Senior Windows & Cross-Platform Application Developer UWP • WPF • MAUI • Xamarin • WinForms • Bluetooth LE • IoT With 25+ years in software development, I build robust, high-performance desktop and mobile applications for the Windows ecosystem and beyond. My expertise spans the entire product lifecycle — from architecture and UI/UX to deployment — backed by hands-on experience with both waterfall and agile (Scrum) methodologies. What I Bring: deep Windows Stack Mastery: 20+ years creating production-grade apps with WPF, UWP, MAUI, Xamarin, classic WinForms and of course console applications. Bluetooth LE Specialist: Expert implementation of BLE services, GATT profiles, and device communication on Windows 10/11. IoT & Embedded: Extensive Arduino/ESP32 programming for telemetry, sensors, and consumer devices. Enterprise-Grade Quality: Delivered solutions for global leaders in telecom and energy, ensuring scalability, security, and maintainability. Technical Highlights: C# • .NET 4.8 → 8 • XAML • MVVM • WinUI 3 • Visual Studio • Git • REST/GraphQL • JSON/XML • SQL/SQLite • Unit & Integration Testing • CI/CD (GitHub Actions/Azure DevOps) • Performance Profiling & Optimization Why Hire Me? • fast, guaranteed results delivered strictly to your project requirements. • rapid, transparent communication and detailed status updates. • clean, well-documented code that your team can extend with confidence. • problem-solving mindset: I don’t just write code — I identify risks early and propose pragmatic solutions!

Embedded Systems: Proficient in Advanced C and C++ with a strong structural foundation. Bluetooth Low Energy (BLE): Extensive experience in BLE technology. Bootloader Software Design: Skilled in designing and implementing bootloader software. Memory Management: Expertise in both external and internal memory management. Embedded Operating Systems: Proficient in freeRTOS, Contiki, and Coco. Sensor Integration: Experience with both digital and analog sensors. Medical Devices: Specialized in creating software solutions for medical devices, ensuring high precision and reliability. Safe Applications: Expertise in developing secure applications for banking, payment solutions, and high-security locks. IoT Devices: Skilled in working with HTTP, FTP, TCP/IP, and ProtoBuffer for IoT applications. Linux and Embedded Linux: Proficient in both Linux and embedded Linux environments. Shell Development: Experienced in creating custom shells for embedded systems. With 5 years of hands-on experience in embedded projects, my work ranges from hardware design with firmware development to mobile development and robotics. I also have a strong background in using Flutter and Firebase for mobile application development. As a freelancer, I offer professional services in software development and mobile application solutions, specializing in embedded systems. I am committed to delivering high-quality solutions tailored to meet the specific needs of each project. Let's work together to bring your innovative ideas to life! Feel free to reach out to discuss your project requirements and how I can assist you in achieving your goals.

🌟🌟𝑾𝒆𝒍𝒄𝒐𝒎𝒆 𝒕𝒐 𝒎𝒚 𝑬𝒎𝒃𝒆𝒅𝒅𝒆𝒅 𝑺𝒚𝒔𝒕𝒆𝒎𝒔 𝑷𝒓𝒐𝒈𝒓𝒂𝒎𝒎𝒊𝒏𝒈 𝑷𝒓𝒐𝒇𝒊𝒍𝒆!🌟🌟 💥 𝑻𝑶𝑷 𝑹𝑨𝑻𝑬𝑫 𝑬𝒎𝒃𝒆𝒅𝒅𝒆𝒅 𝑺𝒚𝒔𝒕𝒆𝒎𝒔 𝑫𝒆𝒗𝒆𝒍𝒐𝒑𝒆𝒓 💥 🔰I am an experienced 𝑬𝒍𝒆𝒄𝒕𝒓𝒊𝒄𝒂𝒍 𝑬𝒏𝒈𝒊𝒏𝒆𝒆𝒓 𝒂𝒏𝒅 𝑬𝒎𝒃𝒆𝒅𝒅𝒆𝒅 𝑭𝒊𝒓𝒎𝒘𝒂𝒓𝒆 𝑺𝒐𝒇𝒕𝒘𝒂𝒓𝒆 𝑫𝒆𝒗𝒆𝒍𝒐𝒑𝒆𝒓 𝒘𝒊𝒕𝒉 𝒐𝒗𝒆𝒓 10 𝒚𝒆𝒂𝒓𝒔 𝒐𝒇 𝒆𝒙𝒑𝒆𝒓𝒊𝒆𝒏𝒄𝒆 𝒊𝒏 𝑪𝒊𝒓𝒄𝒖𝒊𝒕 𝑫𝒆𝒔𝒊𝒈𝒏, 𝑴𝑨𝑻𝑳𝑨𝑩, 𝑴𝒊𝒄𝒓𝒐-𝒄𝒐𝒏𝒕𝒓𝒐𝒍𝒍𝒆𝒓𝒔, 𝑷𝑪𝑩 𝒅𝒆𝒔𝒊𝒈𝒏𝒊𝒏𝒈, 𝑰𝒐𝑻, 𝒓𝒐𝒃𝒐𝒕𝒊𝒄𝒔, 𝑬𝒎𝒃𝒆𝒅𝒅𝒆𝒅 𝑳𝒊𝒏𝒖𝒙, 𝒓𝒆𝒂𝒍-𝒕𝒊𝒎𝒆 𝑶𝑺 (𝑹𝑻𝑶𝑺), 𝑪𝒐𝒎𝒎𝒖𝒏𝒊𝒄𝒂𝒕𝒊𝒐𝒏 𝒔𝒕𝒂𝒄𝒌𝒔, 𝑺𝑪𝑨𝑫𝑨, 𝒂𝒖𝒕𝒐𝒎𝒂𝒕𝒊𝒐𝒏 𝒔𝒚𝒔𝒕𝒆𝒎𝒔, 𝒅𝒊𝒈𝒊𝒕𝒂𝒍 𝒔𝒊𝒈𝒏𝒂𝒍 𝒑𝒓𝒐𝒄𝒆𝒔𝒔𝒊𝒏𝒈, 𝒂𝒏𝒅 𝒎𝒖𝒍𝒕𝒊𝒑𝒍𝒆 𝒑𝒓𝒐𝒈𝒓𝒂𝒎𝒎𝒊𝒏𝒈 𝒍𝒂𝒏𝒈𝒖𝒂𝒈𝒆𝒔. My expertise extends to developing industrial solutions on various microcontrollers, working through complete product development life cycles, and leading engineering teams. 🌟𝐊𝐞𝐲 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬 𝐈 𝐎𝐟𝐟𝐞𝐫: ✔𝑴𝒊𝒄𝒓𝒐𝒄𝒐𝒏𝒕𝒓𝒐𝒍𝒍𝒆𝒓𝒔 & 𝑫𝒆𝒗𝒆𝒍𝒐𝒑𝒎𝒆𝒏𝒕 𝑷𝒍𝒂𝒕𝒇𝒐𝒓𝒎𝒔: Lattepanda, RaspberryPi, STM32 Series, ESP32, NodeMCU, ESP8266, Arduino, Cypress PSoC, EnergyMicro EFM32, Atmel 8051 and AVR32, Microchip ATSAMD21, ATSAME54, ATSAME51, Silabs EFR32 Gecko, TI TMS320, MSP430, CC2564, CC2540b, Nordic nRF52, nRF9160, NXP i.MX 6, i.MX 8, BeagleBone, Particle Photon, Particle Monitor One, Infineon Aurix TC49x. ✔𝑷𝒓𝒐𝒈𝒓𝒂𝒎𝒎𝒊𝒏𝒈 𝑳𝒂𝒏𝒈𝒖𝒂𝒈𝒆𝒔: C, C++, C#, Python, Assembly, Linux Shell Scripting, MATLAB, Rust, JavaScript, ✔𝑶𝒑𝒆𝒓𝒂𝒕𝒊𝒏𝒈 𝑺𝒚𝒔𝒕𝒆𝒎𝒔 & 𝑹𝑻𝑶𝑺: Nucleus, FreeRTOS, MbedOs, ZephyrOS, QNX, TI-RTOS, Embedded Linux, Raspbian, Debian ✔𝑪𝒐𝒏𝒏𝒆𝒄𝒕𝒊𝒗𝒊𝒕𝒚: WiFi, BLE, LTE CAT1/CAT M1, NB-IoT, 2G/3G/5G, RF, Lora ✔𝑷𝑪𝑩 𝑫𝒆𝒔𝒊𝒈𝒏: Altium Designer, Easy EDA, KiCAD, Proteus, Eagle ✔𝑪𝒐𝒎𝒎𝒖𝒏𝒊𝒄𝒂𝒕𝒊𝒐𝒏 𝑷𝒓𝒐𝒕𝒐𝒄𝒐𝒍𝒔: SPI, I2C, UART, RS485, USB, CAN, PCIe, ModBus ✔𝑪𝒍𝒐𝒖𝒅 𝑷𝒍𝒂𝒕𝒇𝒐𝒓𝒎𝒔: AWS, Google Cloud, Azure ✔𝑵𝒆𝒕𝒘𝒐𝒓𝒌 𝑷𝒓𝒐𝒕𝒐𝒄𝒐𝒍𝒔: LWIP, TCP/IP, DNS, NAT, ARP, MQTT/HTTP, COAP ✔𝑫𝒆𝒃𝒖𝒈𝒈𝒊𝒏𝒈 𝑻𝒐𝒐𝒍𝒔: Code-Worrier, j-link, D-Stream, St-link, Wireshark, Protocol Analyzers ✔𝑷𝒓𝒐𝒋𝒆𝒄𝒕 𝑴𝒂𝒏𝒂𝒈𝒆𝒎𝒆𝒏𝒕: Agile development, Scrum meetings, Epic design, Sprint planning ✔𝑷𝒐𝒘𝒆𝒓 𝑴𝒂𝒏𝒂𝒈𝒆𝒎𝒆𝒏𝒕: Deep Sleep modes, Dynamic Voltage and Frequency Switching, Battery charging systems 🛠️𝑵𝒐𝒕𝒂𝒃𝒍𝒆 𝑷𝒓𝒐𝒋𝒆𝒄𝒕𝒔: 🔹 Multipurpose CNC Machine: Rapid PCB development, engraving, and laser cutting 🔹 3D Printing Machine 🔹 Vehicle Tracking and Alerting System 🔹 Hazardous Gas Detection Safety-Critical Systems 🔹 Automatic Plant Watering and Gardening Systems 🔹 Smart Industrial Manufacturing Logging Device: Live monitoring and database integration 🔹 Safety Doors Automation: Live monitoring and failure alert system 🔹 Photovoltaic Panels Efficiency Measurement 🔹 Social Distancing Wristband: SOS and vibrating alerts 🔹 3-Phase Smart Power Inverters and Battery Chargers 🔹 Digital Signage for Commercial Advertisements: Using Raspberry Pi 🔹 Nissan Leaf’s EV Custom Battery Controller and Charger 🔹 Vehicle CAN BUS Communication 🔹 Medical Device Wearable: Low power BLE, data uplink via IoT gateway 🔹 AI and ML Based Object Detection and Classification ✅𝑷𝒓𝒐𝒇𝒆𝒔𝒔𝒊𝒐𝒏𝒂𝒍 𝑬𝒙𝒑𝒆𝒓𝒊𝒆𝒏𝒄𝒆: - Worked with industry leaders like Powersoft19, u-blox. - Led multiple teams through complete product development life cycles. - Designed and supervised numerous projects related to programming, power, electronics, circuit design, and simulation. ✅𝑾𝒉𝒚 𝑪𝒉𝒐𝒐𝒔𝒆 𝑴𝒆? 🏆 Strong expertise in developing embedded systems and IoT solutions. 🏆 Experience in low power IoT device development and power management. 🏆 Proficient in various communication protocols and cloud platforms. 🏆 Enthusiastic about technology and delivering out-of-the-box, economical solutions. 🏆 100% client recommendation and a proven track record of success in the embedded systems domain. 𝑭𝒐𝒓 𝒕𝒂𝒊𝒍𝒐𝒓𝒆𝒅 𝒔𝒐𝒍𝒖𝒕𝒊𝒐𝒏𝒔 𝒕𝒐 𝒚𝒐𝒖𝒓 𝒔𝒑𝒆𝒄𝒊𝒇𝒊𝒄 𝒏𝒆𝒆𝒅𝒔, 𝒇𝒆𝒆𝒍 𝒇𝒓𝒆𝒆 𝒕𝒐 𝒄𝒐𝒏𝒕𝒂𝒄𝒕 𝒎𝒆. 𝑳𝒆𝒕'𝒔 𝒃𝒓𝒊𝒏𝒈 𝒚𝒐𝒖𝒓 𝒑𝒓𝒐𝒋𝒆𝒄𝒕 𝒕𝒐 𝒍𝒊𝒇𝒆 𝒘𝒊𝒕𝒉 𝒄𝒖𝒕𝒕𝒊𝒏𝒈-𝒆𝒅𝒈𝒆 𝒆𝒎𝒃𝒆𝒅𝒅𝒆𝒅 𝒔𝒚𝒔𝒕𝒆𝒎𝒔 𝒆𝒙𝒑𝒆𝒓𝒕𝒊𝒔𝒆!

I am a Master Graduate in Digital Forensics with 20 years experience as Software Senior Developer delivering production-ready quality. Even though I have Electrical Engineering background and embedded system, nowadays this boundary is gone. 15 years experience in global company enrich my experience as embedded system, full-stack and software engineering process (CMMI). C/C++ and C# is my major programming language. With emergence of AI I use Python and Open Vision, I took certification as Tensor flow Machine Learning and hardening CNN model and embrace computer vision device such as RPi 4 and Jetson Nano in several Computer Vision project. As Full stack engineer, I embraced Kotlin and .NET MAUI for my mobile framework. Being profesional in software development not stopping me from advancing to more specific field , i,e : Cyber Security and Digital Forensics. I have a Master degree in Cyber Security and Digital Forensics. I have experience of Vulnerability Assessment and Pen testing (VAPT) for government web application and digital forensics especially with Apple Devices. My specialty is in cryptography implementation in coding, and blockchain auditing. Previous project For Digital Forensics, I have experience for Computer forensics, Mobile forensics, and cloud forensics. For mobile forensics, I have experience for breach analysis and preservation of 5 apple device from a single client. I have experience for Ransomware forensics too. Experience with Upwork's client : 1. Breached Apple devices forensics investigation 2. IoC analysis and DFIR investigation 3. .NET MAUI 10 4. .NET WPF development for Image processing. 4 apps LIVE in Apps store 5. Android native development 6. IoT , Arduino, Raspberry Software development

I lead a multidisciplinary team of engineers - electronics, mechanical, firmware, PCB, CFD/FEA, and production - providing end-to-end new product development for physical products. For 8+ years, we’ve helped startups and established companies turn ideas into working, manufacturable products. We handle everything in-house - custom electronics design, PCB layout, firmware, mechanical design, simulations, and prototyping - moving projects from concept (TRL-3) to production-ready (TRL-8). Our expertise covers: - PCB design (HDI, RF, high-speed, flex-rigid) - Embedded & Linux firmware development - Power and battery management systems - Wireless connectivity: BLE, LoRa, NB-IoT, Wi-Fi, GPS, Zigbee - Mechanical design, CFD/FEA simulations, and DFMA - Rapid prototyping and production support Whether you need a single PCB or a complete device - we deliver fully functional prototypes, ready for mass production. Let’s discuss your project - I’ll help plan the best technical and production roadmap to bring your hardware idea to life.

Hello! I am a certified and experienced Arduino, ESP, and PCB Design Expert with a proven track record of successfully completing numerous projects in these domains. If you are looking for a dedicated and talented specialist to bring your ideas to life, I am here to help. As an Arduino, ESP, and PCB Design Expert, I possess comprehensive knowledge of the Arduino platform, ESP, Microcontrollers, and various PCB design software. I have a strong understanding of embedded systems and electronic circuit design principles. My expertise extends to creating custom circuit boards, prototyping, programming, and troubleshooting. Here's what you can expect when working with me: ✅Perfect & top-notch quality delivery. ✅communication and collaborative teamwork. ✅Accurate component choices for your project (PCB/ESP or Arduino project). ✅Technical Troubleshooting. ✅Giving value to your input and ideas and will work closely with you throughout the project. If you are seeking a Professional Arduino, ESP, and PCB Design Expert who is dedicated to delivering high-quality results, I would be delighted to discuss your project further. Let's collaborate to transform your ideas into reality!

Bluetrace Technologies helps businesses build reliable and scalable digital solutions. We specialize in: • BLE applications • WiFi-enabled IoT solutions • Mobile App Development • Web Applications • AI-powered automation systems We don’t just build projects - we build long-term trust with our clients through quality work, clear communication, and reliable delivery. Our focus is creating production-ready solutions that are scalable, secure, and user-friendly.

Thank you for taking the time to view my profile! I am an electrical engineer with experience in PCB hardware design, embedded systems programming, and software application development. I specialize in full-stack electronics design for IoT systems, covering cloud integration, BLE, and RF wireless communication. My background includes digital signal processing (DSP), electromagnetic simulation, and machine learning for data classification, image recognition, and audio processing. I’ve also built strong skills in application development, database integration, and 3D modeling for enclosure design. I founded Future Technologies Laboratory LLC in 2015 with the goal of providing complete electronics and software engineering solutions. Today, I lead a talented team of engineers to fulfill the requirements of complex projects and ensure they move efficiently from concept to production. Services: •Circuit Design & PCB Layout – KiCad, EasyEDA, DipTrace, Altium Designer (limited license) •Embedded Systems Programming – ESP32, STM32, Microchip, nRF52, Arduino, Xilinx, SHARC •AWS Cloud Services – S3, IoT Core, IAM, Amplify, DynamoDB, etc. •Simulation, DSP & Machine Learning – Python, MATLAB, LabVIEW •Application & Web Development – React Native, React, Flutter, .NET •3D Modeling & Enclosure Design – Autodesk Fusion 360, including IP-rated housings •Project Management & Technical Documentation – concept development, planning, and technical writing

✅ TOP RATED Embedded Systems Developer ✅ Specialized in developing firmware for BLE (Bluetooth Low Energy) devices, particularly those based on Nordic nRF5x SoC. My skills extend across various platforms including Nordic nRF51, nRF52, nRF53, nRF54, nRF9160, STM32Fxxx, STM32Lxxx, STM32Hxxx, STM8 series, Espressif ESP32, ESP8266, and many others. 🚀 Product Design Consulting 🚀 Bringing your ideas to life through practical and innovative solutions. I specialize in guiding projects from concept to market, providing expertise in technical design, selecting hardware components, firmware architecture, prototyping, production optimization and project management. 🛠️ Comprehensive Peripheral Knowledge 🛠️ I have hands-on experience with a wide range of peripherals such as sensors (IMU, infrared, capacitive, proximity, temperature, humidity, color, light, etc.), touchscreen displays, cameras, smartcards, EEPROM and RAM memory ICs, SD cards, 3G/4G modems, GPS receivers, RF transceivers handling wireless protocols including WiFi, UWB, LoRa, Zigbee, etc. 💎 Bluetooth Low Energy Wizard 💎 Deep knowledge of the Nordic nRF5x SoC, along with BLE protocol in general, allows me to efficiently design and develop fully functioning firmware ensuring highest performance with minimized power consumption. Whether it’s a simple gadget or more complex IoT system, when it comes to BLE, I’m THE guy. Furthermore, I wrote my master’s thesis on BLE mesh protocol, also utilizing nRF52. 📩 Let’s Bring Your Ideas to Life 📩 Reach out to me with details about your project, and let’s collaborate on transforming your vision into reality. I’m enthusiastic about embracing new challenges and am committed to exceeding your expectations.

I design and deliver end-to-end smart systems combining embedded hardware, software, and automation. My work spans embedded platforms, IoT solutions, and system-level architecture, with a focus on reliable execution in real-world deployments. I work closely with clients to translate requirements into working, scalable solutions. I am a Robotics, Embedded Systems, and FPGA Engineer with over 15 years of experience delivering innovative, high-performance solutions in IoT, automation, and digital electronics. With 124+ successfully completed projects on Upwork and 1,400+ billed hours, I help clients take their ideas from concept to market quickly and reliably. 🔷 Typical Work End-to-end IoT system architecture Embedded and edge-device solutions Automation and smart infrastructure System integration and technical guidance 🔷 Skills IoT Embedded Systems System Architecture Automation Raspberry Pi Hardware–Software Integration