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$20/hr
100%
Job Success
Offers consultations
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Need a working prototype — not just a design file?
I help startups, product teams, and companies develop functional hardware systems that combine mechanical design, electronics, and embedded software into real, manufacturable products.
⭐ Top-rated Plus Mechatronics & Hardware Engineer on Upwork (Top 3% Worldwide), delivering end-to-end solutions in SolidWorks design, robotics, embedded systems, IoT devices, PCB design, and product development.
Proven track record of 50+ completed projects with 5-star client satisfaction.⭐ ⭐ ⭐ ⭐ ⭐
I specialize in turning ideas into fully working electromechanical and IoT systems — not just CAD models or circuit diagrams, but complete integrated hardware solutions ready for testing, validation, and manufacturing.
What I Do Best (High-Demand Skills):
• Robotics & Automation Systems
• Hardware Engineering & Embedded Hardware Design
• IoT Systems & Smart Devices Development
• PCB Design & Electronics Integration
• Mechanical Design (SolidWorks / Autodesk Inventor)
• Functional Hardware Prototyping
• Firmware Development (AVR / C / C++)
• Sensor Integration & Control Systems
• Motion Control Systems
• Hydraulic & Pneumatic Systems
• Design for Manufacturing (DFM / DFA)
• Technical Drawings & Product Documentation
Full Product Development Lifecycle:
✔ Concept development & system architecture
✔ Mechanical engineering design & CAD modeling
✔ Electronics design & PCB development
✔ Embedded firmware & control logic programming
✔ Sensor integration & system validation
✔ Prototype assembly, testing & iteration
✔ Manufacturing preparation (DFM/DFA) & documentation
Industries & Applications:
• Robotics systems
• IoT devices & smart systems
• Industrial automation machines
• Automotive & electromechanical systems
• Hardware MVPs for startups
• R&D engineering prototypes
• Sensor-based monitoring & control systems
Why Clients Choose Me:
✔ Strong cross-disciplinary engineering (mechanical + electrical + embedded)
✔ Focus on buildable, testable, and manufacturable designs
✔ Clear communication and fast response time
✔ Proven track record with 50+ successful projects
✔ Reliable delivery with engineering precision
If you are building a robot, IoT device, machine, or hardware MVP and need a hardware engineer who can take it from concept to working prototype, I’d be happy to collaborate.
Let’s build something real.
$27/hr
100%
Job Success
$10K+ earned
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✅ TOP RATED
✅ 100% Job Success
✅ 7+ Years of Experience
Looking for a reliable partner to bring your embedded systems vision to life?
With 7+ years of hands-on experience in firmware development, PCB design, and Embedded Systems, I specialize in transforming innovative ideas into market-ready products. As your dedicated embedded systems partner, I offer complete end-to-end solutions.
🚀 Providing FULL-CYCLE product development from Idea to Production: Electronics PCB, Firmware, App development, Prototype Testing, Debugging, Manufacturing, and Troubleshooting.
🚀 More than 100 successfully realized projects with manufacturing support in the following areas:
• Embedded Systems & IoT – ESP32, STM32, Nrf52, Raspberry Pi, Jetson Nano, Arduino
• ESPIDF | STMCUBEIDE | ZEPHYR RTOS | ARDUINO IDE
• Embedded Electronics Development
• Industrial Design, DFM, Prototyping
• Machine Vision (rpi, jetson,orangepi)
• AI/ML for Edge Computing – TensorFlow, OpenCV, AI on embedded devices
• Smart Home Electronics
• Wearable Electronics
• Start-up electronics development (Kickstarter, Indiegogo)
• PCB Design, PCB development, Mass Production
• Smart medical devices
• Industrial robotics
•Additive manufacturing
𝗪𝗵𝗮𝘁 𝘀𝗲𝘁𝘀 𝗺𝗲 𝗮𝗽𝗮𝗿𝘁?
In-house prototyping support means faster iterations, better quality control, and seamless communication throughout your project lifecycle. From initial concept to final manufacturing, I'm your single point of contact for reliable, professional embedded systems development.
Ready to turn your next big idea into reality? Click "Invite to Job" to discuss how we can make it happen together.
$35/hr
100%
Job Success
$800+ earned
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I’m a results-driven Embedded Systems Engineer with over 5 years of hands-on experience in designing and developing robust firmware for IoT devices, smart products, and real-time embedded systems. My expertise lies in building reliable, cloud-connected applications using ESP32 and the ESP-IDF framework.
🛠️ I’ve contributed to successful projects across industries, including medical devices, autonomous platforms, smart energy controllers, and flow metering systems. My work spans from low-level driver development to high-level system integration and performance tuning.
My stack includes:
ESP32, STM32, and ARM-based microcontrollers
FreeRTOS for real-time task management and multitasking
Cloud integration via AWS IoT and OTA support
Protocols: UART, SPI, I2C, BLE, Wi-Fi, and MQTT
Web interfaces and mobile integration for smart control
📈 I specialize in building secure, production-ready firmware that’s scalable, efficient, and maintainable.
If you're looking for a reliable engineer to bring your embedded project to life — whether it's a proof-of-concept or a commercial product — let’s connect!
$10/hr
100%
Job Success
$3K+ earned
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I am a seasoned Electronics Design Engineer with over 7 years of experience in developing functional prototypes and PCB boards. As a Senior Hardware Design Engineer and Team Lead, I specialize in both hardware and firmware design, guiding the design process from concept to assembly. My hands-on approach ensures high-quality results, whether leading a team or working independently. Let’s collaborate to bring your ideas to life with precision and efficiency.
$15/hr
100%
Job Success
$800+ earned
Offers consultations
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I’m a systems‑level engineer specializing in LabVIEW, NI ecosystem hardware, embedded IoT, and full‑stack web & mobile interfaces for test and data visualization.
Core Expertise & Solutions
NI Ecosystem & Test Automation: Expert-level development using LabVIEW (DQMH, Actor Framework) and TestStand. I build scalable ATE for production environments using PXI, cRIO, and DAQmx.
High-Speed Hardware Integration: Advanced programming for FPGA and Real-Time targets. I handle complex DAQ (Data Acquisition), RF signal processing with USRP, and automated quality control using NI Vision.
Embedded Systems Development: Custom firmware for ESP32, STM32, and Arduino platforms. I specialize in sensor integration, motor control, and industrial communication protocols.
Modern Web & Mobile Apps: I transform raw engineering data into actionable insights. I build high-performance Web Apps using React and TypeScript, and cross-platform Mobile Apps with React Native, all backed by a scalable Firebase infrastructure.
$25/hr
100%
Job Success
$75 earned
Available now
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I'm Husnain, an Electronics Engineer specializing in PCB design and embedded firmware development.
I handle both hardware and software so you don't need to hire two people — from schematic design and PCB layout to writing the firmware that brings your device to life.
What I can do:
PCB Design (single, double & multilayer boards)
Schematic capture & circuit design
Firmware development (Embedded C/C++)
Arduino, ESP32, STM32 programming
Sensor integration & hardware control
Communication protocols: UART, I2C, SPI, WiFi, BLE
Manufacturing-ready Gerber files & documentation
What you'll get:
Clean, professional PCB layouts ready for manufacturing
Stable, optimized firmware
Clear communication throughout the project
Let's talk about your project - I respond within a few hours.
$20/hr
$100+ earned
Available now
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I am an Electronics Engineer with an MSc in Electronics for Intelligent Systems, Big Data and IoT from the University of Bologna, with academic experience at the Technical University of Munich (TUM). I specialize in PCB design, embedded systems, IoT devices, wireless connectivity, and hardware product development.
I help clients transform ideas into reliable electronic products, from system architecture and component selection to schematic design, PCB layout, prototyping, and hardware optimization.
My experience includes the development of wearable biomedical devices, low-power embedded systems, sensor integration, NFC communication, Bluetooth Low Energy (BLE), Nordic nRF52 and STM32-based platforms, and compact multi-layer PCB designs. I have worked on projects involving biomedical sensing, bioimpedance measurement, wireless devices, and battery-powered IoT systems where performance, power efficiency, and reliability were critical.
My services include:
• PCB Design & Layout
• Schematic Design & Circuit Development
• Hardware Architecture & System Design
• Component Selection & BOM Optimization
• Multi-Layer PCB Design
• STM32 & Nordic nRF52 Development
• Bluetooth Low Energy (BLE) & Wireless Systems
• Sensor Integration & IoT Hardware
• Low-Power & Battery-Powered Electronics
• Hardware Debugging & Design Optimization
I focus on practical engineering solutions, clear communication, and delivering designs that are manufacturable, reliable, and ready for real-world use.
If you are looking for a dedicated hardware engineer to help bring your product from concept to reality-I would be happy to discuss your project.
Serbia
$60/hr
$50K+ earned
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10+ years developing embedded systems and system-level software - from RTOS firmware to complete IoT products.
Author of Tendry Lab - open-source platform (firmware, CI, data infrastructure, UI) for environmental scientists and early-stage hardware startups who need to bootstrap product development without deep embedded expertise. See the portfolio items for more details: control-components, ci-components, device-hub, device-ui.
Recent work: Built patented WiFi mesh system for industrial hydrogen devices. Led firmware teams through CE certification and mass production.
ESP32 Firmware Development:
- 6+ years commercial experience
- Collaborated with Espressif on WiFi Mesh, BLE, and NVS improvements
- Deep expertise in resource-constrained environments and real-time systems
Core technology stack:
- Programming Languages: C, C++17/C++20, Python
- Platforms: ESP32, STM32, FreeRTOS, Linux/POSIX
- Hardware Design: PCB design (KiCad), component selection, bring-up, JLCPCB manufacturing
- Communication Protocols: TCP/IP, UART/SPI/I2C, Modbus, MQTT, BLE
Open to: firmware development, driver work, protocol implementation, IoT products, system software.
$4/hr
88%
Job Success
$1K+ earned
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I specialize in machine learning and deep learning based system development, with hands-on experience in biomedical and brain MRI imaging applications. I have strong experience structuring journal papers, conference manuscripts, thesis chapters, and technical reports, with clear problem formulation, methodological consistency, and proper technical depth. I also provide development and technical services in Python, MATLAB, and Simulink, including model-based embedded system design, power system and power electronics simulation, brain MRI analysis, and STM32-based Modbus communication systems. In addition, I support technical documentation, implementation, and end-to-end system development, ensuring reliable, well-structured, and maintainable solutions for both industrial and applied engineering projects.
$35/hr
100%
Job Success
$100K+ earned
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An experienced, self-motivated software and electronics developer with a proven record of producing successful and reliable products. Widely traveled with plenty of customer-facing experience.
Specialties:
Embedded programming in C, C++ and Assembler (30+ yrs).
PC Programming in C, C++, Delphi, VB, SQL (25+ yrs)
Mobile device programming in Java (Android Studio), B4A (7 yrs)
(Anywhere Systems) and C++ (AppMethod)
Electronic Design & Troubleshooting (30+ yrs).
PCB Design
Customer liaison (both Technical and Sales support)
Full Member, IEEE
Technologies:
STM32 (ARM), PIC, PSoC, Atmel, Silabs, Arduino, ESP32, BLE, Bluetooth, Iridium, GSM, LoRa, NFC, IMU, DSP, Modems, MEMS, Vending Machines, Card Readers, Coin and Note Acceptors. Low Power (battery)
Programming
Bare Metal and RTOS. Use of IAR, STM32, Silabs, Atollic, Keil, Atmel, Arduino toolchains.