I hope you are doing well. I am a mechanical engineer and 3D modeling is my passion. I have 5 years of experience in engineering design and product development for subsequent 3d printing. Here is a brief description of the services I offer:
✔ Concept Design
✔ Mechanical Design
✔ Prototype (3D Printing)
✔ Hardware and Fastener Selection
✔ Thermal Simulation
✔ Stress Simulation
✔ Reverse Engineering
✔ 3D Rendering
Whether you have a photo, an idea, a sketch, or just a rough concept, I can turn it into a 3D model and help bring your product to life.
Arduino
3D Modeling
CAD
3D Design
Mechanical Design
Reverse Engineering
Concept Design
Prototype
3D Rendering
3D Printing
3D Scanning
Autodesk Fusion 360
Electrical Engineering
Electrical Design
Raspberry Pi
Dmytro P.
Kachkivka, Ukraine
$12/hr
5.0
5 jobs
✅ 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!
Electronic Circuit Design
PCB Design
Electronic Design
Electronics
Power Electronics
Analog Electronics
Digital Electronics
Electronic Design Automation Software
STM32
KiCad
Altium Designer
C
Python
PyQt
Embedded C
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❗
Arduino
PCB Design
Multilayer PCB
C++
Microcontroller Programming
Altium Designer
Digital Electronics
Electronic Circuit Design
Embedded C
ESP32
KiCad
Electrical Engineering
Embedded System
C
Python
Raspberry Pi
Firmware Programming
STM32
Mechanical Engineering
Prototyping
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.
Arduino
Arduino Firmware
Electronic Design
ESP32
PCB Design
KiCad
Eagle
C++
Electrical Engineering
Robotics
STM32
ESP8266
Microcontroller
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.
PCB Design
Altium Designer
KiCad
Eagle
STM32
ESP32
Raspberry Pi
nRF52
Embedded C
EasyEDA
PLC Programming
Electronics
Embedded System
Firmware Programming
Electronic Circuit Design
OLEH V.
KAMYANETS-PODILSKIY, Ukraine
$28/hr
5.0
15 jobs
I am writing programs last 30 years. I have been programming languages C, C++, Java, C#, SQL, javascript, html, pascal, php, assembler, basic, python. I worked with Linux, Novell Netware, Windows, OS/2(ATM). I have been working for 10 years in different banks. I have deep knowledge in programming for financial institutions. Of course I create software and services for bank data base. I create 3d details in Solidworks and CAD system. I write desktop applications, web and mobile applications.
I am writing code easier to understand, I do a lot of comments, I try to maximize test and exclude all of the error. I am also record in the log file to identify any errors in the application. This approach pays off when the need to make changes to it in the future.
When I work, I am constantly in touch with the customer to ensure better cooperation between us. So, if we work together, you can expect that I will be constantly available, because if I were in your position, I would like the same thing.
Experienced in:
+ Small and Very Large Databases
+ Desktop application
+ Client-server applications
+ Mobile application
+ 2D Game application
+ Small Web application development
+ Structured and OOP development best practice.
+ Work within a technically complex and fast-paced environment.
+ Solution researching and prototype development.
+ 3D modeling parts of mechanisms
Specialties:
+ Application Platforms: Desktop, Mobile and Web
+ Concepts: OOP, Design Pattern, 3D modeling
+ Languages: C#, Java, PHP, AJAX, SQL, C/C++, Pascal, Markups (XML, html, CSS), Python
+ Database Systems: PostgreSql, Sybase ASE, MySQL, Microsoft SQL Server, Oracle, Firebird, MS Access, SQLite
+ Application Server: Apache, IIS
+ Operating Systems: Linux, Windows, Android
+ Tools: Visual Studio, Eclipse, C++Builder, Delphi, Solidworks, Archicad, Arduino
Why should you hire me?
- 100% money back guarantee if not satisfied for any reason
- I am always available to communicate
MySQL
SQLite
PostgreSQL
C#
Microsoft Visual Studio
.NET Framework
ASP.NET
Web Crawling
Python
ESP32
API
.NET Core
Multithreaded Programming
JavaScript
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