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7.6
7.6
98%

Lahore, Pakistan
$16 USD per hour
✋ Hi! I am an Electrical/Electronics Engineer. I am expert in ✅ Professional PCB design( EAGLE, ALTIUM, easyEDA, PROTEUS, KICAD) ✅ Arduino/ Microcontroller(Arduino IDE, Platform IO, MPLAB, MIKROCHIP, ETC) ✅ TFT and Touch screen designs (Nextion, Visual designer, Nuritake, layout designer) ✅ MATLAB/Simulink ✅ IOT Technologies (BLE, Wi-Fi, RF, GSM, GPS, ESP32/ESP8266, STM32, MQTT, BLYNK, CODE BLOCKS) ✅ Mobile App Development( IOS, Android) ✅ CIRCUIT SIMULATION (Pspice/LTspice/Proteus/Multisim) ✅ C++/C/Java/Python/Php ✅ 3D Designs (AutoCAD/ Solid works/FUSION 360) ✅ MATHS /DIGITAL ELECTRONICS expert I am very experienced and I am sure you will be satisfied with my work. So please reach out to me so that we can discuss your project in greater detail!

9.8
9.8
98%

Rajkot, India
$7 USD per hour
## 18+ Years of Experience | AI-Powered Development | Top on Freelancer Hi there! I’m Ghanshyam, and I lead the team here at Keshav Infotech. Our journey started in 2006. Back then, my partner Samir and I had just three computers (one was borrowed!) and a tiny workspace. Today, we have grown into a team of 75+ experts working from our 5,000-sq-ft office. We aren't just "tech guys"—we are "techpreneurs" who love building great products. ### Why Work With Us? We combine 18 years of deep experience with the speed of modern AI. => Faster Delivery: We use the latest AI tools (Cursor, Claude, ChatGPT) to write and check code faster. => Better Pricing: By using AI and ready-made assets, we save time on manual tasks. We pass those savings on to you. => Proven Quality: We are in the Top Rank of the Freelancer.com community with a very high repeat hire rate. ### What We Do Best - Mobile Apps: iOS, Android, and Flutter. - Specialized Apps: BLE, IoT, NFC, and Hardware integration. - Game Development: High-quality Unity Games. - Web Development: Laravel, Node.js, React, Vue, WordPress, and Shopify. - Design: Modern UI/UX Design for apps and websites. ### How We Work (Step-by-Step) We follow a clear process so there are no surprises: 1. Scope: We create a detailed study document of your requirements. 2. Planning: We build wireframes and data flow diagrams. 3. Design: We create the system design and all app screens. 4. Testing Plan: We define test cases for all devices. 5. Development: Our team starts the programming phase. 6. Review: Regular updates and reviews with you. 7. Launch: Final testing, bug fixing, and deployment to your server. ### Availability & Communication - Response Time: Usually within 12 hours. - Working Days: Monday to Saturday. - Working Hours: 10:00 AM to 8:00 PM. Our Goal: We aren’t looking for a "one-time project." We want to build a long-term business relationship with you. We guarantee our work and won't stop until you are 100% happy. Ready to start? Let’s chat about your project! Best Regards, Ghanshyam & Samir Keshav Infotech

9.2
9.2
99%

Daska, Pakistan
$50 USD per hour
Live Experts LLC is a multidisciplinary technology company specializing in Engineering, AI/ML, Embedded Systems, IoT, and Automation Solutions for startups, businesses, and enterprises worldwide. With over a decade of technical delivery experience and hundreds of successfully completed projects, we help clients transform complex ideas into scalable, production-ready solutions that solve real business and operational problems. Our strength comes from combining software, AI, automation, electronics, and engineering expertise under one team. This allows us to handle both digital systems and real-world hardware projects with practical implementation experience. Our expertise includes: • Artificial Intelligence (AI) & Machine Learning (ML) • Generative AI & Conversational AI • AI Chatbots & AI Agents • Computer Vision & OCR Systems • Predictive Analytics & Data Intelligence • Workflow Automation & AI Integration • Embedded Systems & IoT Solutions • Arduino, ESP32 & Raspberry Pi Development • PLC, SCADA & Industrial Automation • Electrical & Mechanical Engineering Support • Sensor Integration & Smart Monitoring Systems • AI-Powered Dashboards & Business Platforms • Cloud APIs & System Integrations • Automation & Control Systems We work with modern technologies including: Python, OpenAI, ChatGPT, TensorFlow, OpenCV, Node.js, React, FastAPI, PostgreSQL, AWS, Docker, MATLAB, Arduino, ESP32, Raspberry Pi, PLC systems, and industrial automation platforms. What makes us different is our ability to bridge the gap between: AI + Automation + Embedded Systems + Engineering Many companies can build software. Others can build electronics. Very few can combine AI, automation, hardware, and engineering into complete intelligent systems that work in real business environments. We have experience working across: • Industrial Automation • Healthcare • Logistics & Fleet Systems • Manufacturing • Finance & Trading Systems • Smart Monitoring Systems • Operational Dashboards • IoT & Connected Devices • AI Business Solutions • Intelligent Automation Platforms Our development approach focuses on: • practical implementation • scalable architecture • clean UI/UX • reliable integrations • business-focused solutions • long-term maintainability • clear communication • premium execution quality Whether you need: • an AI-powered platform • an embedded IoT device • industrial automation • computer vision systems • AI automation workflows • predictive analytics dashboards • AI chatbots • sensor-based monitoring systems • electrical/mechanical engineering support • or a complete intelligent system Live Experts can help design, develop, and deploy reliable solutions tailored to your business goals. We believe in building long-term partnerships and delivering systems that create measurable operational and business value.

7.9
7.9
99%

SYLHET, Bangladesh
$20 USD per hour
I've had a fascination with electronics ever since I was a young child. I became a circuit designer because of my obsession with robotics and electronics. I've been motivated to learn and research more because of the bachelor's major I chose. I've been working for approximately 4 years as a Professional PCB Designer and an Expert in Embedded Systems. The following services are offered by me: ✔ Schematic Design ✔ PCB Design (1/2/4/8 Layers) ✔ PCB manufacturing support ✔ 3D CAD Design of PCB (.obj /.step) ✔ Custom schematic library and PCB footprint creation I have done many projects till now. some of those are- ✔ 5-lead ECG device prototype for healthcare ✔ Oximeter SpO2 monitor ✔ Sports Activity monitoring device using mmWave radar technology ✔ Advanced PID controlled Line Following and obstacle avoiding robot ✔ Design and Implementation of Pulse oximeter ✔ 2G(Sim800c) & LTE(Sim7600g) based GPS tracker using ESP32 PICO mcu ✔ Disinfection tunnel for securing area from Covid-19 infection ✔ Solar powered incubator system with temperature and humidity control for smart agriculture ✔ IR remote & Wi-Fi based home automation system ✔ Contactless thermometer with image capturing device ✔ GPS based positioning and Speedometer device ✔ Using Dali, 0-10V, LoRa,WiFi, BLE modbus prototol various street lighting system devices ✔ 4-20mA to 0-5 industrial sensor reading development board I have experience about: 1.Circuit Design 2.PCB Design & Layout making using the following softwares : ✅ Altium ✅ Autodesk Eagle ✅ Proteus ✅ Orcad ✅ KiCad etc My goal is to provide : ✅ Best effort and quality for every project at reasonable rate ($) . ✅ Free servicing facility even after completing the project. ✅ The project perfectly within shortest possible time. Even i will try my best to complete my project before the expiration time.Please allow me to complete your project and i am ensuring my best effort for this.I would love to hear more about what would make this project successful for you and explore if we would be good fit to work together.I am looking forward to your response and wish you all the best for you future. So you can completely rely on me.

7.6
7.6
91%

Richmond Hill, Canada
$25 USD per hour
I lead a multidisciplinary engineering team delivering integrated solutions across mechanical design, electronics & embedded systems, industrial engineering, and business optimization, covering industrial, energy, and mining engineering applications. Our strength lies in combining technical expertise with structured project execution — transforming ideas into production-ready and performance-optimized systems. 🔹 Mechanical & Product Engineering CAD/CAM Design Mechanical Design & Design for Manufacturing (DFM) Design for 3D Printing SolidWorks Modeling & Simulation 3D Modeling & Product Visualization Sheet Metal & Weldment Design GD&T & BOM Preparation KeyShot Visualization & Motion Structural Analysis (ANSYS & ABAQUS) HVAC, Refrigeration & Plumbing Systems Design Solar Energy System Design Life Cycle Assessment (LCA) Energy Simulation (DesignBuilder, EnergyPlus, TRNSYS, PVSyst) SimaPro Revit MEP, BIM Coordination, Navisworks & Construction Documentation 🔹 Structural & Construction Engineering Structural Engineering Construction Engineering Steel Structure Design Structural Analysis (ETABS, SAP2000 & SAFE) Existing Building Assessment & Retrofitting AutoCAD Structural Drafting 🔹 Electronics & Embedded Systems PCB Design (Single/Multi-layer, SMD/THT) Embedded Firmware (C, Python, STM32, ESP32, ARM MCUs) Power & Battery Systems (Li-Ion/LiPo, Low-Power Design) IoT & Wireless (BLE, WiFi, MQTT, Cloud IoT) Protocols (I2C, SPI, UART, CAN, RS485, MODBUS) Sensors & Control Systems Arduino & Raspberry Pi (Embedded Linux, Edge Computing) Industrial Automation (PLC/SCADA) Embedded Product Development & Prototyping Testing & Validation (HIL, SIL, Unit/Integration) Test Automation (Robot Framework, VectorCAST, MATLAB) Automotive Embedded Testing (ISTQB Practices) 🔹 Engineering Management & Optimization Project planning & scheduling Resource & production planning Risk management & process optimization Business intelligence & Power BI dashboards Python-based data analysis ML & predictive modeling Forecasting, Excel automation Cost & time estimation Technical & research writing Optimization (GA, NSGA-II, PSO) Decision systems & MCDM 🔹 AI, Engineering Analytics & Optimization Machine learning & deep learning Data science & engineering analytics SVM, ANN, MLP, CNN Feature selection & predictive modeling Operations research & optimization Scientific & numerical modeling Edge AI & Embedded Intelligence Systems AI-driven decision support systems We improve engineering efficiency, productivity, and system performance across technical and operational domains. We also bring hands-on experience in industrial equipment design, including HVAC, refrigeration systems, and production-ready mechanical solutions using SolidWorks and industry-standard workflows. If you are looking for a technically strong engineering partner capable of handling multidisciplinary projects from concept to implementation, I would be happy to discuss your project

9.2
9.2
100%

BANGKOK, Thailand
$130 USD per hour
Hi, I’m Marjan, Website & Software Developer with 16 years of experience and 4,400+ successful projects delivered worldwide. I help businesses build fast, secure, professional and conversion-focused websites, eCommerce stores, custom web applications, booking systems, dashboards and scalable digital platforms. My expertise includes: • WordPress, Elementor & Custom Theme/Plugin Development • Shopify Store Design, Setup & Customization • Full-Stack Web Development • SaaS, MVP & Custom Web Application Development • Booking Funnels, Lead Generation Forms & Dashboards • PHP, JavaScript, HTML, CSS & API Integrations • Wix, Webflow & Business Website Development • Technical SEO, Speed Optimization & Website Maintenance What you can expect when working with me: • Clear and professional communication • Clean, maintainable and scalable work • Careful attention to detail • On-time delivery and long-term support Whether you need a business website, Shopify store, WordPress development, custom platform, SaaS MVP, booking funnel or ongoing website support, I can help you plan, build and launch it properly. Let’s discuss your project and create something that works for your business.

8.6
8.6
100%

Nanaimo, Canada
$60 USD per hour
🤝Building Scalable Digital Products That Drive Business Growth🤝 BlueCloud Software is a Canadian-based technology team specializing in custom web, mobile, SaaS, AI, and cloud solutions for startups, enterprises, and growing businesses worldwide. With 10+ years of industry experience, we transform ideas into secure, scalable, and high-performance digital products. Founded with a strong background in digital content and creative strategy, we combine modern engineering with user-focused design to build products that are both technically powerful and commercially impactful. Our Services • Custom Web & Mobile Application Development • AI Automation & AI-Powered Systems • SaaS Platform Development • E-Commerce Solutions & Optimization • Blockchain & dApp Development • UI/UX Design & Product Strategy • API Integration & Cloud Infrastructure • DevOps, QA Testing & Performance Optimization Technologies React, Next.js, Vue.js, Angular, Node.js, Laravel, Django, .NET, Flutter, React Native, AWS, Docker, Shopify, Magento, PostgreSQL, MongoDB, Firebase, and more. With 500+ five-star reviews, 100+ recommendations, and a proven record of reliable delivery, we focus on quality, innovation, transparency, and long-term client success. We don’t just build software — we build digital products designed to scale, perform, and create real business value. Let’s build something exceptional together.

8.3
8.3
98%

Cairo, Egypt
$50 USD per hour
10 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 zynq7000

6.1
6.1
97%

dewas, India
$15 USD per hour
Welcome In GraphicsVolume!! In Designing section we are providing graphics related all work as well as Video creation & editing. Like - Logo, Banner, Poster, Business card, Employee ID Card, Flyer, T-shirt, Hoarding, Broucher, logo intro animation, video, Figma and xd design etc We are believe in quality work. Thanks
An Arduino engineer is an embedded systems specialist who designs, programs, and prototypes electronic devices using the Arduino microcontroller platform and its ecosystem of shields, sensors, and libraries. Hiring a freelance Arduino engineer gives you fast access to hardware-software integration skills for IoT devices, robotics, automation, and product prototyping without the overhead of a full-time embedded team.
Arduino developers turn an idea or a circuit sketch into working firmware running on real hardware. They write C and C++ code for the Arduino IDE, design supporting circuits, integrate sensors and actuators, and validate the build through bench testing and iterative prototyping. The commercial value is speed: a skilled Arduino consultant can move a concept from breadboard to functional prototype in days rather than weeks, which compresses product development cycles and reduces the cost of validating ideas before committing to custom PCB manufacturing.
Typical deliverables from an Arduino freelancer include:
Strong Arduino experts work fluently across the official board family and the wider compatible ecosystem. Expect proficiency with the Arduino Uno, Mega, Nano, Leonardo, and Due, along with the MKR series for IoT projects and the Nano 33 BLE for wireless and machine learning workloads. Many projects also call for closely related microcontrollers that use the same toolchain, including the ESP32, ESP8266, and Teensy.
On the software side, look for hands-on experience with:
Arduino engineering is used wherever low-cost, low-power microcontrollers can collect data or control physical hardware. Common engagements come from:
The strongest Arduino developers combine firmware skill with practical electronics knowledge. They can read a datasheet, choose the right voltage regulator, debug a noisy sensor signal with an oscilloscope, and write firmware that survives power cycles in the field. A formal background in electrical, electronic, or mechatronic engineering is common but not required if the portfolio shows depth.
When reviewing candidates, look for:
Useful interview questions to copy and use:
Freelancer.com hosts a global community of embedded systems developers, electronics designers, and IoT specialists with verified Arduino experience. You can compare freelancers across regions, review past project history, and shortlist candidates whose portfolios match your specific board, sensor, or industry. Clients on Freelancer.com set their own budgets and receive competitive bids, which means you control the commercial parameters while the platform handles the matching.
Freelancer.com also supports the engagement end-to-end with built-in chat, file sharing, and Milestone Payments that release funds only when agreed deliverables are accepted. For hardware projects where firmware, schematics, and physical prototypes change hands across borders, that structure protects both sides.
Ready to move your hardware idea from concept to working prototype?
Hiring an Arduino engineer works best when the brief is concrete enough for freelancers to size the work accurately. Hardware projects depend on specific sensors, boards, communication protocols, and physical constraints, so the more precision you provide upfront, the faster you reach a usable prototype. The process below moves from posting your brief to awarding the project.
The project brief is the single biggest factor in bid quality. A clear description filters out generic responses and attracts Arduino developers whose hardware and firmware experience genuinely match what you need. Head to the
Bids on Arduino projects are short proposals, not just price quotes. Strong proposals show that the freelancer has read the brief, understood the hardware and firmware challenges, and thought through how to approach them. Read each bid carefully and shortlist candidates whose interpretation of the work matches your intent.
The award decision combines proposal quality with profile evidence. For Arduino work, consistency across past hardware projects matters more than a single impressive demo, because embedded projects expose engineers to a wide range of debugging and integration problems over time. Review each shortlisted profile carefully before awarding.
A simple sensor or controller prototype with off-the-shelf modules can be delivered in one to two weeks, including firmware and a wiring diagram. Projects involving custom PCBs, certification, or production-ready enclosures usually run several weeks to a few months because they include design iterations, board fabrication lead times, and field testing.
Yes. Many Arduino projects on Freelancer.com are one-off prototypes built to validate an idea, support a research paper, or demonstrate a concept to investors. You can scope a single deliverable, agree on milestones, and close out the engagement once the prototype meets the brief.
An Arduino engineer specializes in the Arduino ecosystem and its rapid-prototyping toolchain, which is ideal for proofs of concept and small-scale production. An embedded systems engineer covers a broader range of microcontrollers, RTOS environments, and production-grade firmware practices. Many freelancers do both, and the right choice depends on whether you need a quick prototype or a hardened product ready for mass manufacturing.
If you need firmware, sensor integration, and a working prototype, hire an Arduino engineer. If you already have validated firmware and need only a manufacturable circuit board, a dedicated PCB designer is the better fit. Many Arduino freelancers offer both, so a single hire can often carry the project from prototype through PCB layout.
Yes, source code, schematics, wiring diagrams, and bill of materials are standard deliverables. Confirm intellectual property ownership in the project brief so the handover and rights transfer are explicit before work begins.

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