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Abdul M.

5.0

6.7

100%

Islamabad, Pakistan

$30 USD per hour

✋ Hi there! I’m Abdul Majeed, an experienced Embedded Systems Engineer and Professional PCB Designer with expertise across a wide range of cutting-edge technologies. Here’s what I bring to the table: ⚡ Microcontroller Programming: ✔ Nordic: nRF51, nRF52, nRF53 ✔ TI: CC13xx, CC25xx, CC26xx, CC32xx ✔ 8051: Atmel, Intel, Nuvoton ✔ STM: STM8, STM32, BlueNRG-1, BlueNRG-2 ✔ AVR: 8-Bit, 32-Bit ✔ Cypress: BLE PSoCs ✔ Dialog Semiconductor: DA1458x, DA1453x ✔ ESP: ESP12, ESP32, ESP8266, ESP32 S3, ESP32 C3 ⚡ Electronic Development Boards: ✔ Arduino Uno, Nano ✔ STM32 Nucleo and Discovery ✔ TI's Launchpad ⚡ Single Board Computers: ✔ Raspberry pi ✔ Banana Pi ✔ Beaglebone Black ⚡ Electronics Modules: ✔ RFID and Fingerprint Modules ✔ RF Transceivers: Silicon Labs chips, Zigbee, Wi-Fi, Nordic, etc. ✔ Camera Modules: Omnivision ✔ Storage: SD card and memory chips ✔ Display Modules: LCD, GLCD, TFT, LED, OLED, etc. ✔ IoT Modules ⚡ Computer Software: ✔ Development IDEs: Keil, Visual Studio Code, STM32 Cube IDE ✔ PCB Design: Altium, Eagle, KiCAD, Easy EDA ✔ App Development: Blynk IOT, Adafruit IO, Arduino cloud, Thingsboard ⚡ Simulations Software ✔ MATLAB Simulink ✔ Proteus ✔ Logisim ✔ Multisim ⚡ IoT & Wireless Communication ✔ Proficient in Wi-Fi, BLE, Zigbee, LoRa, HTTP / HTTPS, and MQTT protocol. ✔ Expertise in wearable IoT devices, smart home automation, and industrial IoT projects. ⚡ System Integration & Prototyping ✔ Firmware and hardware integration for sensors, motors, and actuators. ✔ Real-time protocols: FTP, TCP/IP, and RTSP ✔ Extensive experience with streaming, data acquisition, and remote control systems. ⚡ Microcontroller-Based Projects: ✔ Automatic Street Light System: STM32-based power-efficient lighting system controlled by ambient light sensors. ✔ Gesture-Controlled Robot: ATMEGA32-powered robot using accelerometer and gyroscope modules. ✔ Smart Trash Bin: A touchless waste management system using proximity sensors and servo motors. ⚡ Industrial Projects: ✔ Industrial IoT Gateway: A robust NodeMCU-based gateway for connecting industrial devices to cloud platforms. ✔ Battery Management System (BMS): STM32-based controller for monitoring lithium-ion battery packs. ✔ Motor Driver PCB Design: Compact and efficient PCB for controlling DC motors with ESP32. ⚡ PCB Designing Projects: ✔ Power Supply PCB: Design of a regulated dual-output power supply with overcurrent protection. ✔ Custom Sensor Node PCB: Low-power PCB with temperature, humidity, and pressure sensors for wireless data transmission. ✔ RF Module PCB: Compact PCB for RF communication with optimized antenna layout. ⚡ Why Choose Me? ✔ On-time delivery and top-notch quality at reasonable rates. ✔ Free support and maintenance after project completion. ✔ Client satisfaction is my top priority! Let’s bring your ideas to life with innovation and precision! Any questions? Interested in working with me? Send me a message or hit the ‘Hire Me Now’ button and let’s get started!

MEMs C Programming Wireless Electronics Microcontroller

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Julian A.

5.0

7.4

97%

Mar del Plata, Argentina

$65 USD per hour

As a proactive electronic engineer with ten years of experience in the industry, I offer complete solutions to bring your ideas to life. Working alongside a team of engineers and industrial designers, we can guide you through the design process from the initial concept to the final product. Our extensive experience in working with PCB manufacturers, component suppliers, and PCBA services ensures a smooth process and high-quality results. Our communication style is professional, yet casual, ensuring a positive working experience for all parties involved. With a focus on precision engineering and attention to detail, we are committed to delivering solutions that meet your requirements. While my Ph.D. and position as a professor at the Mar del Plata National University are important components of my expertise, our focus is on providing complete solutions for your electronic design needs. Let us help you engineer success. Analog/Digital electronics design PCB layout (IPC related) Firmware development for ESP32, STM32, PIC, Atmel, Silabs. nRF RTOS, FreeRTOS, Zephyr Low, Medium and high-level programming: Python, C, C++, ASM, Matlab, Arduino Signal conditioning and processing, analog and digital filtering Fuzzy logic & machine learning 3D modeling and printing Product design

MEMs C Programming Python Engineering Electronics

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Muhammad Mutahir Jamal Q.

5.0

2.2

100%

Lahore, Pakistan

$30 USD per hour

Hi, I am Jamal and I have been doing Embedded Systems (Hardware and Software) development for the last 7 years, I have completed 350+ projects related to almost all electronics categories i.e. IOT, Power electronics, Highspeed, RF, HDI, etc. covering both Hardware and Software. My main areas of focus are Motherboards, SOMs for Microprocessors and FPGAs, Carrier Boards, and HDI boards mainly High-speed products. I have designed and developed several projects for IMX6, IMX8, RK5528, Xilinx Zynq-based SOMs, PCDU and DAU units for LEO earth Sattelites, Carrier boards for CM3, CM4, CN9130, Nvidea Jetson Nano boards, Ethernet and POE products (POE++, POE PD, POE PSE etc). I have worked on following high-speed interfaces - DDR3 and DDR4 - PCIe - Ethernet - HDMI - LVDS - MIL1553 - Ethernet - USB Apart from that, other interfaces include CAN, SPI, I2C, etc I have complete professional expertise in Altium (Licensed), Eagle (Licensed), KiCAD, OrCAD/Allegro, Solidworks, Fusion360(licensed), Thanks Jamal

MEMs Wireless Engineering Electronics Verilog / VHDL

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Muhammad Ali S.

5.0

1.4

100%

Daejeon, Korea, Republic of

$20 USD per hour

I am experienced engineer with a PhD. degree and postdoctoral experience, specializing in MEMS sensors and actuators technology. I have 2 years of industrial experience, worked on MEMS inertial sensors designing, simulations, layout for fab-out, and testing in a South Korean Company and my PhD. focused on piezoelectric inkjet printheads. As a seller, i offer COMSOL simulations for structural analysis of MEMS device, FSI, Electrostatics, piezoelectric sensing and actuations, frequency & time domain simulations, and making layout for fabrication of MEMS devices and inkjet printheads. In a more detail: 1) Fluid structure interaction simulations in COMSOL to extract time domain pressure and velocity profiles from the pressure chambers, displacement of the membrane, 2) lumped element modeling for a piezoelectric inkjet printhead to extract the velocity and pressure profiles, 3) Acoustic simulations, standing waves, acoustic structure interaction 4) Time and frequency domain simulations for any MEMS device, 5) Displacement sensitivity of complex MEMS gyroscopes and accelerometers, 6) Making full layout mask for fabrication

MEMs Photography Solidworks Mechanical Engineering Mechatronics

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How to hire a great freelance Embedded Engineer

An embedded engineer designs, programs, and tests the hardware-software systems that run inside devices like microcontrollers, IoT sensors, automotive ECUs, medical instruments, and consumer electronics. Hiring a skilled embedded engineer gives your product the low-level firmware, real-time control, and hardware integration it needs to function reliably in the field. On Freelancer.com you can connect with embedded systems engineers across every major architecture, toolchain, and industry vertical.

What does an embedded engineer do?

An embedded systems engineer bridges electronics and software. They write firmware that runs directly on microcontrollers and processors, design board-level peripherals, configure communication protocols, and validate that the resulting system behaves correctly under real-world timing, power, and environmental constraints.

Unlike general software developers, embedded engineers work close to the metal. They manage memory by hand, write interrupt service routines, configure clocks and peripherals through registers, and debug with oscilloscopes and logic analyzers. The commercial value is direct: well-engineered firmware reduces field failures, lowers power consumption, shortens certification cycles, and extends product lifespan.

Core deliverables from a freelance embedded engineer

A freelance embedded developer typically produces a defined set of artifacts tied to your product roadmap. Common deliverables include:

Bare-metal or RTOS-based firmware written in C or C++

Bootloaders, over-the-air (OTA) update routines, and secure boot implementations

Device drivers for sensors, displays, motors, and communication modules

Communication stack integration for UART, SPI, I2C, CAN, Modbus, BLE, Wi-Fi, LoRa, and Zigbee

Board bring-up, schematic review, and hardware-software integration

Real-time control loops, PID tuning, and motor control firmware

Power optimization for battery-operated devices

Unit tests, hardware-in-the-loop tests, and documented validation reports

EMC, FCC, and CE pre-compliance support for certification

Tools, platforms, and architectures embedded engineers use

Strong candidates are fluent in the toolchains and silicon families relevant to your product. Look for hands-on experience with platforms that match your hardware roadmap.

Microcontroller families: STM32, ESP32, Nordic nRF52/nRF53, NXP Kinetis and i.MX, Microchip PIC and AVR, Texas Instruments MSP430 and Tiva, Renesas RA and RX

Processor cores: ARM Cortex-M, Cortex-A, RISC-V, and 8051 derivatives

Real-time operating systems: FreeRTOS, Zephyr, ThreadX, VxWorks, and Embedded Linux with Yocto or Buildroot

IDEs and toolchains: STM32CubeIDE, MPLAB X, Keil MDK, IAR Embedded Workbench, PlatformIO, GCC, GDB, and ARM Compiler

Debug and test gear: J-Link, ST-Link, Saleae logic analyzers, oscilloscopes, JTAG and SWD interfaces

Languages: C, C++, Rust, assembly, and Python for tooling and automation

Version control and CI: Git, GitHub Actions, GitLab CI, and Jenkins for firmware pipelines

Industries and use cases

Embedded engineering work spans nearly every physical product category. Freelance embedded engineers regularly support:

Internet of Things (IoT) devices, smart home products, and connected sensors

Automotive electronics, including ECUs, telematics, and ADAS modules

Medical devices governed by IEC 62304 and FDA requirements

Industrial automation, PLCs, and factory monitoring systems

Consumer electronics, wearables, and audio products

Robotics, drones, and motor control systems

Energy metering, solar inverters, and battery management systems

Aerospace and defense subsystems with DO-178C considerations

How to evaluate embedded engineering candidates

Embedded work rewards proven experience over generalist credentials. When reviewing freelancers, weigh qualifications, portfolio depth, and tool-specific fluency together.

Strong signals include a degree in electrical engineering, computer engineering, or a related field; shipped products in your target architecture; comfort reading schematics and datasheets; experience with the specific RTOS or bare-metal model your project requires; and familiarity with the regulatory regime your industry demands. Ask to see source code samples, debug session walkthroughs, or board bring-up logs.

Sample interview questions you can copy and use:

Walk me through how you would debug a system that resets intermittently every few hours in the field.

How do you decide between bare-metal firmware and an RTOS like FreeRTOS or Zephyr for a new product?

What steps do you take to minimize power consumption on a battery-powered ARM Cortex-M device?

Describe a time you had to fix a tricky interrupt or DMA issue. How did you isolate the root cause?

How do you structure firmware so that hardware drivers can be unit tested without the physical board?

Adjacent skills that often pair with embedded engineering

Many embedded projects touch nearby disciplines. Depending on scope, you may also need PCB design, FPGA development, hardware schematic capture in Altium Designer or KiCad, mechanical CAD integration, mobile app development for companion apps, cloud backend work for IoT telemetry on AWS IoT or Azure IoT Hub, and DSP or computer vision specialists. Many freelance embedded engineers cover two or three of these adjacencies.

Why hire embedded engineers on Freelancer.com

Freelancer.com gives you access to a global pool of embedded systems engineers spanning every major MCU family, RTOS, and industry vertical. Whether you need a short consultation on a stubborn bug, a full firmware build from scratch, or ongoing maintenance on a shipped product, you can find vetted talent quickly. Clients post a project on Freelancer.com, set their own budget, and receive competitive bids from freelancers with verified portfolios, ratings, and client reviews. Milestone Payments hold funds until agreed deliverables are accepted, giving both sides confidence throughout the engagement.

Post a project on Freelancer.com today and connect with skilled embedded engineers ready to deliver firmware, drivers, and complete embedded systems for your hardware.

What are the steps to hiring a freelance embedded engineer?

Hiring an embedded engineer is more technical than most freelance categories because the work depends on specific silicon, toolchains, and regulatory contexts. Following a structured process helps you attract bids from engineers whose experience genuinely matches your hardware and product goals. Here is how to run the hire on Freelancer.com.

Step 1: Post your project on Freelancer.com

Your project brief is the single biggest factor shaping bid quality. The more precisely you describe the hardware, firmware scope, and constraints, the more accurately freelance embedded engineers can scope the work and the faster you can filter mismatched candidates. Head to the post project page , fill in the brief, scope, timeline, and budget, then publish the project for freelancers to bid on.

Specify the target microcontroller or processor family (for example, STM32F4, ESP32-S3, nRF52840) and the development board if applicable

State whether the firmware is bare-metal or runs on an RTOS such as FreeRTOS, Zephyr, or Embedded Linux

List required peripherals and protocols: UART, SPI, I2C, CAN, BLE, Wi-Fi, USB, or others

Describe deliverables clearly: source code, documentation, unit tests, schematic review, or board bring-up

Note compliance or certification requirements such as IEC 62304, ISO 26262, FCC, or CE

Indicate whether hardware will be shipped, simulated, or remotely accessed, and provide a realistic timeline and budget range

Step 2: Review bids from freelancers

Bids on embedded projects are short proposals, not just price quotes. A strong bid signals that the engineer has read your brief, understood the hardware context, and thought about the realistic path to delivery. Read each proposal carefully and use Freelancer.com chat to clarify technical questions before shortlisting.

Look for explicit references to your MCU family, RTOS, or communication stack rather than generic embedded experience

Check that the proposed approach addresses your peripherals, power budget, or certification context

Value freelancers who ask sharp clarifying questions about clock sources, memory constraints, or boot requirements

Assess whether the proposed timeline accounts for board bring-up, debugging, and integration testing, not just code writing

Ask shortlisted candidates to share a sanitized code sample or describe a past project on a similar architecture

Use chat to confirm toolchain, debugger, and version control preferences match your workflow

Step 3: Evaluate freelancers and award the project

The final decision should combine proposal quality with profile evidence. For embedded work, a consistent track record across multiple shipped firmware projects is more reassuring than a single impressive example, because reliability under real-world conditions is exactly what you are paying for.

Review portfolio depth for projects on similar MCU families, RTOS choices, or industry verticals

Read written client reviews for comments on code quality, documentation, and debugging discipline

Check star ratings, the volume of completed projects, completion rate, and on-time delivery rate

Confirm verified payment method and any certifications relevant to your domain

Discuss code ownership, IP assignment, and documentation expectations before awarding

Award the project and structure Milestone Payments around concrete deliverables such as board bring-up, peripheral drivers, integration, and final acceptance testing to protect both sides during the engagement

How long does an embedded engineering project take?

Timelines vary widely with scope. A focused firmware bug fix or driver port may take days, a complete product firmware build often runs several months, and regulated medical or automotive projects can stretch longer once compliance testing is included. Share your hardware specs and target milestones in the brief to get realistic estimates.

What is the difference between an embedded engineer and a firmware engineer?

The terms overlap heavily. Firmware engineers focus on the software running on a microcontroller, while embedded engineers often cover both firmware and the hardware interaction, board bring-up, and sometimes schematic review. For most freelance projects either title delivers the same work, but if your scope includes hardware decisions, look for explicit board bring-up experience.

Can I hire an embedded engineer for a one-off project?

Yes. Many clients on Freelancer.com hire embedded engineers for discrete tasks such as porting firmware to a new MCU, writing a single driver, optimizing power consumption, or troubleshooting a failed bring-up. You can also retain the same freelancer for follow-on revisions once the initial project is complete.

Do I need to provide hardware to the freelancer?

For most board-level work, yes. Shipping a development board or prototype lets the engineer test directly on real silicon and capture timing-accurate behavior. For early-stage work, simulators like Renode or QEMU and evaluation kits matching your target MCU can substitute until custom hardware is available.

Do I need an embedded engineer or an electronics design freelancer?

If your problem is mostly software running on existing hardware, hire an embedded engineer. If you need a new PCB designed, schematic capture, or component selection, hire an electronics or PCB designer, often alongside an embedded engineer who will write the firmware once the board is built.