Hire the Best Microcontroller Designers
in Croatia

More than 3,000 reviews on G2
Rating is 4.5 out of 5.
4.5/5
of Upwork by G2 peer reviewers
Filip M.

Zagreb, Croatia

$50/hr
5.0
3 jobs

I am an experienced Embedded Software Engineer with a strong background in C/C++ programming, currently working at Smart Sense Ltd in Zagreb. My passion lies in designing and developing innovative embedded systems that drive efficiency and innovation. With extensive knowledge and hands-on experience with various microcontrollers, including STM32 and ESP32, I excel at creating robust solutions tailored to specific project needs. I am adept at taking complex concepts and transforming them into practical, user-friendly applications, ensuring seamless integration in diverse environments. My expertise not only lies in software development but also in diagnosing and solving critical hardware-software interaction issues. Committed to continuous learning and delivering excellence, I thrive in collaborative settings and am keen to contribute my skills to your next project. Let’s connect and explore how I can help bring your ideas to life with cutting-edge embedded solutions.

  • Microcontroller Programming
  • Microcontroller
  • C++
  • Altium Designer
  • Software Debugging
  • Git
  • Firmware Programming
  • Embedded Application
  • STM32
  • ESP32
  • C
  • Arduino
  • Embedded C
  • Embedded System
  • Embedded Linux
Niko B.

Mlini, Croatia

$30/hr
4.6
7 jobs

👋🏽 Greetings and thank you for stopping by! I am a driven and experienced Hardware and Embedded Software Engineer specializing in the Railway (EN 50155), Military, Automotive, and Industrial sectors. I offer end-to-end services within hardware/electronic design, circuit/schematics design, and integration of software/firmware from inception to final product, coupled with thorough testing. ✔️ 100% Job Success Score ✔️ Fluent English speaker ✔️ Swift and responsive ⚡ 🔍 Committed to crafting distributed, scalable, reliable, and low-latency devices and applications. 🔍 Equipped with exceptional communication and writing skills. 🔍 Proficient in collaborating with distributed teams of developers, designers, and multi-functional teams. 🔍 Offering flexible billing terms tailored to your project's needs! I am here to support you remotely in realizing your project aspirations. With a complete understanding of the product development lifecycle and a broad skill set, I am ready to tackle any challenge and bring your project to fruition. CORE SERVICES: • Circuit Designing and Analysis (Analog & Digital) • Schematics and PCB Development • Embedded Firmware & Software Development • Reverse Engineering & Protocol Decoding • Proof of Concept (PoC) Development & Prototyping • Manual and Automatic Testing KEY EXPERTISE: • PCB Layout: Controlled Impedance, High-Speed Signal Routing, Rigid-Flex Board Design, and RF Circuits. • Mixed Signal Circuits & Analog Circuit Design. • Schematics and Footprint Library Creation. • Firmware/Device Programming & Code Review. • Power Electronics: High-voltage DCDC converters, MPPT solar harvesting, and high-current motor actuation stages. • Compliance & Validation: Design for EMC/EMI, and EN 50155 / automotive standard compliance. PROJECT PORTFOLIO: Industrial, Military & Railway Equipment • Railway HVAC BLDC Controller: Developed an EN 50155-compliant motor controller with active power management. • High Voltage Power Distribution Box: Designed for an Anti-Terrorism Machine. • DC/DC Converter with Auxiliary Control: Designed for heavy mining machinery. • Undervoltage Protection PCB: Developed for remote-controlled industrial devices. • 5-Channel Proportional Valve Driver: Designed a closed-loop inductive load controller utilizing 14-bit current feedback. IoT, RF & Edge AI • Thermal AI Edge Node: Architected an industrial thermal camera unit (Raspberry Pi 5, FLIR Lepton) with dual telemetry (4G LTE/LoRa) and STM32 UPS battery management. • Dual-Brain Solar IoT Gateway: Designed an off-grid gateway with Altium hardware variants (STM32 LoRaWAN vs. Nordic BLE). • AI/UWB Smart Flashlight: Engineered a hybrid ESP32/Linux carrier board with UWB localization and 6-axis IMU sensing. • Ultra-Low-Power LoRaWAN Transceiver: Optimized STM32 and RAK3172 hardware/firmware to achieve a 2µA idle current. Automotive & Consumer Sector • Car OBD Diagnostics Tool: Designed hardware and diagnostic software; reverse-engineered raw CAN messages with GPS data integration. • Apple Watch Diagnostics Tool: Developed specialized testing and diagnostic hardware. TECHNICAL STACK & TOOLS: • Microcontrollers & Architectures: STM32, Cortex, ARM, ATMEL, Arduino, PIC18F (MPLAB), 8051, NXP, Nordic (nRF52), ESP32. • Firmware/Software: Embedded C, C++, Python, STM32CubeIDE, ESP-IDF, Arduino IDE, FreeRTOS, Zephyr. • PCB Layout & Simulation: Altium Designer, KiCAD, Proteus, Multisim. • Communication Protocols: USART, SPI, I2C, LIN, CAN, Ethernet. MODULES & PERIPHERAL INTEGRATION: • RTC (ds3231) • Ethernet (Wiz5500io) • WIFI & Wireless (ESP8266, LoRa) • Temperature & Environmental (LM35, ds18b20) • FTDI (Drivers) & IR-Sensors MECHANICAL DESIGN: • CAD Design & 3D Modeling • 3D Printing & Prototyping • Thermal Stress Analysis & Real-Time Simulations Feel free to reach out if you're interested in exploring how my expertise can contribute to your project's success! Let's build something exceptional together. TAGS: Electronics, Hardware, Firmware, PCB, PCB Layout, Board Layout, Schematics, Altium Designer, KiCAD, Proteus, IoT, Internet of Things, Power Electronics, DCDC, Motor Control, EN 50155, Bluetooth, BLE, Nordic, ESP32, TI, Texas Instruments, FPGA, SoC, Electrical Engineering, Verilog, Xilinx, C, C++, MCU, RTOS, Microcontroller, STM32, Prototype, Validation, Enclosures, BMS, SolidWorks, Android, Mobile Apps, AWS, Automotive CAN, LoRaWAN.

  • Embedded System
  • PCB Design
  • Embedded C
  • Hardware Design
Patrik K.

Bektez, Croatia

$20/hr
5.0
2 jobs

Mechanical designer with strong problem-solving skills, focused on functional CAD modeling and mechanism development, primarily using FreeCAD. I design precise, build-ready parts and assemblies for prototyping and real-world applications, with strong attention to fit, tolerances, and usability. I also use Blender to create clear animations that demonstrate motion and functionality of mechanical systems. My work combines practical engineering with visual presentation, helping bring concepts to life. I also have basic experience in KiCad and C++, supporting electromechanical understanding.

  • Freecad
  • Blender
  • Mechanical Design
  • KiCad
  • Arduino
  • 3D Printing
  • 3D Rendering
  • Industrial Design
  • Product Design
  • Prototyping
  • 3D Modeling
Ivan B.

Tomasanci, Croatia

$35/hr
5.0
2 jobs

I am a Professional Hardware Design Engineer designing complex multilayer PCBs. I am proficient in Altium designer and KiCAD with over 3 years of experience. I have a Master's degree in Computer Engineering. I have done projects from schematic designs to PCB designs and production files. I am ready to jump in and help with any part of electronics development process. I can also do STM32 code for test purposes. - PCB design for manufacturing - power filtering - complex boards with 8+ layers - analog and digital signal - Desing with MCU, FPGA - Creating footprints like BGAs - USB C Power Delivery

  • Altium Designer
  • Electronics
  • Electronic Workbench
  • Embedded System
  • PCB Design
  • Multilayer PCB
  • Analog Circuit
  • KiCad
  • Prototype Design
  • Design for Manufacturing

How it works

Post a job for freePost a job

Tell us what you need. Create your own job post or generate one with AI then filter talent matches.

Hire top talent fast

Consult, interview, and hire quickly, so you can meet the freelancers you're excited about.

Collaborate easily

Use Upwork to chat or video call, share files, and track project progress right from the app.

Payment simplified

Manage payments in one place with flexible billing options. Only pay for approved work, hourly or by milestone.

Don't just take our word for it

How do I hire a Microcontroller Designer in Croatia on Upwork?

You can hire a Microcontroller Designer in Croatia on Upwork in four simple steps:

  • Create a job post tailored to your Microcontroller Designer project scope. We'll walk you through the process step by step.
  • Browse top Microcontroller Designer talent on Upwork and invite them to your project.
  • Once the proposals start flowing in, create a shortlist of top Microcontroller Designer profiles and interview.
  • Hire the right Microcontroller Designer for your project from Upwork, the world's largest work marketplace.

At Upwork, we believe talent staffing should be easy.

How much does it cost to hire a Microcontroller Designer?

Rates charged by Microcontroller Designers on Upwork can vary with a number of factors including experience, location, and market conditions. See hourly rates for in-demand skills on Upwork.

Why hire a Microcontroller Designer in Croatia on Upwork?

As the world's work marketplace, we connect highly-skilled freelance Microcontroller Designers and businesses and help them build trusted, long-term relationships so they can achieve more together. Let us help you build the dream Microcontroller Designer team you need to succeed.

Can I hire a Microcontroller Designer in Croatia within 24 hours on Upwork?

Depending on availability and the quality of your job post, it's entirely possible to sign up for Upwork and receive Microcontroller Designer proposals within 24 hours of posting a job description.