💯 100% Job Success | 💲 $80K+ Earned | 70+ Projects Completed
✅ 10+ Years of Embedded Systems Experience
✅ Top Rated Freelancer on Upwork
✅ 100% Job Success Score
✅ $80K+ Earned | 2,600+ Hours Worked
✅ End-to-End Product Development Support
✅ Hardware + Firmware + IoT + Software Team Support
I help startups, founders, and businesses design and develop reliable, cost-effective, and production-ready embedded products.
My core expertise is in embedded hardware design, PCB design, and firmware development. Since 2013, I have worked on a wide range of products in industrial automation, IoT, wireless systems, energy products, smart devices, and consumer electronics.
While hardware is my primary specialization, I also provide embedded software, mobile app, web dashboard, and backend development support through my team of engineers. This allows clients to work with one reliable partner for complete end-to-end product development.
✅ Why Clients Work With Me
10+ years of experience in embedded product development
Strong expertise in hardware + firmware co-development
Hands-on experience with production-ready PCB design
Support from prototype stage to final product
Clear communication and practical engineering approach
Long-term project support and reliable execution
✅ Core Services
Embedded hardware design
Schematic design
PCB design and layout
Firmware development in C
Board bring-up and debugging
Wireless and IoT product development
Prototype to production support
Mobile and web applications for connected products
✅ Hardware & PCB Design Expertise
2-layer, 4-layer, and 6-layer PCB design
Compact, low-cost, and manufacturable board design
Analog and high-speed PCB design
Hardware debugging and optimization
Product redesign and cost optimization
✅ Embedded Systems & Firmware Expertise
Worked with 8-bit, 16-bit, and 32-bit microcontrollers from:
Texas Instruments
Microchip / Atmel
STMicroelectronics
NXP
Espressif
Nordic Semiconductor
Strong hands-on experience with:
UART
I2C
SPI
ADC / DAC
RTC
Timers
MMC and related interfaces
✅ Wireless Technologies
Bluetooth Low Energy (4.0 / 4.2 / 5)
Wi-Fi
Zigbee
MiWi
GSM (2G / 3G / 4G)
GPS
Sub-GHz RF
✅ End-to-End IoT Development
Along with hardware and firmware, I also support complete IoT ecosystem development through my team, including:
Android and iOS mobile apps
Web dashboards
Backend / server development
Cloud-connected IoT systems
✅ Industries & Solutions
I have worked on products related to:
Industrial automation
IoT and connected devices
Smart agriculture
Energy and power systems
EV charging solutions
Fuel / gas dispensing systems
Consumer electronics
Wireless embedded products
Whether you need PCB design, embedded hardware, firmware development, wireless integration, or a complete IoT solution, I can help turn your idea into a reliable working product.
PCB Design
Layout Design
Embedded C
RF Design
Hardware Design
Internet of Things Solutions Design
Electronic Design
Internet of Things
Software Development
Embedded System
Core Bluetooth
Microcontroller
Digital Electronics
Circuit Design
Analog Circuit
Microcontroller Programming
Vishnu C.
Belgaum, India
$5/hr
4.7
43 jobs
I am an electronics and firmware developer with experience in PCB design, firmware development, prototyping and SMD assembly. My journey started with hand crafting single sided PCBs — giving me a strong practical foundation from the ground up.
PCB Design:
2 and 4 layer PCB design in KiCad 8,Kicad 9(Soon migrating to Kicad 10) & EasyEDA(Standard & Pro version) .
Former EagleCAD user
Schematic to manufacturing ready layout
Custom footprint creation
Gerber, drill, pick and place and BOM files
Full submission support for JLCPCB(PCB & PCBA) and similar manufacturers
Assembly & Prototyping:
SMD soldering — 1206-0402 passives, QFN, TSSOP (except BGA)
Through hole soldering
Small batch prototype assembly
Component procurement support
Firmware & Connectivity:
Microcontrollers — ESP32, ESP8266, Arduino, AVR, 8051
Cellular — Quectel EC25 & SIMCom SIM7672 with MQTT SSL/TLS
Wireless — LoRa, WiFi, Bluetooth, GSM
GPS — Ublox & Quectel module integration
Displays — OLED, TFT, capacitive touch
Protocols — I2C, SPI, UART, MQTT SSL/TLS, HTTP REST
Motor drivers, WS2812 LED arrays, power circuits
GPS- Quectel L89, Ublox M10S
Special - WS2812 Led
Projects include:
GPS trackers, GSM security systems, water level controllers, , line followers, obstacle detection robots, WS2812 LED arrays and various ESP32 and Arduino IoT devices.
I am a full time freelancer committed to clear communication and timely delivery — working with hobbyists, startups and commercial clients alike.
Feel free to reach out!
PCB Design
AVR Microcontroller
ESP32
Raspberry Pi
Microcontroller Programming
Arduino
Firmware
ESP8266
Eagle
Electronics
KiCad
Electronic Design
MQTT
Digital Electronics
Circuit Design
Hardware Troubleshooting
Embedded C
EasyEDA
Sourav G.
Belur, India
$70/hr
5.0
200 jobs
I design high-performance, production-ready PCBs for automotive, medical, and industrial applications.
✔ 15+ years experience | 4000+ PCB designs delivered
✔ High-speed design: PCIe, DDR4, eMMC, MIPI, DSI
✔ RF design up to 20 GHz (Rogers RO4350B)
✔ Power electronics: Buck, Boost, Flyback, SEPIC, CUK
✔ Multi-layer boards (up to 10 layers) with impedance control
✔ High-voltage designs up to 4kV
Tools:
Altium Designer | KiCad | EAGLE (Fusion)
Industries:
Automotive (AEC standards) | Medical (FDA-aware design) | Consumer electronics
What you get:
-Clean, manufacturable PCB layouts
-Signal integrity + impedance-controlled routing
-EMI/EMC-aware design approach
-Ready-for-production deliverables
Recent work includes:
-DDR4 + PCIe high-speed board with impedance control
-20 GHz RF PCB on Rogers material
-Industrial high-voltage control system (>4kV)
-Motor driver systems (BLDC, servo, brushed)
If your project requires reliable, high-speed or high-power PCB design, I can deliver proven solutions.
PCB Design
Product Design
Electronic Design
Circuit Design
Arduino
EasyEDA
Analog Circuit
Altium Designer
ESP32
STM32
Hardware Design
Electronic Circuit Design
Embedded System
STM32F4
KiCad
Eagle
Vikram K.
Manali, India
$15/hr
5.0
8 jobs
Career Objective:
Innovative thinker and well-established electronic engineer with expertise in all areas of
electronics design, Embedded design, development, programming, and full-life cycle product
Engineering. I am willing to work for an organization that would utilize my skills and offers me an
opportunity to learn and grow with it. Skill set includes multi-processor troubleshooting and
transitioning new products into production. Dependable self starter with the ability to work well
with others.
Multilayer PCB
PCB Design
Layout Design
Hardware Design
Hardware Prototyping
Electronic Circuit Design
Arduino
KiCad
Eagle
Altium Designer
OrCAD
Tarun S.
Sumerpur, India
$35/hr
5.0
3 jobs
Most freelancers just snap pre-built modules together and call it a day. I design systems from the bare copper up.
I’m a hardware engineer specializing in bridging the gap between custom PCB layout, mechanical kinematics, and real-time firmware. If you are stuck trying to get a prototype off a breadboard and into a functional, fab-ready product, that is exactly where I step in.
What I actually do:
-- Custom PCB Design (KiCad & EasyEDA): 4-layer routing, high-current power architecture (48V/40A+), controlled impedance, and strict DFM. I deliver files ready for JLCPCB/assembly.
-- 3D CAD & Mechanical (Fusion 360): Parametric modeling, rigid enclosures, and complex kinematic joints. I don't just make it look good; I design it to actually fit together in the real world.
-- Embedded Firmware: Real-time motor control, IMU tuning, and integrating complex sensors without the noise.
I don't just talk theory; I build functional hardware—from custom high-power distribution units to closed-loop robotic kinematics.
Let’s stop fighting with off-the-shelf parts that don't fit your project. Send me a message with your technical constraints, and let's engineer a real solution.
PCB Design
Electrical Engineering
Robotics
Printable 3D Models
Arduino
ESP32
Autodesk Fusion 360
Circuit Design
KiCad
3D Design
3D Printer
Raspberry Pi
3D Printing
Embedded System
Microcontroller Programming
C++
Saheb M.
Bengaluru, India
$25/hr
5.0
55 jobs
Every hardware decision made today affects manufacturing cost, certification, battery life, reliability, and time to market.
That's where I come in.
I work with startups, R&D teams, and product companies to make the critical engineering decisions before they become expensive problems. Rather than simply drawing schematics or routing PCBs, I help design products that are manufacturable, reliable, scalable, and ready for real-world deployment.
Whether you're building your first prototype or preparing for production, I can help you move faster with confidence.
What I Bring to Your Project
Systems Thinking Before Schematic Design
• Hardware architecture
• Technical feasibility studies
• Technology selection
• Risk identification before development begins
Production-Ready Electronics
• Analog, Digital & Mixed-Signal Design
• High-Speed PCB Design (2–12 Layers)
• Rigid, Flex & Rigid-Flex PCBs
• Signal Integrity & Power Integrity
• EMI/EMC-Oriented Layout Practices
• DFM & DFT Optimization
Low-Power & Battery-Powered Systems
• Battery Management
• Charging Solutions
• Fuel Gauging
• Power Path Design
• Ultra-Low Power Optimization
• DC/DC & PMIC Design
Embedded & Connected Products
• STM32
• Nordic nRF52
• ESP32
• Raspberry Pi
• Microchip MCUs
• Rokchip Processors
• NXP Processors
Medical & Sensor Electronics
• ECG
• EMG
• SpO₂
• Heart Rate
• Temperature
• Pressure Mapping
• IMU Integration
• Precision Analog Front Ends
• Low-Noise Signal Conditioning
My Engineering Philosophy
I don't believe great hardware is built by selecting expensive components.
Great hardware comes from making the right engineering trade-offs.
Every recommendation I make balances:
• Performance
• Reliability
• Cost
• Manufacturability
• Power Consumption
• Product Lifetime
• Supply Chain Availability
• Future Scalability
This approach helps reduce redesign cycles while making products easier to manufacture and maintain.
What You Can Expect
From our first conversation, I focus on understanding:
• What you're building
• Who will use it
• Where it will operate
• What constraints matter most
Then I provide practical engineering solutions—not unnecessary complexity.
You receive clear documentation throughout the project, making collaboration with firmware teams, mechanical engineers, manufacturers, and certification labs much smoother.
Deliverables
• Hardware Architecture
• System Block Diagrams
• Schematics
• PCB Layout
• Gerber Files
• Pick & Place Files
• Assembly Drawings
• Bill of Materials (BOM)
• 3D PCB Models
• Component Libraries
• Design Review Reports
• Manufacturing Documentation
• Prototype Bring-Up Support
• Test Plans & Validation Documents
Selected Projects
• Precision Drug Delivery Device (Medical)
• Bone Density Measurement System
• EMG Wearable Diagnostic Device
• Smart Health Monitoring Ring
• Veterinary Health Monitoring Wearable
• Maritime Emergency Alert System
• IoT Smart Energy Monitoring Platform
• Ultrasonic Fuel Monitoring System
• Industrial PoE Switch
• Precision Weighing Electronics
• Robotics Control Electronics
• Tablet, Laptop Motherboard
• Carrier PCBs for SOCs
Why Clients Hire Me
• I think like a product architect—not just a PCB designer.
• I identify design risks before they become manufacturing issues.
• I communicate clearly with founders, engineers, and manufacturers.
• I document every important engineering decision.
• I care about long-term product reliability—not just completing the next milestone.
• I stay involved until the hardware works as expected.
Let's Build Something That Ships
Whether you're validating a new idea, redesigning an existing product, or preparing for manufacturing, I'm ready to help.
Send me a message with your concept, requirements, or even a rough sketch. We'll discuss the best technical approach and build hardware that's engineered for reliability from day one.
Multilayer PCB
PCB Design
Layout Design
Printed Circuit Board
Circuit Design
Bill of Materials
Schematic
RF Design
Altium Designer
OrCAD
WiFi
Raspberry Pi
LoRa
Bluetooth
LAN Controller
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