USD / Hour
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Hello. I am an experienced 🧧Electronics & PCB Design Engineer with 10+ years🧧 of experience in electronic hardware development, PCB design, industrial electronics, CNC machine electronics, embedded systems, automation, and product development. My experience covers the complete development cycle from concept, schematic and component selection through PCB layout, prototyping, testing, troubleshooting, commissioning, and preparation for manufacturing. 🔧 CNC & Industrial Automation Experience • CNC machine control electronics • CNC plasma and milling machine systems • Machine control panels and electrical systems • Motor and actuator integration • Sensors and data acquisition • Controllers and embedded control systems • Power supplies and power electronics • Relays, contactors, and electrical protection • Machine safety and control systems • Industrial automation and process control • PLC programming and machine automation • Electrical control systems • Integration of mechanical, electrical, electronic, and software systems • Machine commissioning, troubleshooting, optimization, and improvement ⚡ Electronics & PCB Design My core electronics experience includes: • Analog and digital electronics • Electronic hardware development • Schematic design • PCB layout • Multilayer PCB design • Component selection and engineering • Component and footprint libraries • Design optimization • Design for Manufacturing (DFM) • PCB prototyping and testing • Hardware troubleshooting and modification • Manufacturing documentation • Small-batch electronics production 🧠 Embedded & Industrial Electronics • ESP32 • STM32 • Arduino / AVR / ATmega • Microcontrollers • Sensors and ADC systems • I2C / UART • Wireless communication • LoRaWAN • Cellular communication • Low-power electronics • IoT systems 🏭 CAD / CAM / Manufacturing In addition to electronics, I have practical experience with: • 3D CAD design • 3D modeling • CAM • CNC manufacturing • 3D printing • Rapid prototyping • Mechanical/electronic product development • Small-batch manufacturing 🚀 Complete Product Development I can support projects from the initial engineering concept through: Requirements → System Architecture → Schematic → Component Selection → PCB Design → Mechanical/CAD Integration → Prototype → Testing → Debugging → Commissioning → Manufacturing Documentation → Small-Batch Production I am particularly interested in projects involving CNC machines, industrial automation, machine control, custom electronics, embedded systems, PCB development, IoT, and electromechanical products. If you need an engineer who can understand both the electronics/PCB side and the actual industrial machine environment, I can provide end-to-end engineering support for your project.
Verifications
On time
100%
On budget
100%
Accept rate
88%
Repeat hire rate
11%

Ultra-wide range DC regulator

Ultra-wide range DC regulator

Ultra-wide range DC regulator

Ultra-wide range DC regulator

ESP32 IoT Gateway with 4G Modem

ESP32 IoT Gateway with 4G Modem

ESP32 IoT Gateway with 4G Modem

Ras CM4 with 4-way PCIe Gen 2 Switch

Ras CM4 with 4-way PCIe Gen 2 Switch

Ras CM4 with 4-way PCIe Gen 2 Switch

ESP32 Poly-Phase Power Meter

ESP32 Poly-Phase Power Meter

PLC Panel

Multi Power Board Design with Altium

Ultra-wide range DC regulator

Ultra-wide range DC regulator

Ultra-wide range DC regulator

Ultra-wide range DC regulator

ESP32 IoT Gateway with 4G Modem

ESP32 IoT Gateway with 4G Modem

ESP32 IoT Gateway with 4G Modem

Ras CM4 with 4-way PCIe Gen 2 Switch

Ras CM4 with 4-way PCIe Gen 2 Switch

Ras CM4 with 4-way PCIe Gen 2 Switch

ESP32 Poly-Phase Power Meter

ESP32 Poly-Phase Power Meter

PLC Panel

Multi Power Board Design with Altium
Yaroslav demonstrated extensive expertise in HIGH-Voltage and High-current PCB design. He has a strong understanding of power distribution, thermal management, component selection, and designing reliable power electronics systems. I would like to work with him again on future hardware projects.
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Great work ! Smooth exchange and proactive Project delivered in time
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Yaroslav is a reliable professional. He delivered the PCB design exactly as requested, meeting both the deadline and the agreed budget. The final deliverables were technically sound and according to the instructions provided. If you have clear requirements and need someone to execute the layout and routing efficiently, he is a solid choice. Thanks for the work!
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Fast response and very experienced engineer.! No need to spend lots of time explaining what you want. 5 stars from Denmark!!
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Yaroslav delivered a clean and well-organized 4-layer PCB design for a complex ESP32-S3 controller with LTE (BG95-M4), PoE, Ethernet, RS-485, and relay outputs. He proactively flagged component availability issues (BG95-M3 stock, ESP32 N32R8) and proposed solid alternatives. Strong technical skills, good communication, and production-ready JLCPCB files delivered on time. Will hire again.
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Experience
PCB & Embedded Systems Engineer
Jan, 2021 - Present
•
5 years, 7 months
TechNova Automation Ltd.
Jan, 2021 - Present
•
5 years, 7 months
- I have designed over 60 custom PCBs for industrial automation, IoT, PLC expansion modules, and embedded controllers. - I have developed firmware for STM32, ESP32, AVR, and ARM-based systems. - I have led complete product cycles from schematic to manufacturing, including BOM optimization and DFM reviews.

Kyiv, Ukraine
Jan, 2021 - Present
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5 years, 7 months
Embedded Hardware Engineer
Feb, 2018 - Dec, 2020
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2 years, 10 months
EuroLogic Systems
Feb, 2018 - Dec, 2020
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2 years, 10 months
- I have designed multi-layer PCBs for motor control, power converters, and industrial signal conditioning. - I have Implemented RS-485, CAN, Ethernet, Modbus, and isolated I/O interfaces. - I have collaborated with firmware teams to optimize hardware–software integration.

Lviv, Ukraine
Feb, 2018 - Dec, 2020
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2 years, 10 months
PLC & Automation Engineer
Mar, 2016 - Jan, 2018
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1 year, 10 months
Delta Industrial Controls
Mar, 2016 - Jan, 2018
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1 year, 10 months
- I have developed and integrated PLC-based automation systems (Siemens, Omron, Allen-Bradley). - I have designed control panels, sensor interfaces, and industrial communication networks. - I have led commissioning and troubleshooting of field systems across multiple sites.

Kharkiv, Ukraine
Mar, 2016 - Jan, 2018
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1 year, 10 months
Education
Kharkiv national university of radioelectronics
2012 - 2016
•
4 years
Bachelor of Electrical and Electronic Engineering

Ukraine
2012 - 2016
•
4 years
Certifications
P
Preferred Freelancer Program SLA