Hire Circuit Design Designers in Brazil
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Lauro C.
Circuit Design Professional
Londrina, Brazil
- MQTT
- ESP32
- Arduino
- PCB Design
- CAD Design
- C Programing
- Circuit Design
- Web Developers
- C++ Developers
- Microcontrollers
- Python Developers
- Engineering Design
- Arduino Programming
- PCB Design Services
- Firmware Developers
- Embedded systems PCB
- Firmware Development
- Industrial Automation
- Industrial IoT (IIoT)
- IoT & Embedded Systems
- Internet of Things (IoT)
- Electronics Design Service
- Prototype Design Engineering
- Machine Learning (ML) Engineers
- Electrical Circuit Design Services
- Electrical Schematic Drawing Services
Embedded systems architect with extensive experience designing, developing, and mass-producing mission-critical electronic products for the energy, utilities, security, and oil & gas sectors. I've su... Read more
Embedded systems architect with extensive experience designing, developing, and mass-producing mission-critical electronic products for the energy, utilities, security, and oil & gas sectors. I've successfully delivered 8+ commercial hardware products currently deployed at scale across hundreds of field units. My work spans the full product lifecycle — from concept and R&D, through circuit design and PCB layout, to firmware development and mass manufacturing. Core expertise: - Microcontrollers: ESP32, STM32, ARM Cortex, Arduino - PCB Design: from schematic to production-ready Gerbers - Firmware: C/C++, FreeRTOS, OTA remote updates, MQTT, device drivers - Communication: LoRa, BLE, Wi-Fi, Cellular (2G/3G/4G), Satellite, VHF, RS485 - Sensors: Ultrasonic, seismic, acoustic, optical, temperature, pressure, current/voltage - IoT & Cloud: AWS IoT, MQTT, web dashboards - Power: Solar, ultra-low power design, battery management, energy harvesting All my firmware deliverables include a built-in OTA (Over-The-Air) update system with a web-based MQTT management interface — fully developed and field-tested across hundreds of devices. Highlights: - 3 technology patents (gas metering, ultrasonic measurement, optical coding) - Petrobras Inventor of the Year award - National Innovation Award (CNI - Brazil) - International publication (Society of Petroleum Engineers) - Postgraduate specialization in Artificial Intelligence I deliver production-ready solutions — not just prototypes.
$30/hr
Michel S.
Circuit Design Professional
Brazil
- Drafting
- CAD Design
- 2D AutoCAD
- QEletro tech
- Circuit Design
- Electrical Design
- EPLAN Electric P8
- Instrument Layouts
- Electrical Drafting
- Electrical Drafting
- 2D Electrical Design
- CAD Drawing Services
- PDF to CAD Conversion
- CAD Migration Services
- 2D CAD Design Services
- CAD Conversion Services
- 2D CAD Drafting Services
- AutoCAD Drawing Services
- CAD Digitization Services
- Electrical Instrumentation
- AutoCAD Conversion Services
- 3D CAD Translation Services
- 2D to 3D Conversion Services
- Electrical As-Builts Drafting
- Instrument As-Builts Drafting
- Fabrication Drawings Services
- Electrical 2D Drafting Services
- Electrical Instrumentation Services
- Electrical Circuit Design Services
- Electrical Schematic Drawing Services
I’m an experienced Electrical Engineer with 20 years in the field, now bringing my expertise to the freelance world. My strengths include electrical drafting, circuit design, and power distribution pl... Read more
I’m an experienced Electrical Engineer with 20 years in the field, now bringing my expertise to the freelance world. My strengths include electrical drafting, circuit design, and power distribution planning using CAD and other industry tools. I’ve led projects in residential, commercial, and industrial systems, always focused on safety, precision, and efficiency. With a solid engineering background and hands-on experience, I’m ready to deliver high-quality solutions for your electrical design needs.
$25/hr
Mart
Circuit Design Professional
Eindhoven, Netherlands
- LTSpice
- PCB Design
- CAD Design
- DIY Design
- 3D Rendering
- PCB Assembly
- 3D Modeling
- Circuit Design
- General Design
- Altium Designer
- PCB Layout Design
- 2D to 3D Modeling
- 3D Printing Design
- Electronic Devices
- 2D to 3D Conversion
- Electrical Drafting
- PCB Design Services
- Reverse Engineering
- General CAD Drafting
- Electrical CAD Design
- Electrical Engineering
- Electrical Engineering
- Mach3 CNC Control Software
- Electronics Design Service
- Printed Circuit Board Design
- 2D to 3D Conversion Services
- Electronic Enclosures Design
- Rhinoceros (RhinoCAD, Rhino 3D)
- Electrical Schematic Drawing Services
$20/hr
Suparna S.
Circuit Design Professional
Kolkata, India
- esp32
- LoRaWAN
- AutoCAD
- Arduino
- LoRaWAN
- Node-Red
- PCB Design
- CAD Design
- SolidWorks
- 3D Modeling
- Programming
- Prototyping
- CAD Modeling
- 3D Modeling
- Python Script
- Circuit Design
- Product Design
- Web Developers
- microcontroller
- 3D Product Demo
- Industrial Design
- Mechanical Design
- 2D to 3D Modeling
- Electronics Design
- 3D Design Services
- iOS App Developers
- Product Development
- Digital Electronics
- Mechanical Engineer
- PCB Design Services
- Reverse Engineering
- 3D Product Modeling
- Manufacturing Design
- 3D Rendering Services
- Mechanical Engineering
- Mechanical Engineering
- Structural Engineering
- 3D 360 Degree Panorama
- 3D Scan to CAD Service
- Android App Developers
- Gerber PCB Design Files
- Internet of Things (IoT)
- 3D Architectural Modeling
- Prototype Design Engineering
- Product Design and Development
- SolidWorks Engineering Services
- Electrical Circuit Design Services
Last updated: May 23, 2026
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