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50 USD / hourWe are ZAWN Tech, a software and engineering team helping businesses turn complex ideas into reliable, production-ready products. Since 2014, we have delivered web platforms, mobile applications, SaaS products, AI/ML solutions, enterprise systems, automation, blockchain applications, IoT/embedded systems, and custom software for clients worldwide. With 349+ client reviews, a 4.9/5 rating, 95% on-time delivery, and 99% on-budget performance, our focus is simple: understand the business problem, build the right technical solution, and deliver it reliably. What we specialize in • AI & Machine Learning — computer vision, AI applications, automation, LLM integrations • Web & SaaS — React, Next.js, Node.js, Python, PHP and custom platforms • Mobile Apps — iOS, Android and cross-platform applications • Enterprise Software — business management systems, APIs, integrations and automation • Blockchain & Web3 — smart contracts, wallets, exchanges and custom blockchain solutions • IoT & Engineering — connected devices, embedded systems and industrial applications • Cloud & DevOps — deployment, infrastructure, APIs, databases and scalable architectures Why clients work with us ✅ 10+ years of experience on Freelancer ✅ 349+ completed client reviews ✅ 4.9/5 overall rating ✅ 95% on-time delivery ✅ 99% on-budget delivery ✅ Experienced multi-disciplinary technical team ✅ Full project lifecycle — strategy → design → development → testing → deployment → support We are particularly suited to projects where technical complexity, reliability and long-term maintainability matter. If you have an idea, an existing product that needs improvement, or a complex system that needs to be built from scratch, send us the requirements and we'll help you determine the best technical approach.Hire AwaisChaudhry
MuhammadUzair16 MuhammadUzair16
USD / hour Embedded Systems, IoT & Edge AI Software ArchitectPakistan50 USD / hourI design and build reliable embedded, IoT, and connected-device software — from firmware, RTOS, microcontrollers, and BLE communication to mobile apps, cloud integration, and AI/ML on edge devices. With 16+ years of experience in software development and embedded systems, I help startups, product teams, and engineering companies turn complex hardware/software requirements into stable, scalable, production-ready systems. ✅ Core Expertise 🔌 Embedded Firmware & RTOS C/C++ firmware development for microcontrollers and embedded platforms RTOS-based applications, task scheduling, memory optimization, and performance tuning Device drivers, sensors, UART, SPI, I2C, CAN, and hardware bring-up Firmware debugging, refactoring, reliability improvement, and performance optimization 📡 IoT, Bluetooth/BLE & Connected Devices BLE-enabled products, device pairing, GATT communication, and mobile-device connectivity IoT gateways, sensor networks, telemetry, device provisioning, and remote monitoring MQTT, REST APIs, wireless communication, cloud connectivity, and secure device workflows 📱 Mobile Apps for Hardware Products Android and iOS apps for device control, monitoring, configuration, and diagnostics Cross-platform mobile apps for BLE, Wi-Fi, and IoT-enabled products Real-time dashboards, alerts, synchronization, and hardware-software integration 🤖 Edge AI, AI/ML & Data Systems AI/ML workflows for embedded and resource-constrained systems Sensor analytics, signal processing, anomaly detection, and predictive logic Python-based automation, testing tools, engineering utilities, and data workflows 🏗 Software Architecture & Product Engineering End-to-end system architecture across hardware, firmware, mobile, backend, and cloud Clean, maintainable, testable code built for long-term product growth Technical planning, code review, debugging, documentation, and project rescue work ✅ What I Can Build IoT devices with firmware, mobile app, and cloud integration BLE-enabled products and companion mobile apps Industrial controllers, sensor systems, data loggers, and gateways RTOS-based embedded applications Edge AI systems and embedded analytics Custom firmware, drivers, protocols, dashboards, and automation tools Legacy embedded software modernization and performance optimization ✅ Why Work With Me 16+ years of hands-on engineering experience Strong understanding of both low-level embedded systems and high-level software architecture Ability to work across firmware, hardware integration, mobile apps, APIs, and cloud workflows Clear communication, realistic planning, and precise execution Focus on reliability, maintainability, performance, and production-ready delivery For projects involving embedded systems, firmware, IoT, BLE, mobile apps, device communication, or AI on edge devices, I can help you design and build it correctly from the start.Hire MuhammadUzair16
50 USD / hourModular Solutions delivers advanced Engineering, AI/ML, Embedded Systems, and IoT solutions for startups, enterprises, researchers, and industrial clients worldwide. We transform complex ideas into production-ready systems — from AI platforms and automation tools to embedded hardware, enterprise software, industrial controls, simulations, and engineering designs. Our expertise combines Artificial Intelligence, Machine Learning, Computer Vision, Deep Learning, Data Science, Analytics, and Automation with strong software engineering capabilities in Python, C/C++, Java, C#, .NET, PHP, JavaScript, SQL, MATLAB, Simulink, and Linux-based systems. On the hardware side, we specialize in Embedded Systems, IoT Devices, FPGA/Verilog/VHDL, PCB Design, Raspberry Pi, Arduino, ARM development, RF systems, electronics, firmware, industrial automation, sensor integration, DSP, and hardware/software interfacing. We also provide Mechanical, Electrical, Civil, and Structural Engineering services including AutoCAD, Civil 3D, SolidWorks, CAD/CAM, Product Design, 3D Modelling, Simulation, Renewable Energy systems, and technical feasibility analysis. Our experience includes: • AI-powered analytics and automation platforms • Facial Recognition and OpenCV systems • Enterprise SaaS and backend platforms • Industrial automation and control systems • FPGA and embedded hardware development • MATLAB/Simulink modeling and simulation • IoT evaluation and sensor systems • CAD drafting and engineering design • Unity 3D and simulation applications • Data analytics and statistical analysis • Research, technical writing, and documentation We also support clients with Project Management, Business Analysis, Finance, Accounting, Bookkeeping, QuickBooks reconciliation, Reporting, Scientific Research, Research Writing, Technical Writing, and enterprise consulting. Our technical stack and domains include: AI & Machine Learning | Deep Learning | Neural Networks | Computer Vision | OpenCV | Data Science | Big Data | Statistical Analysis | SPSS | R Programming | Python | MATLAB | Simulink | Algorithm Development | Data Mining | Text Mining | C Programming | C++ | Java | C# | PHP | JavaScript | SQL | .NET | Software Architecture | Linux | Web Development | Electronics | Electrical Engineering | FPGA | Verilog/VHDL | Embedded Systems | IoT | Arduino | Raspberry Pi | ARM | PCB Design | RF Communications | DSP | CAD/CAM | AutoCAD | SolidWorks | Mechanical Engineering | Civil Engineering | Structural Engineering | Product Design | 3D Modelling | Unity 3D | Technical Writing | Research Writing | Project Management | Finance | QuickBooks | Business Analysis Clients choose Modular Solutions for strong communication, fast execution, technical depth, and the ability to solve complex engineering and software challenges under tight deadlines. We focus on delivering reliable, scalable, and production-ready solutions tailored to each client’s goals.Hire umg536
50 USD / hour10 year's experience in digital system design using VHDL and verilog for FPGA's and CPLD's both for Xilinx and Altera Chips. I also have 10 years experience in working with Xilinx Ise form version 6.2 to 14.7 and Altera Quarus 2 for VHDL , verilog, system verilog and ip in addition to experience in Vivado design tool, and HLS and digital design using zynq7000Hire ahmedmohamed85"\t\t\t\t"
45 USD / hourDigital & Analog Electronics VHDL-Verilog-System verilog Matlab/Simulink Analog and Digital Communications Rust Python C/ C++/C# Micro-controllers Data Structures OOP Qt/ PyQt OpenCV x86 assemblyHire Lightcanon
25 USD / hour✋ Hi! this is Sukanta Mazumder. I have been working as a Professional PCB Designer and an Embedded System Expert for more than 6 years. I have been working in the field of Designing & Implementing : ☑️ Circuit , PCBs for both Commercial and Industrial purpose. ☑️ Microcontroller Based Projects. ☑️ IOT based automation Projects. ☑️ Projects Related to Robotics. ⚡I have completed my graduation in Electrical & Electronic Engineering (EEE). ⚡I have been collaborating on high complexity long-term projects with a variety of clients worldwide. ☑️ Through this profile, I Provide the Following Services: ✔ Schematic Design ✔ PCB Design (1/2/4/6/8 Layers) ✔ Gerber Export ✔ BOM Validation & Sourcing ✔ 3D CAD Design of PCB (.obj /.step) ✔ Reverse Engineering (PCB to New Schematic) ✔ Custom Symbol & Footprint from Datasheet ✔ Microcontroller Based PCB Design ✔ Writing code for the specific microcontrollers ☑️ I had implemented lots of Microcontroller based projects using Arduino, ATMEGA Series, STM32, ESP8266, ESP32, Nordic Semiconductor MCU nRF52, nRF53 Series. Some of them are: ✔Smart Power Meter ✔Smart Wheel Chair ✔Android App Based Automation Project ✔ PID based line follower ✔ Object detector for vision impaired person ✔ SMART Timer ✔Automatic Sow Seeding Robot ✔ IOT based Water and Power Consumption monitoring System ✔ Smart Multimeter with Oled display and so on ☑️ Here are my Industrial Projects: ✔ Industrial 3D Printer ✔ SSR Controller ✔ Stepper Motor Controller with STM32 ✔ 3 Phase Non Insulated AC to DC Conversion & Relay Control ✔ Power Distribution PCB for 3D Printer and so on. ☑️ I can also provide good quality Engineering Report service using: ✔ Latex Why You Should Hire me: : ☑️ On time delivery with Best quality for every project at reasonable rate ($) . ☑️ Assist On PCB Fabrication. ☑️ 100% Guarantee on Customer Satisfaction. ☑️ 24/7 Support After Project Completion (Free of Charge) So, what are you waiting for?? If you have any Idea and PCB Design related projects or any Microcontroller based projects give me a knock as early as possible. I assure you, an unforgettable great experience you are going to get.Hire Sukanta0110
15 USD / hourHello, My name’s Saddam Gul, and I’m an Electronics Engineer who is highly educated and skilled in a plethora of different build and project types. I have operated as a freelancer for the past 7 years and have fantastic ratings from my past customers, as can be seen in the Ratings section of my profile. I have knowledge and experience with all of the following, which I offer as services to all my clients: • Analog and Digital Circuits Design • Circuit Schematic Design • PCB Layout Design • Circuit Simulations • Matlab Coding • Matlab Simulink Simulations • FPGA Verilog/VHDL Coding • C/C++, Java, and C# Coding • Electronics Circuit Prototype Development and Testing • Embedded System • Microcontroller Coding • IoT • Power Electronics • Digital Logics Design • Android and IOs App Development • Web App Development I am also an expert in these software tools but not limited to: Circuits and PCB layout designing Tools/Software 1- Altium Designer 2- Diptrace 3- Easyeda 4- Kicad 5- Circuit Maker Simulations Software 1- Matlab Simulink 2- Proteus 3- Logisim 4- PSIM 5- Multisim Programming Software 1- Arduino IDE 2- Dev C++ 3- Visual Studio 4- Maple 5- Code Composer Studio (CCS)" 6- Flutter I work 6 days a week, and am available at all hours during those days. All my work is guaranteed to be on time AND on budget, and I am always available to answer any questions or concerns you may have during the completion of your product. Any questions? Interested in working with me? Send me a message or hit the ‘Hire Me Now’ button and let’s get started!Hire saddamgul842
40 INR / hourHello everyone! At Smartimate Tech Solutions we always try to provide best solutions to our clients for all their Iot, Automation and App development needs. Our expertise on different software includes: ● Arduino ● EspresssIF ● STM32 ● .Net MAUI ● Azure We aim to deliver the utmost satisfaction to my clients and offer them the best quality results. Our services include: ● Automation Software development and hardware design ● STM32 Firmware development ● Espressif Development ESP12, ESP32, ESP8266 (NodeMCU, WemOS etc), ESP-CAM ● Firmware Development for Arduino such as Arduino Nano, Mega, UNO, etc.) ● Windows IoT Development ● Raspberry Pi Development ● Electronics design ● .Net MAUI Multiplatform Development (Android, IOS, Windows, macOS)Hire mdjavedakhtar
25 USD / hourSiliconNexus is a technology solutions provider dedicated to helping businesses succeed in a rapidly changing world. We specialize in the development of sustainable, end-to-end solutions that are tailored to meet the specific needs of our clients. Our team of experienced professionals is committed to providing the highest quality solutions that are secure, scalable, and cost-effective. We stay at the forefront of technology and leverage the latest innovations to create solutions that are reliable and easy to use. ⭐ Services We Offer ✔ Web 2.0 ☑️ UX/UI research & design ☑️ Frontend development: React.js, Vue.js, Typescript ☑️ Backend development: Python (Django), Node.js, ☑️ Mobile app development: Flutter, React Native ✔ Web3.0 & Blockchain Solutions ☑️ Chains - Ethereum, EOS, Solana, Binance, Polygon ☑️ Smart contracts = ERC20, ERC721, ERC721A, ERC1155 ☑️ DeX's - Pancake Swap, Uniswap, Sushi Swap ☑️ DAO - From smart contract development to DAO governance ☑️ dApps - NFT minting buy, sell OR digital assess buy / sell OR Identity management etc. ☑️ Hyper-ledgers - Substrate [custom chain development] ✔ Embedded Systems Development ☑️ Hardware Design - PCB , High Speed, antennas & FPGA's ☑️ Drivers Development - I2C, CAN, USART, PCIe, AXI, DMA, Interrupt Controllers ☑️ Embedded Linux - Yocto , BitBake, ☑️ IOT application development - BLE, LTE 4G, 5G, LoraWAN, Zigbee, WiFi & Wifi6 ☑️ Cloud Integrations - GoogleCloud, Azure, AWS ☑️ Hardware Design & Verification Services - RISCV SoC design & verification ⭐ Our commitment ✅ 100% work quality ✅ Project demonstration & documentation ✅ Active support against any issue (even after deployment) ✅ 15 hours free-of-cost maintenance & support ✅ Free Discovery sessions & project consultation At SiliconNexus, we believe in building long-term partnerships with our clients. Our commitment to customer service and excellence ensures that we exceed our clients’ expectations. We are passionate about helping our clients stay ahead of the competition by providing them with the best technology solutions available. Silicon Nexus Business Development & Consultant Book a Free Consultation CallHire aqibnasim
35 USD / hourI’m an experienced over 10 years PCB and Embedded Systems Engineer specializing in hardware–firmware integration, RF design, and IoT product development. Electrical and Embedded Systems Engineer with over 10 years of experience in PCB design, embedded firmware development, and hardware system integration. Proven expertise in ESP32, STM32, Arduino, MATLAB, and Altium Designer. Strong background in delivering production‑ready designs for IoT, automation, and industrial applications. Core Skills - Embedded Systems (ESP32, STM32, Arduino) - PCB Design – Altium, KiCad - Firmware Development (C/C++) - MATLAB / Simulink / LabVIEW - Communication Protocols: UART, SPI, I2C, CAN - IoT Systems & Sensors - Hardware Debugging & Testing - Power Electronics & Control Systems My focus is on precision, efficiency, and reliability from concept to prototype. I specialize in transforming ideas into reliable, production-ready electronic systems from schematic to firmware to prototype. 💡 Core Expertise 🔹 PCB Design & Hardware Development Expert in Altium Designer, KiCad, Eagle, and EasyEDA High-speed multilayer PCB design with analog/digital mixed-signal precision Proven experience with BMS boards, IoT devices, RF modules, and motor drivers Emphasis on EMC compliance, low-noise layout, and manufacturability 🔹 Embedded Systems & Firmware Engineering Proficient in C/C++, FreeRTOS, and bare-metal programming Platforms: STM32, ESP32, PIC, Arduino, nRF52, Raspberry Pi Integration of sensors, actuators, communication interfaces, and wireless modules Focused on power optimization, real-time control, and efficient resource use 🔹 RF, IoT, Raspeberry PI & Wireless Communication Skilled in Wi-Fi, BLE, Zigbee, LoRa, and custom RF design PCB antenna tuning and matching network design Cloud & data integration via MQTT, HTTP/HTTPS, and Python automation 🧠 Secondary Expertise 🔸 Simulation & Modeling MATLAB/Simulink for control, signal processing, and dynamic systems LTSpice, Multisim, Proteus for analog/digital circuit simulation 🔸 Test, Measurement & Automation LabVIEW NI for data acquisition, visualization, and industrial automation Real-time system design, test bench automation, and measurement control 🎯 Why Choose Me ✔ Master’s-level expertise in Embedded & Electronics Design ✔ Cross-domain proficiency: Hardware + Firmware + RF ✔ Precise documentation — schematics, BOM, and Gerber files ✔ Fast communication, full confidentiality, and milestone-based delivery ✔ Free post-project support for long-term client satisfaction Let’s turn your concept into a powerful, real-world product with precision, reliability, and innovation. Best regards, Engr. Muhammad Usman PCB | Embedded | RF | IoT | MATLAB | LabVIEWHire engrusmanfaiz
