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5,5
5,5
92%

Bangalore, India
$10 USD por hora

5,8
5,8
100%

Agra, India
$27 USD por hora

7,6
7,6
98%

Lahore, Pakistan
$16 USD por hora

7,6
7,6
96%

SIDOARJO, Indonesia
$35 USD por hora

8,2
8,2
98%

islamabad, Pakistan
$40 USD por hora

7,0
7,0
95%

Peshawar, Pakistan
$30 USD por hora

7,5
7,5
88%

Çankaya, Turkey
$30 USD por hora

7,4
7,4
89%

hyderabad, Pakistan
$30 USD por hora

6,8
6,8
100%

Islamabad, Pakistan
$30 USD por hora
¿Buscas contratar un Embedded Engineer? Estos son los proyectos mejor valorados de I2C que se realizaron recientemente en Freelancer, seleccionados a partir de opiniones verificadas de clientes con una puntuación de 4.5 estrellas o más, y que se actualizan mensualmente.
EL PROYECTO
A Preferred Freelancer with a 100% completion rate reviewed and refined IoT sensor PCBs, covering I2C interface validation, DFM checks, and production-ready file packages. The work spanned schematic review through Gerber output across a small family of environmental sensor boards.
RESEÑA DEL CLIENTE
Awesome person, awesome engineer, the best you can have on your side.
Electronics · Electrical Engineering · Manufacturing Design
EL PROYECTO
A production-grade STM32 motor controller board was redesigned in KiCad, covering a 4-layer PCB with 3-phase BLDC drive, heater control, and an I2C ToF sensor connector. The client noted exceptionally good delivery.
RESEÑA DEL CLIENTE
Very good service....Listen to all problems and deliver exceptionally good
Electronics · Electrical Engineering · PCB Layout
EL PROYECTO
Carrier board PCB was designed for a Teensy 4.1 in an [redacted] test-bench setup, integrating triple CAN-FD, RS485, optoisolated RPM input, and I2C voltage monitoring via an INA219. The client noted clean layout quality and hands-on factory coordination throughout production.
RESEÑA DEL CLIENTE
A wonderful, helpful person who, even when they have to work more, goes the extra mile to meet the client's needs. They helped me and got involved in discussions with the factory to finalize the project. Kicad Expert. My PCB looks very well.
Electronics · Microcontroller · Electrical Engineering
EL PROYECTO
Custom PCB was designed for a UAV safety subsystem around an ESP32-WROOM module, with the MPU6050 IMU wired over I2C and isolated from noisy servo and power sections. The 2-layer board integrated charging, protection, PWM servo output, and buzzer drive into a manufacturable KiCad layout under 80 mm.
RESEÑA DEL CLIENTE
He did great and communicated back on time.
Electronics · Electrical Engineering · PCB Layout
EL PROYECTO
Firmware for an RP2040-based platform was written to drive six I2C sensors, GPIO lines, WS2812 LEDs, and ROM storage. The freelancer holds a 5.0 rating and 100% completion rate across completed projects.
RESEÑA DEL CLIENTE
Professional, knowledgeable, humble, understanding, patient, problem solver, fast. Would love to work with him again! Thank you Sahil G.
C Programming · Electronics · Microcontroller
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.
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.
A freelance embedded developer typically produces a defined set of artifacts tied to your product roadmap. Common deliverables include:
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.
Embedded engineering work spans nearly every physical product category. Freelance embedded engineers regularly support:
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:
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.
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.
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.
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
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.
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.
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.
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.
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.
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.
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.

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