Hire the best Circuit Designers in Serbia

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$25 hourly
Goran D.
- 5.0/5
- (11 jobs)
✅ Freelancer on UpWork, specializing in Automation, Electronics and Mechanical design. ✅ Responsiveness: Being extremely responsive and keeping all lines of communication readily open with my Clients. ✅ The Client Reviews and Feedback on my Profile are immensely important to me and the value that I provide. I'm flexible with my working hours and am happy to work closely with any existing freelancers you work with. Deadlines are sacred for me and I will review your content as many times as it takes for it to exceed your expectations! ❗Strong foundation in: -Automation -MCU programing(Arduino, ESP32, STM32) -C/C++ programing -3D mechanical modeling (Fusion 360) -2D drafting and drawing (AutoCAD) -sensors integration ❗Superior skills with: -Circuit design (power, analog, digital) -SIMULINK, MATLAB -3D printing ❗Strong skills with: -PCB design -C# -LabView -G-code creation 🛠️Available hardware for clients projects🛠️: 3D printer Ender3 S1 Pro - ability to print wide variety of plastics. Multiple types of MCUs for prototyping - Arduino Nano, Arduino Uno, AtTiny85, AtTiny24, ESP32 DevKit1, ESP8266, STM32F746ZG * Available almost 24/7 for customer needs Please contact me, so we can discuss how we can work together to FULLY meet your Business Needs!

Circuit Design
3D Printing
C++
Embedded System
Mechanical Engineering
PCB Design
Arduino
Electrical Engineering
MATLAB
Sensor
Automation
Microcontroller Programming
C
CAD Drafting
3D Modeling
$45 hourly
Mirko G.
- 5.0/5
- (14 jobs)
Hello! I am Hardware Engineer from Novi Sad, Serbia. With more than 100 Mixed-Signal PCB Designs in portfolio I have experience with Power Supply, Microcontrollers, Sensors, Wirelesses communications, Security, HMI, Audio equipment... • 10+ Years Hardware development experience • 6+ Years Altium Designer experience • 3+ Years Design For Manufacturing experience I have full time job as Expert System Engineer and Upwork is nice opportunity for me to boost my experience even more.

Circuit Design
Consumer Electronics
Systems Engineering
Power Electronics
Industrial Engineering
Digital Electronics
Internet of Things
Electrical Engineering
Embedded System
Analog Electronics
Electronic Design
Hardware Prototyping
Design Simulation
PCB Design
Altium Designer
$50 hourly
Dusan M.
- 5.0/5
- (6 jobs)
I am Senior Engineer with 18 years' experience in product Research and Development, management of R&D, Embedded system design, specialized PCB design, technical consulting, production organization & product certification assistance. Providing the following services to the clients world-wide: ✔ Product R&D and design problem solving, ✔ Embedded system design (schematic, PCB design, firmware development), ✔ Specialized PCB design and optimization: ➕ Hi-speed industrial computers ➤ USB, ETH, HDMI, MII/RMII, miniPCIe, SDIO etc. ➕ Power electronics ➕ EMC optimization and problem solving ✔ Product cost evaluation and BOM optimization, ✔ Proof of concept & experimental devices, ✔ Technical consulting in system design and RF related solutions, ✔ Production organization & product certification assistance.

Circuit Design
Procurement
Power Electronics
Printed Circuit Board
PCB Design
Hardware Design
Research & Development
Electronic Design
Digital Electronics
Multilayer PCB
Altium Designer
Product Development
C
Embedded C
Embedded System
$17 hourly
Ivan V.
- 5.0/5
- (9 jobs)
I have 20+ years of experience in various branches of Electrical Engineering: Power Electronics (thyristor controlled battery chargers and inverters), Microcontroller and PLC programming (Intel 8051 , Siemens SAB 80515 and SIMATIC S5 PLCs), Railways electronics maintenance and development, Marine, PV solar systems evaluation and design, Automation, Earth fault Monitoring relays for LV AC networks and el. motors. I am focused now on the Electronic Circuit Design, PCB Design (Dip Trace), SCR controlled battery chargers, Prototype Manufacturing, Arduino and ESP32 based Hardware Development and Programming..

Circuit Design
PV Sizing
Solar Energy
Firmware
PCB Design
Power Electronics
Arduino
ESP32
Hardware Prototyping
Electronic Design
Electrical Engineering
$55 hourly
Ilya Z.
- 0.0/5
- (3 jobs)
Experienced and highly skilled electronics engineer and embedded software developer with a deep passion for audio and musical equipment. I specialize in: Analog and digital circuitry, PCB design, DSP programming, Embedded C/C++ (STM32, ESP-32), Embedded Linux, and 3D CAD. Let's connect and make your project a reality! Analog and digital audio effects, Guitar pedals, Synthesizers, Samplers, Midi controllers, Studio equipment, USB audio interfaces, Amplifiers, Tube Amplifiers If you need someone to design any of this, you're on the right track :)

Circuit Design
Qt Creator
Analog Audio
C
CAD Software
3D Modeling
C++
PCB Design
STM32
KiCad
Multilayer PCB
$40 hourly
Slobodan A.
- 0.0/5
- (1 job)
Hi, I’m Slobodan Arandjelovic from Serbia - a passionate Electrical & Electronic Design Engineer with 10+ years of hands-on experience in embedded systems, PCB design, Smart home automation and industrial automation. I specialize in turning complex ideas into real, high-performance products, from circuit schematics to firmware development and real-world hardware validation. Whether you need a cutting-edge control system, an IoT solution, or a custom PCB, I bring precision, innovation, and efficiency to every project. My Core Expertise: ✅ Embedded Systems & Microcontrollers – Arduino, ESP32, Raspberry Pi, STM32 ✅ PCB & Circuit Design – Schematic capture, PCB layout, prototyping, DFM (Design for Manufacturing) ✅ IoT & Wireless Communication – WiFi, Bluetooth, LoRa, 3G/4G/5G, Ethernet ✅ Power Electronics & Renewable Energy – Solar, battery management, industrial automation ✅ Firmware Development – C, C++, Python, Assembly, MATLAB, Simulink ✅ Circuit Simulation & Testing – Multisim, TestStand, real-world hardware validation ✅ Bill of Materials (BOM) & Sourcing – Optimized component selection for cost-effective manufacturing 🏭 Industries & Projects I’ve Worked On: 🔹 Industrial Automation – Designed control systems for 40-ton industrial fryers, pick-and-place machines 🔹 Renewable Energy – Solar-powered fish farms, smart battery management systems 🔹 Consumer Electronics – Universal phone chargers, guitar effect pedals, home automation 🔹 Medical & Sanitization – Industrial electrostatic disinfectant sprayers 🔹 Automotive & EV – Electric vehicle charging infrastructure ⚡ What Sets Me Apart? ✔ 10+ Years of Proven Experience – From industrial manufacturing to consumer product development ✔ End-to-End Product Development – From initial concept to production-ready hardware ✔ Scalable, Efficient, & Optimized Code – High-quality firmware for embedded systems ✔ Clear Communication & Transparency – Fast response times, detailed documentation, and regular updates ✔ Precision Engineering & Innovation – Every project is crafted for performance, reliability, and efficiency 📢 Let’s Build the Future Together! I thrive on collaborating with startups, engineers, and businesses to create cutting-edge products. Whether you need a custom PCB, firmware development, or full-scale embedded system integration, I’m here to bring your vision to life.

Circuit Design
Python
C++
Firmware
Power Electronics
LoRa
Design for Manufacturing
Prototyping
PCB Design
STM32
Raspberry Pi
ESP32
Arduino
Microcontroller
Embedded System
$30 hourly
Srdjan M.
- 0.0/5
- (0 jobs)
As a dedicated Hardware Engineer, I help clients transform concepts into reliable, high-performance hardware solutions. I specialize in schematic capture, PCB layout, and power electronics, with a deep understanding of communication protocols like Ethernet (1000BASE-T), LoRa, UWB, CANbus, and USB. My expertise lies in designing robust hardware systems for applications in smart devices, automotive systems, and IoT solutions. Using tools such as Altium Designer, KiCad, and Saturn PCB Toolkit, I deliver precise and efficient hardware designs tailored to your specific needs. Let me bring your ideas to life with innovative, dependable hardware solutions.

Circuit Design
Schematic Capture
Altium Designer
KiCad
Multilayer PCB
PCB Design
$25 hourly
Nikita S.
- 0.0/5
- (1 job)
I’m an Embedded Systems Engineer with hands-on experience designing and developing complete electronic products — from schematics and PCB layout to firmware and bring-up. I specialize in microcontrollers like ESP32, STM32, and RP2040, and work with wireless protocols including Wi-Fi, Bluetooth LE, and Thread. Whether you need a robust prototype, a ready-for-production board, or firmware that just works — I can help. Core Skills & Services: • PCB and circuit design (KiCad, Altium) • Firmware development in C/C++ (FreeRTOS, ESP-IDF, bare metal) • Microcontroller integration: ESP32, STM32, RP2040 • Wireless connectivity: Wi-Fi, BLE, Thread • Power supply design and board bring-up • Testing, debugging, and pre-production validation Why work with me: • 💡 From idea to tested hardware — I handle the entire path, not just the schematic • ⚡️ Real-world prototypes — all designs are made for production and real use • 📣 Communication that works — regular updates, full transparency, clear scope management Let’s build something great — message me with your project and I’ll let you know how I can help.

Circuit Design
Electronic Circuit Design
Schematic Capture
KiCad
STM32
FreeRTOS
WiFi
Bluetooth LE
PCB Design
C++
C
ESP32
Microcontroller Programming
Firmware Programming
Embedded System
$20 hourly
Aleksandra I.
- 0.0/5
- (0 jobs)
🎓 Diplomirana inženjerka elektronike sa specijalizacijom iz elektronskih komponenti i mikrosistema. Strastvena sam prema nanotehnologijama i njihovoj primeni u biomedicini, kao i razvoju naprednih elektronskih sistema. 🔬 Iskustvo u istraživačkim projektima vezanim za fotonaponske sisteme, MPPT algoritme i nanomaterijale (fulereni) za poboljšanje solarnih ćelija. 💡 Spremna sam da primenim svoje znanje u mikroelektronici, dizajnu PCB-a, optimizaciji naponskih pretvarača i razvoju IoT rešenja, uz kontinuiranu želju za učenjem i napredovanjem u timu. 🌍 Otvorena za freelance projekte, istraživačke studije i inženjerske izazove u oblasti elektronike, nanotehnologije i energetske efikasnosti. Veštine (Skills) ✅ PCB Dizajn & Simulacija (Altium Designer, KiCad, LTspice, Proteus) ✅ Mikroelektronika & Nanotehnologija (MEMS, senzori, poluprovodnici) ✅ Energetska elektronika (MPPT algoritmi, DC-DC konvertori, optimizacija solarnih ćelija) ✅ Programiranje i modelovanje (MATLAB, Simulink) ✅ Istraživanje & analiza podataka (Scientific Writing, Simulacije, Optimizacija sistema) Istraživački radovi i projekti 🔹 Optimizacija efikasnosti fotonaponskih sistema – Studija primene MPPT algoritama i DC-DC podizača napona za poboljšanje performansi solarnih ćelija. 🔹 Uloga fulerena u poboljšanju fotonaponskih ćelija – Analiza nanomaterijala za povećanje efikasnosti fotonaponske konverzije. 🔹 Projektni zadaci iz mikroelektronike – Dizajn i analiza poluprovodničkih komponenti u okviru master studija.

Circuit Design
Nanotechnology
Altium Designer
Analog Electronics
Analog Circuit
Digital Design
Power Electronics
Microcontroller
Microcontroller Design
Simulink
MATLAB
KiCad
PCB Design
Engineering & Architecture
Electrical Engineering
$15 hourly
Ilija R.
- 0.0/5
- (0 jobs)
I am a student of Software Engineering. Graduated from the Mathematical Grammar School for talented students.

Circuit Design
C
LaTeX
SQL
Python
C++
Database Management
Game Testing
Computer Science
Software Architecture
Procedural Programming
Linear Algebra
Algebra
Teaching Mathematics
Teaching Algebra
$30 hourly
Milan M.
- 2.7/5
- (3 jobs)
Hello My name is Milan Mikaric.I have master degree from electronic, and i am interested in various electronic domains, such as power electronic, low power electronic including all different kind low power chips. I can design PCB-s up to 12 layers, mostly i am using, Altium, Eagle, DipTrace for the PCB design. I can handle you'r ideas to the final working prototypes ready for mass produce. I hope i will have nice time here on freelancer working with good people all around world. Thanks for reading this Regards Milan Mikaric

Circuit Design
Microcontroller Programming
Microcontroller Design
Altium Designer
PCB Design
Eagle
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