Circuit Designers For Hire
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Thank you for visiting my profile. My name is Marko Aleksic, a dedicated electronic hardware and firmware engineer specializing in creating innovative and high-quality solutions for electronic product development. I am passionate about transforming ideas into reality through meticulous design and development -Core...Thank you for visiting my profile. My name is Marko Aleksic, a dedicated electronic hardware and firmware engineer specializing in creating innovative and high-quality solutions for electronic product development. I am passionate about transforming ideas into reality through meticulous design and development -Core Competencies: -PCB Design & Development: Expert in designing reliable, high-performance printed circuit boards (PCBs). Specialization in power supply circuits (DC-DC, AC-DC conversions) and multilayer designs for embedded systems. Proven track record in developing efficient LED driver circuits and RF PCB layouts. -Firmware Development: Extensive experience programming microcontrollers including STM32, DSPIC, ESP32 and ESP8266. Mastery of communication protocols such as UART, SPI, Ethernet, USB, CAN, and MODBUS for seamless integration. Proficient in implementing wireless technologies including Wi-Fi, Bluetooth, and ZigBee. -RF Design & Analysis: Strong capabilities in RF circuit design, antenna optimization, and simulation for applications like WiFi, Bluetooth, and RFID. Expertise in developing RF filters, splitters, transceivers, and power amplifiers tailored to specific application needs. I am committed to delivering cost-effective, high-quality solutions without compromising performance or deadlines. I welcome the opportunity to connect and discuss how I can contribute to your projects. less
Hire markoa7
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⚡ Professional Embedded Systems & Product Design Expert | 15+ Years Freelance Experience ⚡ For the past 15 years, I’ve been a full-time freelance product designer, delivering high-quality hardware and firmware solutions for both industrial and consumer markets. From concept to prototype to production, I help bring...⚡ Professional Embedded Systems & Product Design Expert | 15+ Years Freelance Experience ⚡ For the past 15 years, I’ve been a full-time freelance product designer, delivering high-quality hardware and firmware solutions for both industrial and consumer markets. From concept to prototype to production, I help bring ideas to life, efficiently, reliably, and with long-term support in mind. Whether you need hardware design, sensor data acquisition, power systems, firmware development, or complete system integration, I offer end-to-end solutions tailored to your goals. ✅ What I Offer ⚡ Hardware Design & Prototyping • 15+ years with Altium, KiCad, and Eagle • Expertise in embedded, mixed-signal, and analog systems • Battery and Solar Powered Systems • Sensor integration & industrial IoT hardware • Skilled in SPICE simulation (LTspice, TINA-TI) • Fully equipped in-house lab for testing and validation ⚡ Firmware & Embedded Development • 20+ years of C programming with GCC, SDCC, CCS • STM32, ESP32, Microchip 8/16/32-bit, TI MSP430/MSP432, C2000 • Power-efficient firmware, custom bootloaders, and protocols • FreeRTOS and Bare-Metal programming ⚡ Connectivity & Communication • RS485, CAN, LIN, USB, Ethernet • Wi-Fi, GSM, LTE, LoRa, BLE, Sub-GHz RFs • Any type of sensor/device integration ⚡ Software Integration • Desktop app development using MSVC, GCC • Bridging hardware with desktop tools or automation systems ⚡ Production & Supply Chain Support • BOM cost optimization & component sourcing • Established connections with Chinese manufacturers and supply chain management • Low to mid-volume production support ✅ Why Work With Me • End-to-End Expertise: With 20+ years of experience in electronics and programming, I bring equal proficiency in both hardware design and firmware development, ensuring seamless integration between the two. • Project Ownership: From schematic capture and PCB layout to embedded firmware and system validation, I take full responsibility across the entire development cycle. • Quality Assurance: My work is backed by lab-grade test equipment, simulation tools, and a rigorous validation process to guarantee accuracy and reliability. • Post-Delivery Support: I provide long-term assistance beyond delivery, helping you through product updates, field issues, and lifecycle management. • Intellectual Property Respect: I treat your IP with the utmost confidentiality. Your designs, code, and data are fully protected and never reused or shared. • Reliable Collaboration: Having worked with clients globally, I understand how to communicate clearly, meet deadlines, and deliver results that align with your vision. ✅ Let’s Connect No pressure, no obligation. If you have a concept or challenge you'd like to discuss, feel free to message me. I’m happy to explore how I can help turn your ideas into working, manufacturable solutions. less
Hire cpp2048
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About Me Welcome to my Freelancer profile! I am a professional Electronics Engineer specializing in PCB design, circuit design, power electronics (SMPS), IoT, firmware development, and embedded systems. Expertise PCB Design & PCB Cloning ✅ Custom PCB Design – Single-layer, multi-layer, high-speed PCB layouts. ✅...About Me Welcome to my Freelancer profile! I am a professional Electronics Engineer specializing in PCB design, circuit design, power electronics (SMPS), IoT, firmware development, and embedded systems. Expertise PCB Design & PCB Cloning ✅ Custom PCB Design – Single-layer, multi-layer, high-speed PCB layouts. ✅ Reverse Engineering – PCB replication, Gerber extraction, and optimization. ✅ RF & Antenna PCB – Wireless communication & high-frequency designs. ✅ Power Electronics PCB – SMPS, battery management, motor controllers. PCB Software: Altium, Eagle, KiCad, Proteus, EasyEDA, OrCAD, DipTrace, PADS, Sprint Layout. Circuit Design & Development ✅ Analog & Digital Circuits – Amplifiers, filters, logic gates, microcontrollers. ✅ Power Electronics – DC-DC converters, inverters, rectifiers, motor drivers. ✅ IoT Hardware – ESP32, Arduino, STM32, Raspberry Pi, GSM, LoRa, Zigbee. ✅ Industrial & Consumer Electronics – Smart automation, sensor integration. Firmware & Software Development ✅ Embedded Systems – Microcontroller coding, firmware optimization. ✅ IoT & Cloud Integration – MQTT, Firebase, AWS, Google Cloud, APIs. ✅ Wireless Communication – UART, I2C, SPI, CAN, GSM, BLE, LoRa. ✅ Machine Learning for Embedded – TinyML, TensorFlow Lite. 3D Modeling & Enclosure Design ✅ Fusion 360 for 3D Modeling – Designing enclosures, custom PCB casings, and product prototypes. ✅ 3D Simulation & Rendering – Mechanical part design and realistic visualizations. ✅ Export for 3D Printing & CNC – Creating STL and STEP files for manufacturing. Programming Languages I Use: ✔ C / C++ – Embedded systems, firmware development, and real-time applications. ✔ Python – IoT, automation, AI, and Raspberry Pi development. ✔ Assembly Language – Low-level programming for microcontrollers. ✔ JavaScript & Node.js – Web-based IoT dashboards and applications. ✔ Matlab & Simulink – Control systems, simulations, and algorithm design. Why Work With Me? ✔ High-Quality Designs – Optimized, reliable, and well-documented. ✔ Fast Turnaround – Efficient project completion. ✔ End-to-End Support – From concept to prototype. ✔ Affordable & Scalable Solutions – Cost-effective without quality compromise. ✅ Let’s bring your ideas to life! Contact me for your next electronics project. less
Hire Amidst
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DearSir, My background is related with: -Digital Motor Control -Analog Design -Electronic Design -PowerElectronics -Renewable energy -PCB design -Embedded system -Matlab -Simulation of hardware For each concept descriptions are as follows: Digital Motor Control: -3-phase induction motor vector control drive -Flux...DearSir, My background is related with: -Digital Motor Control -Analog Design -Electronic Design -PowerElectronics -Renewable energy -PCB design -Embedded system -Matlab -Simulation of hardware For each concept descriptions are as follows: Digital Motor Control: -3-phase induction motor vector control drive -Flux estimation algoritm generation -DSP(TMS320) implementation on motor drive -Low speed application -Torque and speed loop generation -Control algoritms -BLDC motor -Step motor -DC motor Analog design -Low power distribution -Noissless special opamp based analog circuits -Analog filters -Orcad simulation of several circuits Electronic Design -RF transmitter and receiver -Bluetooh reade rand transmitter -Magneticreader PowerElectronics -Implementation motor drive -AC/DC converter -DC-DC converter -Battery charger -Solar inverter -Renewable Energy -Uninterruptle power supplies PCB design -Schematic design by Altium -PCB design by Altium -Power board design -SMPS board design -Easyeda -CAD files of manufacturers Embedded system -ESP32,ESP8266,modules -Bluetooth and Wifi -PIC18,PIC24,PIC30 and dsPIC applications -Ardino -MSP430 -Atmel -DSP(Texas Instruments) -Renesas -STM32 -C2000 Matlab -Power Electronics simulation -Motor drive -WindEnergy -Solar Energy -Control applications Simulation of Hardware -Orcad Simulation (TI,National, LinearTech, Maximlibraries) -LTI -National -Matlab -Easyeda less
Hire macroenergy
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#1 Professional in electronics for hardware design #2 New Product Design/Development: Design thinking, Concept development, Schematic design, Control method design. 3D PCB simulation, box/enclosure simulation, assembly simulation. #3 See the OUTPUT first and pay LATER! I can take ideas right from sketching to...#1 Professional in electronics for hardware design #2 New Product Design/Development: Design thinking, Concept development, Schematic design, Control method design. 3D PCB simulation, box/enclosure simulation, assembly simulation. #3 See the OUTPUT first and pay LATER! I can take ideas right from sketching to manufacturing blueprints. #4 Free consultation, nothing is charged for time spent in meetings, communication etc. #5 I ensure the bill is justified and the output matches with the money paid! less
Hire ducchunguyen
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My name is JAMAL and I can help you with Mobile/Web App Development using Flutter Development with following human resource: With over 2 years of hands-on experience in Flutter development, he has been involved in the complete mobile app lifecycle—from planning and UI/UX design to development, deployment, and...My name is JAMAL and I can help you with Mobile/Web App Development using Flutter Development with following human resource: With over 2 years of hands-on experience in Flutter development, he has been involved in the complete mobile app lifecycle—from planning and UI/UX design to development, deployment, and maintenance. He has successfully launched 20+ apps on the Google Play Store, each reflecting his commitment to delivering reliable, user-friendly, and performance-optimized solutions. Alongside mobile development, he specializes in AI-powered solutions. His technical toolkit includes: Python scripting for automation and data processing Node.js for building scalable and efficient backends SQL Server for robust database design and management This combination enables him to not only build intelligent front-end experiences but also design and maintain the data-driven systems behind them. He thrives on merging creativity with technology, whether it’s integrating AI into mobile workflows, automating complex processes, or architecting scalable solutions. He is willing to contribute his skills, creativity, and problem-solving mindset to your innovative team and help shape the future of smart software solutions. He would welcome the opportunity to discuss how his background and vision align with your mission. I myself have expertise in following fields of technology. (Apart from my experience, I will get idea from you and will deliver the complete working project) a. Microcontroller programming; 1. Nordic (nRF51, nRF52, nRF53) 2. TI (CC13xx, CC25xx, CC26xx, CC32xx) 3. 8051 (Atmel, Intel, Nuvoton) 4. STM (STM8, STM32, BlueNRG-1, BlueNRG-2) 5. AVR (8- Bit, 32-Bit) 6. Cypress BLE PSoCs 7. Dialog's DA1458x, DA1453x 8. ESP12, ESP32 b. Electronic Development Boards; 1. Arduino 2. STM32 Discovery 3. TI's Launchpad c. Electronics Modules; 1. RFID and Fingerprint Module 2. RF Tranceivers(Silicon Labs chips, Zigbee, Wifi and Nordic etc) 3. Camera Modules(Omnivision) 4. SD card and memory chips 5. All type of displays ie LCD, GLCD, TFT, LED, OLED etc 6. IoT Modules d. Computer Software 1. Keil, Code Composer Studio 2. AVR Studio, MPLAB, STVD 3. Altium, Eagle 4. Cypress PSoC Creator 5. Android Studio I can develop android apps and IoT projects with online database management. less
Hire amelectronics
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Product Development Services Under One Roof We are a full-service product development team specializing in IoT, automotive electronics, embedded systems, and software solutions. From hardware, firmware, and PCB design to mobile apps, web dashboards, and cloud integration, we take products from concept to market....Product Development Services Under One Roof We are a full-service product development team specializing in IoT, automotive electronics, embedded systems, and software solutions. From hardware, firmware, and PCB design to mobile apps, web dashboards, and cloud integration, we take products from concept to market. Trusted for reliability, manufacturability, and cost optimization, we deliver freelance, milestone-based, or long-term projects. Let’s build your next connected product! less
Hire ITECH
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Over 9 years experience designing PCBs and embedded systems. I offer the following services: * Digital and Analog circuit design for SMPS Bucks and Boosts, Consumer Electronics and Industrial Electronic products. * PCB design using either KICAD, Altium, Eagle, EasyEDA, Allegro etc. For High Speed 4 to 8 Layer PCBs...Over 9 years experience designing PCBs and embedded systems. I offer the following services: * Digital and Analog circuit design for SMPS Bucks and Boosts, Consumer Electronics and Industrial Electronic products. * PCB design using either KICAD, Altium, Eagle, EasyEDA, Allegro etc. For High Speed 4 to 8 Layer PCBs and very hot power PCBs. * Embedded programming for 8 to 32 bit MCUs/MPUs from Microchip, ST Micro- electronics, Espressif etc. On IDEs like STM32 Cube IDE, MP Lab with Harmony and MCC, TI Code Composer Studio etc. * Instrumentation Engineering providing ** PLC programming of ABB, Siemens, Omron or Direct Logic PLCs ** SCADA development on Indusoft Web studio, Pulse or RS View 32 Works. ** Electrical wiring diagrams on Autocad Electrical. ** CAD drawings on Autocad or Solid works. * Professional 3D CAD design for electrical enclosures and complex PCBs using FreeCAD and Solid Works. I design 3D components for PCB parts with no models and create enclosures as well. * Back end and front-end web development mainly for IoT applications. Back-end Web deveopment using either ASP.Net, PHP or JSP with JSTL. * Desktop application development mainly for interacting with embedded hardware. Mainly with Java FX or with Visual Studios WPF with XAML. * Game Development (3D Modelling, animation and scripting) for Unity and JME3. less
Hire VTElectronics
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Rashid Tech Solutions is a systems-focused engineering and development practice with over 5 years of hands-on experience delivering reliable, production-ready solutions across software, cloud, automation, and embedded systems. We specialize in projects where multiple technologies must work together seamlessly —...Rashid Tech Solutions is a systems-focused engineering and development practice with over 5 years of hands-on experience delivering reliable, production-ready solutions across software, cloud, automation, and embedded systems. We specialize in projects where multiple technologies must work together seamlessly — software with hardware, cloud with automation, and logic with real-world operational constraints. Our work is driven by solid architecture, clean implementation, and solutions designed for long-term use, stability, and growth. 🔧 Core Capabilities Systems & Full-Stack Development End-to-end design and development of web platforms, backend services, APIs, dashboards, and mobile applications, built for scalability, security, and maintainability. Cloud, DevOps & Infrastructure Architecture and operations across AWS, Azure, and Google Cloud, including CI/CD pipelines, deployments, monitoring, performance optimization, and production hardening. Automation & Integrations Custom automation, workflow optimization, system integrations, bots, and backend processes to reduce manual work and improve operational reliability. Embedded Systems & Industrial Automation Development and integration of embedded systems, IoT devices, electronics, PCBs, PLCs, SCADA, and hardware–software interfaces for industrial and automation use cases. AI & Data-Driven Features Practical AI and machine-learning integrations such as computer vision, OCR, analytics, and intelligent system enhancements — applied where they deliver real, measurable value. Specialized & Custom Solutions Blockchain systems, trading tools, telephony platforms, and other domain-specific solutions when projects require deeper technical customization. 👥 Team & Delivery Model For larger or time-critical projects, I work with a small, trusted technical team, while personally managing and reviewing all work. This ensures clear communication, consistent quality, and a single point of accountability for the client. 🤝 Post-Delivery Support Delivery does not end at handover. We provide clear documentation, support, fixes, and ongoing assistance when required, ensuring systems remain stable, understandable, and easy to maintain over time. Our approach is reflected in consistent positive feedback from previous clients, who value technical ownership, clear communication, and dependable delivery. If you’re looking for a technical partner who thinks long-term and takes responsibility beyond launch, Rashid Tech Solutions is ready to support your project. less
Hire rashidamjad
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I am an RF and electronics design engineer from Ukraine with strong experience in antenna design, RF PCB layout, and general electronic hardware development. I focus on practical, manufacturable designs with predictable performance. Core expertise: - RF PCB layout (impedance control, grounding, isolation, EMI...I am an RF and electronics design engineer from Ukraine with strong experience in antenna design, RF PCB layout, and general electronic hardware development. I focus on practical, manufacturable designs with predictable performance. Core expertise: - RF PCB layout (impedance control, grounding, isolation, EMI reduction) - High-speed and mixed-signal PCB design (impedance and length matching) - Schematic & PCB layout and BOM for production-ready hardware - Power supply and filtering design - Antenna design and tuning (GNSS, Wi-Fi, ISM bands...) Typical work: - Wi-Fi, BLE, LoRa, and custom RF hardware - Compact and embedded antennas - Multilayer PCBs optimized for performance and cost - Design review, layout correction, and RF/EMI troubleshooting Tools: - RF design and simulation tools (ADS, CST, and HFSS) - PCB design tools (Altium, KiCAD, OrCAD, PADS, and EasyEDA) - Others (NI Multisim, Proteus, Matlab...) Thanks for visiting my profile. less
Hire leonidye
