✅ Hardware Designer | ✅ Embedded & Firmware Developer | ✅ Software Engineer
I'm an experienced electronic engineer with over 14 years of expertise in hardware and software design. My key strengths include:
- PCB Design
- Circuit Design
- Firmware Development for STM8 & STM32
Whether you need a custom PCB layout, a sophisticated circuit, or reliable firmware, I’m here to deliver innovative solutions that meet your needs.
Core Skills:
- Programming: C, C++, Python, PyQt, Bash
- Tools: KiCAD, Altium Designer, LtSpice, IAR, STVD + COSMIC, Keil, Postman, Wireshark, PyCharm, MySQL Workbench, Visual Studio, Eclipse, Git
Extended Experience
In my most recent project, I utilized:
- Project Management Tools: Jira, Confluence, Bitbucket
- Embedded Software: C, C++, Python, Embedded Linux, MariaDB, Qt
- PC Software: Python, PyQt
- Cloud Technology: AWS, Python, MariaDB, Docker, JavaScript
- PCB Design Tools: Altium Designer, KiCAD, LtSpice
- Testing & Debugging: UL2524, Wireshark, Postman, MySQL Workbench, Oscilloscope, Digital Analyzer, Soldering Equipment
Let's Work Together:
With my broad skill set and attention to detail, I can turn complex engineering challenges into seamless, practical solutions. I’m excited to collaborate and bring your projects to life!
STM32
Electronic Circuit Design
PCB Design
Electronic Design
Electronics
Power Electronics
Analog Electronics
Digital Electronics
Electronic Design Automation Software
KiCad
Altium Designer
C
Python
PyQt
Embedded C
Vasil M.
Irsava, Ukraine
$30/hr
5.0
25 jobs
I'm an Electronic Engineer/PCB Designer with 4+ years of experience. Work as a freelancer since 2019. Most of my projects are home automation, IoT devices and LED lights. Provide hardware(circuit diagram, PCB design, prototyping) and firmware(Arduino, ESP32/8266, STM32, C/C++, Python) developing.
STM32
Electronic Design
Arduino
ESP32
PCB Design
KiCad
Arduino Firmware
Eagle
C++
Electrical Engineering
Robotics
ESP8266
Microcontroller
Dmytro S.
Barvinivka, Ukraine
$55/hr
4.5
52 jobs
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.
Microcontroller Programming
Arduino Firmware
Microcontroller
Electronics
Altium Designer
Electrical Design
Analog Electronics
Hardware Design
Eagle
Analog Circuit
Electronic Design
Circuit Design
PCB Design
KiCad
Multilayer PCB
Maxim G.
Cherkasy, Ukraine
$35/hr
5.0
10 jobs
I am a Hardware Engineer with 10+ years of experience in PCB Design, Microcontroller Programming, and Embedded Systems development. I specialize in building robust Hardware solutions using ESP32, STM32, Arduino, and Raspberry Pi platforms. From initial Schematic capture in Altium or KiCad to final production-ready devices, I deliver high-performance electronics that work in the field.
Highlights:
- 100% Client success score
- 95% first-pass PCB success rate across 100+ boards
- Reduced BOM cost by 10–20% per unit through component optimization
- Designed and reviewed 100+ PCBs across IoT, industrial, and automotive sectors
- Firmware optimized on battery-powered ESP32 devices
📍 Core Services:
Professional PCB Design & Schematic Capture
- High-quality PCB Design delivery using Altium and KiCad with 100+ commercial products launched globally.
- Schematic development and PCB Design for high-density multilayer boards (up to 16+ layers, microvias, HDI).
- Hardware Design focusing on DFM/DFA, achieving 98% First-Time-Right fabrication with zero board respins.
- Expertise as a PCB Designer in Altium Designer, KiCad PCB, and EasyEDA with 10,000+ hours of hands-on layout experience.
- PCB Design for PCB Audio, RF (up to 6+ GHz), and high-speed digital interfaces (DDR4/PCIe Gen4 length matching).
- Professional PCB Design and Circuit Designer services for Electronics projects, cutting time-to-market by 30% via IPC-Class 3 compliance.
Expert Microcontroller Programming & Firmware:
- Expert Microcontroller Programming for diverse industrial and consumer platforms with 99.9% uptime in production.
- Microcontroller Programming for ESP32, STM32, Arduino, and Raspberry Pi, covering 200+ deployed nodes.
- Embedded Systems development using Embedded C and C language, optimizing memory footprint by up to 40%.
- Custom Firmware and Embedded Software for Embedded Systems IoT applications with MISRA C compliance and AES-256 security.
- Advanced Microcontroller Programming for ESP32 Firmware, STM32 HAL, and Arduino Programmer tasks with FreeRTOS multi-threading.
- Embedded Systems and Microcontroller Programming for Robotics and Python-based logic, accelerating sensor polling rates by 3x.
Strategic Leadership & IoT Solutions:
- I lead ARTAXE Electronics, a hardware engineering team. As CEO and Electronics Engineer, I ensure every Embedded Systems project is scalable and commercially viable, managing $500K+ in R&D budgets.
- IoT architecture for ESP32 and Raspberry Pi systems, supporting 10k+ active concurrent devices in the cloud.
- Embedded Systems Engineer services for Embedded Systems with long-range connectivity (LoRaWAN/LTE-M up to 15km range).
- Integration of Schematic designs with Antenna Design and PCB Firmware, improving signal integrity and wireless range by 25-30%.
- Deployment of Embedded Systems for AgTech (PivotHawk) and industrial monitoring across 50,000+ hectares / 100+ industrial sites.
Mechanical Design & Enclosure Development
- Bridging the gap between an Electrical Engineer and a Mechanical Engineer, ensuring 0mm clearance errors via precise ECAD-MCAD co-design.
- Mechanical Design using SolidWorks, AutoCAD, and CAD tools with 0.05mm tolerance precision.
- Enclosure Design and Industrial Design for IP-rated devices (up to IP67/IP68 water & dustproof standards).
- Professional Mechanical Design Engineer and Enclosure Designer support, optimizing parts for injection molding to cut tooling costs by 20%.
- Mechanical Designer services for custom Hardware housing, validated through 50+ rapid prototypes (3D-printed ASA/SLA).
Why Partner With Me❓
✅ Altium & KiCad Mastery: Expertise in Altium for high-end professional projects and KiCad for open-source flexibility. The workflow in Altium ensures precision, while KiCad provides cost-efficiency.
✅ Prototyping & Production: I don't just create a Schematic; I deliver a working device. From Arduino prototypes to STM32 production units.
✅ Comprehensive Hardware Support: Every Hardware project includes a thorough Schematic review and PCB Design Circuit Design validation.
✅ Reliable Microcontroller Programming: Providing Embedded Engineer grade code for ESP32, STM32, and Raspberry Pi nodes.
💡 Technical Toolkit:
✅ Software: Altium, KiCad, EagleCAD, EasyEDA, SolidWorks, AutoCAD.
✅ Platforms: ESP32, STM32, Arduino, Raspberry Pi, nRF52, i.MX8.
✅ Focus: Embedded Systems, IoT, PCB Design, Microcontroller Programming.
Ready to bring your hardware vision to life❓
From the initial Schematic stage to the final PCB Design and production support, I am dedicated to your project's success. Whether you need a simple prototype or a complex Hardware system, let's discuss how my expertise can drive your innovation forward.
❗ Click the "Message" or "Invite" button to start a conversation about your project today❗
STM32
PCB Design
Multilayer PCB
C++
Microcontroller Programming
Altium Designer
Digital Electronics
Electronic Circuit Design
Embedded C
ESP32
KiCad
Electrical Engineering
Embedded System
Arduino
C
Python
Raspberry Pi
Firmware Programming
Mechanical Engineering
Prototyping
Serhii D.
Kharkiv, Ukraine
$40/hr
5.0
13 jobs
Nordic Bluetooth, Zephyr, nRF Connect SDK, nRF Mesh, Cypress/Infineon BT/WiFi, STM32,
Silabs, Espressif ESP32, NEC/Renesas/Dialog, Atmel/Microchip, Arduino preferably. C/C#/Python
Have over 11 years of professional experience in electronics development, embedded systems, hardware design, IoT.
In past I have worked for prosperous Startup, manufacturer company and have designed electronics products from scratch to mass production.
Experienced in development and testing of embedded systems.
MCU:
Nordic nrf52 BT SoC.
Espressif ESP32 WiFi BT.
Cypress/Infineon PSoC6 BT/WiFi WICED
ST STM32 F0, L4, L4+ Cortex-M0-M4.
ST Bluetooth 5 BLUENRG-2
SiLabs (Energy Micro) EFM32 ARM Cortex-M3
Atmel AT90S, ATtiny, ATMEGA, XMEGA..
Microchip 12F, 16F, 18F.
Renesas/Dialog (Nec) 78k. DA.
Rockchip.
Development Tools
- Eclipse
- IAR
- CodeVisionAVR
- Keil µVision IDE.
- Visual Studio
- Altium
- GCC
- CCS C Compiler
- Arduino
VERSION CONTROL/BAG TRACKING
- SVN
- Git
- Jira
- Asana
Arduino
nRF52
Embedded C
Bluetooth
Embedded Linux
ESP32
WiFi
Sensor
Hardware Prototyping
PCB Design
Atmel AVR
Wearable Technology
Artem H.
Ivanivtsi, Ukraine
$60/hr
5.0
3 jobs
I am a dedicated Embedded Electronics Engineer with a passion for turning innovative ideas into reality. My expertise lies in designing and developing embedded systems, IoT solutions, and electronic devices.
My Skills:
- Embedded Systems Design
- PCB Design and Layout
- Microcontroller Programming (ARM, AVR, PIC)
- IoT Development
- Firmware Development
- Sensor Integration
- Wireless Communication (Bluetooth, Wi-Fi, RFID)
- Analog and Digital Circuit Design
- Prototyping and Testing
- PCB Manufacturing and Assembly
My Recent Projects:
- Designed and implemented a low-power IoT device for remote environmental monitoring, reducing energy consumption by 30%.
- Developed a real-time embedded system for a medical device, ensuring compliance with industry standards and regulations.
- Created a custom PCB for a wearable fitness tracker, optimizing space utilization and improving overall product reliability.
I am always open to new and exciting projects that allow me to push the boundaries of embedded electronics. If you have an idea or a project that requires the expertise of a seasoned Embedded Electronics Engineer, let's connect! I am eager to discuss how I can contribute to the success of your venture.
STM32
PCB Design
Altium Designer
KiCad
Eagle
ESP32
Raspberry Pi
nRF52
Embedded C
EasyEDA
PLC Programming
Electronics
Embedded System
Firmware Programming
Electronic Circuit Design
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