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45 USD / hourExperienced embedded system engineer with a passion for bringing products to life. With more than 15 years of experience in the industry, has a proven track record in firmware development, hardware integration, and product launches. Driven by a desire to solve problems and create value for customers. ☑️ language Assembly, C Programming, C++, Python, Shell script, Makefile ☑️ System Programming Real-time Operaing systems, Embedded Linux, Linux device driver, Windows device driver ☑️ High level programming Win32, Linux user space, Android NDK, Qt, MFC ☑️ Firmware Programming PIC microcontroller, ATMEL, ATMEGA, STM32, Nordic, ESP32, Arduino, Raspberry PI ☑️ Embedded Communication protocol I2C, Serial Peripheral Interface(SPI), UART, USB, GPIO, Controller Area Network(CAN), Recommended Standard 232(RS232), one-wire, Recommend Standard 485(RS485), Bluetooth ☑️ Hardware design Circuit design, schematic design, PCB design, Multi-layer PCB design, Electronic design, Altium designer ☑️ Debugging JTAG, GDB, Print ☑️ Reversing IDA, OllyDbg, 2-layer PCB reversing ☑️ Security Executable file behavior analyzing, Executable file static analyzing Website security analyzing, Troubleshoot PC security level OTA firmware secure updateHire AlexandrGergel
25 USD / hourRashid Tech Solutions is a systems-focused engineering and development company with 5+ years of hands-on experience across software, cloud, automation, electronics and embedded systems. We build reliable solutions where software, hardware and cloud technologies work together smoothly. Core Expertise Web, SaaS & UI/UX: PHP, Python, JavaScript, TypeScript, React, Node.js, Laravel, Django, Next.js, .NET, SQL, WordPress, Webflow, Wix, responsive websites, dashboards, portals, APIs and UI/UX. eCommerce & Payments: Shopify, WooCommerce, Magento, PrestaShop, Stripe, PayPal, subscriptions, checkout, shipping, inventory and ERP/accounting integrations. Mobile & Desktop Apps: Android, iOS, Flutter, React Native, Python, .NET/WPF, Electron.js, APIs, databases and integrations. Cloud & DevOps: AWS, Azure, GCP, Docker, Kubernetes, CI/CD, GitHub, GitLab, Linux, Windows Server, Nginx, Terraform, Ansible, VPS, monitoring, backups and security. Automation & Integrations: Zapier, n8n, Make.com, Power Automate, Airtable, Brevo, Stripe automation, APIs, webhooks, bots, CRM automation and data sync. Enterprise Solutions: Odoo, Zoho, Salesforce, Dynamics 365, SharePoint, Power BI, Power Apps, Microsoft 365, CRM/ERP, Business Intelligence and dashboards. Accounting, Payroll & Excel: QuickBooks, Xero, payroll, invoicing, Teams integrations, Excel, VBA, Power Query, dashboards, financial models, reporting and API/database integrations. Electronics, PCB, Embedded & IoT: PCB design/layout, schematics, firmware, STM32, ESP32, Arduino, Raspberry Pi, ARM, RTOS, I2C, SPI, UART, BLE, WiFi, MQTT, NFC, LoRa, Zigbee and RF. PLC, SCADA & Industrial Automation: PLC, SCADA, HMI, instrumentation, motor/control systems, robotics, machine vision, motion control and equipment integration. Mechanical CAD/CAM & CNC: SolidWorks, Fusion 360, AutoCAD, CATIA, Siemens NX, Mastercam, 3D CAD, assemblies, enclosures, sheet metal, DFM, CNC, toolpaths and G-code. AI & Computer Vision: Generative AI, LLMs, AI agents, chatbots, Machine Learning, TensorFlow, OpenCV, OCR, object detection, image recognition and video processing. Blockchain & Trading: Smart contracts, DApps, Ethereum, BSC, Polygon, Solana, MT4/MT5, MQL4/MQL5, TradingView, Pine Script, Binance, broker APIs, EAs and trading bots. Marketing & Automation: Google Ads, conversion tracking, Google Analytics, technical SEO, YouTube optimization, TikTok content, video editing, Brevo, HubSpot, Zoho, Zapier, Make.com, Airtable, email campaigns and lead workflows. Networking & Communications: VPN, firewall, SSL, DNS, Active Directory, OpenVPN, VoIP, SIP, Asterisk, PBX, WebRTC, virtualization and system administration. Team & Delivery: Our multidisciplinary team covers software, cloud, electronics, embedded systems, automation and engineering. I personally oversee communication, technical direction and delivery. Post-Delivery Support: Documentation, fixes and ongoing support are available after handover.Hire rashidamjad
20 USD / hourWith over 5 years of hands-on experience, we are a seasoned full-stack development team,Leveraging a diverse team of certified experts proficient in nearly every IT skill imaginable, we offer a wide range of IT solutions to cater to all your digital needs. Web Development: Experts in HTML, CSS, WordPress, WIX, PHP, JavaScript (MEAN+MERN), React.js, Angular, and more. We excel in CMS, RESTful APIs, and cloud technologies. Mobile App Development: Proficient in Flutter, Android (Kotlin/Java), and iOS (Swift/Swift UI/Obj-C). We handle NFC, geolocation, and payment integration with ease. Database Development: Skilled in both SQL (Teradata, Oracle, MSSQL, MySQL) and NoSQL (MongoDB, Cassandra, Hive). We utilise Metabases for powerful insights. Desktop Programming: Versed in Java, Swift, JavaScript, Python, C#, and more for desktop solutions. Blockchain: Our forte includes crypto exchanges, Dapp development, and ICOs on Ethereum, Solana, Polygon, and more. Cloud & DevOps: We manage AWS, Azure, Google Cloud, and employ DevOps tools for seamless deployments. AI & Machine Learning: Experts in Computer Vision, OCR, Machine Learning, and more, leveraging Google Cloud Platform, OpenCV, TensorFlow, and AI architectures. Game Development: We create captivating games using WebGL, HTML5, Unity3D, 3ds Max, and Unreal Engine. E-commerce: Crafting E-commerce Websites, mastering WordPress WooCommerce, and streamlining payment integration. Telephony: Proficient with Twilio, VoIP, SIP, Asterisk, FreePbx, and Free Switch for call center solutions. Trading Solutions: We excel in Sierra Chart, Pine Script,, and various trading APIs. Hardware & Electronics: Skilled in Arduino, Raspberry Pi, and ESP32, with expertise in PLC and SCADA systems for automation and control solutions.Hire RashidAmjad1
60 USD / hourGreat software starts with more than good code. It takes the right architecture, clear technical decisions, and someone who can carry the product from idea to production without losing sight of the business goal. I’m a Senior Full-Stack & AI Engineer with 10+ years of experience building complex web platforms, mobile applications, AI-powered products, enterprise systems, and connected-device solutions. Core Expertise: React / Next.js, Node.js / NestJS, Python / FastAPI, .NET, Laravel, Flutter, React Native, Kotlin | AI / LLM / RAG | SaaS Platforms | Cloud Architecture | Embedded & IoT | ESP32, Arduino, BLE / GATT, MQTT What I Can Build: ✅ AI & Intelligent Automation LLM-powered applications, RAG systems, AI assistants, document processing, workflow automation, predictive solutions, and AI integrations ✅ SaaS & Full-Stack Platforms Marketplaces, subscription platforms, payment systems, dashboards, admin portals, role-based applications, and real-time products ✅ Mobile Applications iOS and Android apps, Flutter, React Native, native Android, BLE-connected apps, subscriptions, in-app purchases, and store release support ✅ Embedded & IoT Solutions ESP32, Arduino, BLE/GATT, MQTT, sensors, firmware integration, device control, telemetry, OTA workflows, and device-to-cloud systems ✅ Enterprise & Third-Party Integrations ERP/CRM integrations, SharePoint, NetSuite, Stripe, Supabase, APIs, automation platforms, cloud services, and custom business workflows ✅ Production Engineering Existing codebase audits, architecture improvements, performance optimization, security hardening, deployment, release issues, and complex debugging How I Work I take ownership of the technical side of a project, communicate clearly, and focus on building solutions that are reliable, maintainable, and ready for real users. Whether you’re starting with an idea, scaling an existing product, or dealing with a system that needs experienced technical direction, I can step in and move it forward. If you’re looking for an engineer who can understand the bigger picture, handle the difficult technical details, and deliver with confidence, send me your project requirements and let’s build it the right way.Hire kareemmaize
MuhammadUzair16 MuhammadUzair16
USD / hour Embedded Systems, IoT & Edge AI Software ArchitectPakistan60 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"\t\t\t\t"
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 350+ 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 ✅ 350+ 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
25 USD / hourVision Vivante is an India-based technology agency turning business ideas into scalable digital products. We combine strategy, user-focused design, and full-stack engineering to build AI-powered solutions, SaaS platforms, and custom web and mobile applications that solve real challenges and drive business growth. 🚀 Our Core Services 1. SaaS & Custom Software Development Custom SaaS and multi-tenant platforms Subscription billing and membership systems Web applications, marketplaces, and business tools API development and third-party integrations 2. AI-Powered Solutions & Automation AI chatbots and virtual assistants AI voice agents and automated calling workflows OpenAI, Claude, and LLM integrations Document processing, data extraction, and intelligent search AI-powered recommendations and workflow automation 3. Web & Mobile App Development Full-stack web application development iOS and Android applications Cross-platform apps using Flutter and React Native Custom dashboards, portals, and backend systems 4. E-Commerce Development Shopify, WooCommerce, Magento, and PrestaShop Custom e-commerce and multi-vendor marketplaces Auction platforms and payment gateway integrations Inventory, order, and customer management systems 5. Enterprise & Business Solutions ERP, CRM, and warehouse management systems Inventory, stock control, and payroll solutions Logistics, route planning, and delivery management POS systems and live-tracking applications 6. Product Strategy & MVP Development Product discovery and technical consultation UI/UX design, wireframing, and user flows Technical architecture and development roadmaps MVP development and concept-to-launch execution 🛠️ Technology Stack Frontend: React.js, Vue.js, Next.js Backend: Node.js, Laravel, Python Mobile: Flutter, React Native Databases: PostgreSQL, MySQL, MongoDB CMS & E-Commerce: WordPress, Shopify, Magento, PrestaShop Cloud & Infrastructure: AWS, Google Cloud, CI/CD, Serverless AI: OpenAI, Claude, LLM APIs, and AI integrations 🌍 Industries We Serve E-commerce, Fintech, Logistics, Travel, Legal, Education, Real Estate, Healthcare, Fitness, SaaS, Marketplaces, Social Platforms, Pickup & Delivery, and POS. What We Offer: ✅ 100% Client Satisfaction Rate ✅ 248+ Successfully Completed Projects ✅ 70+ In-House Professionals Across Development, Design & Project Management ✅ Clients Across 55+ Countries ✅ End-to-End Product Development — From Strategy and UI/UX to Development & Deployment ✅ AI, SaaS, Web & Mobile App Development Expertise ✅ Dedicated Project Managers for Smooth Communication and Delivery ✅ Quick Response ✅ Client-Focused Approach with an Emphasis on Quality and Long-Term Partnerships ✅ Flexible Engagement Models — Project-Based or Dedicated Teams ✅ Support 5 Days/Week in EST, PST, MST, GMT Send us a message or invite us to your project. Let's discuss your goals and find the right solution. Vision Vivante — Building Smarter Digital Products for What's Next.Hire visionvivante
50 EUR / hourHello! I'm Gregor from Austria, a highly experienced and motivated Software/Firmware/Hardware Engineer with excellent knowledge in software development, hardware design and production, and testing. I have 10 years of experience in product development, writing production-quality, saleable embedded software that is sold in high volumes on the consumer market. - Programming Languages Rust, Swift, Go(Golang), Kotlin/Java, Flutter/Dart, C/C++, Assembly, C#, Python, Solidity, FunC, JavaScript - Firmware/Hardware Development • Embedded systems: Raspberry Pi, IoT, ROS2, Embedded Linux, RTOS • Microcontrollers/Processors: ESP32, nRF52, MSP430, ARM, ARC, 8051, PIC, ATMEGA • Hardware Design: PCB, FPGA, ASIC • Interfacing protocols: I2C, SPI, UART, USB, Ethernet, I2S, CAN • Testing methodologies: Debugging, Unit Testing, Integration Testing • Development environments: ESP-IDF, Arduino IDE, IAR, Keil, MPLAB, Eclipse - Software Development • Web development: RPC, WebSockets, WebRTC, RESTful APIs • Mobile app development: iOS/Android • Blockchain, Web3 applications • Database management: MySQL, PostgreSQL, GraphQL, MongoDB, Redis • Cloud platforms: AWS, GCP, Azure • SDLC tools: Git, BitBucket, CI/CD, DevOps • Containerization/orchestration: Docker, Kubernetes • Real-time messaging systems: RabbitMQ, Kafka - Soft Skills: • Excellent communication skills • Strong problem-solving abilities • Effective technical evaluation capabilities • Passionate about helping you bring your project ideas to life Feel free to share your ideas or projects, and I'll craft a tailored solution that meets your specific needs. Let's work together to turn your vision into reality! If you choose to have your products manufactured with us after development, they will be produced in Austria using green energy, ensuring sustainability and efficiency through our state-of-the-art production line. Best regards from Austria: Gregor MoritzHire GregM007
50 USD / hourLive 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.Hire LiveExperts
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
25 USD / hour🔱 Code Anchors | Full-Stack Engineering & AI Systems to Scale Your Business 🚀 We Engineer Intelligence, Architect Infrastructure & Drive Growth At Code Anchors, we don't just build apps—we build robust ecosystems. We specialize in Full-Stack development, Industrial IoT, and AI-driven automation. From tiny embedded boards in a warehouse to massive cloud-orchestrated clusters, we anchor your vision into scalable, production-ready reality. 💡 Our Solutions 🤖 AI, Machine Learning & Computer Vision • Edge AI: Deploying models to embedded devices (Raspberry Pi, Jetson Nano). • Vision Systems: Real-time object detection and QR/Barcode processing. • LLMs & Analytics: Custom GPTs, LangChain, and predictive stock forecasting. 🌐 Full-Stack & Systems Architecture • Backend: High-performance Django, Node.js, and FastAPI services. • Frontend: Modern, responsive React and Vue.js dashboards. • DevOps: Docker & Kubernetes containerization for seamless cloud deployment. • Database: PostgreSQL, Redis, and offline-first sync (SQLite). 📱 Mobile & Embedded Engineering • Cross-Platform: React Native & Flutter with native module integration. • IoT/Embedded: Python-based clients, MQTT protocols, and OTA firmware updates. • Mobile Features: Push notifications, offline data persistence, and hardware APIs. ⚠️ Problems We Solve • ✅ "Our systems don't talk to each other": We build unified API layers for web, mobile, and hardware. • ✅ "We need to scale fast": We implement CI/CD and containerized architectures (Docker). • ✅ "Manual processes are killing us": We automate inventory and workflows via AI and IoT. 🧩 Why Code Anchors? • 🔍 End-to-End Execution: We handle the "hard stuff"—from PCB-level logic to Cloud DevOps. • 🎯 Industrial Rigor: We build for reliability in spotty connectivity and high-load environments. • 🤝 Transparent Process: Agile sprints, GitHub-first workflows, and zero jargon. 🔗 Drop us a message—let’s anchor your next innovation into a market-ready powerhouse.Hire anaskhanpk95
