Welcome! I’m a product and industrial designer with 9+ years of experience, specialized in developing consumer products from initial concepts to mass production. ⭐️ Top-Rated Mechanical Engineer ⭐️ 5 stars Upwork history I'm a Mechanical Engineer and a certified Design Engineer with 9+ years of experience in Designing, Manufacturing, Printing, Prototyping, and Fabrication on different platforms. I help clients and industries in all Engineering Fields, like Engineering Problems, 3D modeling, 3D Printing, BOMs, DFMAs, Prototyping, and analysis of different engineering models using Engineering software like SOLIDWORKS, FUSION360, CREO, PROE, CATIA, AUTOCAD, SEIMENS NX, ABAQUS, Hyperworks, HOMER PRO, PCM600, and ANSYS, etc. With my extensive knowledge and hands-on experience, I deliver professional engineering solutions that help achieve efficient, accurate, and high-quality results. As a Mechanical Engineer and product designer, I focus on creativity, problem-solving, and understanding client requirements to add value to every project. My skills and expertise: Mechanical design, Mechanical Engineering, Injection Mold Designs, 3D Design, 3D Printing, Prototyping, 3D CAD modeling, 3d CAD Drawings, Prototyping, BOM Files, DFMA, 3D parts, Rendering, Manufacturing, FEA, CFD, CAD/CAM, 3d prints, Mold design, converting files, Machinery, Mechanical assembly, Gears, Product Designs, Design Patents, Report writing, Lab reports and Thesis writing. I'm looking forward to our first collaboration. Thanks You

A reliable electronics engineer and PCB and Circuit designer with 15+ years of experience (trusted by clients worldwide) in PCB design, schematic capture, hardware development, and manufacturing support. I deliver production-ready designs that reduce risk, shorten development cycles, and work right the first time. My PCB designs are not only functional but manufacture able, testable, and scalable. With my 100% Job Success Score, I help clients turn ideas into robust, production-ready electronic products. My specialization is in circuit design, schematic capture, multilayer PCB layout, embedded systems, power electronics, RF and microwave circuits and analog circuits. I can do design reviews, hardware development, hardware debugging, reverse engineering, design optimization, troubleshooting and ensure your project is delivered with precision and attention to detail. ⭐ Core Expertise ⭐ ✅ Multilayer PCB designing ✅ PCB design with high speed interfaces, such as LVDS, HS-CAN, CAN FD, RS-422, RS-485, USB 3.0, FPGA high speed SerDes, PCIe, LVPECL, LPDDR4 clock, HDMI ✅ High power PCB design up to 4 layers, 3.2 KW, 320V output at 10A load current ✅ Design for Manufacturing (DFM) & Design for Assembly (DFA) using JLC PCB and PCB way services ✅ EMC / EMI aware PCB design practice using industry standards such as IPC-2221, IEC61188, DO-254 ✅ JLC PCB and LCSC parts selection, finding in-stock components, creating BOM with updated and available parts, finding alternate parts with similar technical specifications ✅ Generating Gerber files, NC Drill files, CPL files, BOM files for production, prototyping & mass manufacturing ✅ Schematic and PCB design review ✅ Circuit Designing, analog, digital, RF, microwave, embedded, high power circuit designing ✅ Circuit Simulation & Analysis ✅ Microcontroller Programming in C language ✅ Reverse engineering from given Gerber files, PCB images, BOM ✅ Problem solving, hardware development, troubleshooting, hardware debugging, design optimization for power, thermal, mechanicals constraints ⭐ PCB Design Software ⭐ ✅ Altium Designer v24 ✅ KICAD v9 ✅ DIP TRACE ✅ EasyEDA ⭐ Circuit Simulation Software ⭐ ✅ LTspice ✅ Proteus ✅ Multisim ✅ Keysight ADS ✅ Ansys HFSS ⭐ Programming ⭐ ✅ MPLAB X IDE ✅ C Language ✅ MATLAB SIMULINK ⭐ 3D Mechanical Design ⭐ ✅ SolidWorks ✅ PTC Creo ✅ Flow Therm ⭐ Power & analog circuit Projects ⭐ Power electronics, op-amp circuits, ADC/DAC interfaces, signal conditioning, piezo electric transducer driver, flyback converter, buck boost converter, laser diode driver, LED light driver, constant current and PWM control of LED lights, Switch Mode Power Supply (SMPS) design, linear power supply design, switching transformer magnetics design, AC load control using TRIAC, DC load control using SCR, H-Bridge driver for BLDC motor control using high power MOSFETS, gate driver circuit, multivibrator circuit using 555 timer, counter circuits, relay control, IGBT circuit for DC to AC inverter, bridge rectifier circuit for AC to DC converter ⭐ Industrial Projects ⭐ Temperature, humidity, weight, pressure sensors circuit design for instrumentation electronics, data logging, real time telemetry monitoring, signal conditioning circuit, feedback control circuits, robotics and actuator control, solenoid valve for flow control, PLC, DCS, SCADA for industrial automation, ⭐ RF Projects ⭐ X-Band and S-Band microwave RF power amplifier using GaN and GaAs devices, preamplifier, Directional coupler, band pass filter, Wilkinson divider, diplexer, microstrip transmission lines impedance matching, Low Noise Amplifier (LNA), mixer, microstrip patch antenna, electronic beam steering T/R modules, I/Q modulator, phased array circuits ⭐ Audio Projects ⭐ Audio Electronics: Amplifiers, filters, DSP-based audio processing, low-noise analog design, analog crossover network, equalizer, stereo and mono dual channel amplifier, phono preamplifier, hydrophone amplifier, MEMS based microphone array design, electret microphone amplifier, CODEC, RCA to XLR converter, phantom power supply, audio power amplifier for 8 and 4 ohm loud speakers, ⭐ Digital Electronics Projects ⭐ Digital logic circuits using discrete ICs, sequential circuit, NAND Flash memory circuit, mixed signal circuit using RF transceiver blocks with SMA connectors, FMC HPC connectors, high speed signaling with FPGA Actel, Xilinx, DSP controller from microchip, microcontrollers from Silabs, PIC, ATMEL C8051, ATMEGA, TMS320F28335, ESP32-C5, ESP32-S3, STM32, RPI, ARDUINO ⭐ Why Clients Choose Me ⭐ ✅ End-to-End Capability — from concept → schematic → PCB → firmware → prototype. ✅ High-Speed PCB Specialist —Impedance controlled routing and EMC/EMI aware designs ✅ Strong Communication — clear documentation, regular updates, and fast responses. ✅ Proven Track Record — 15+ years of hands-on design experience. ✅ Client Satisfaction — long-term Upwork client relationships, repeat contracts, and 5⭐⭐⭐⭐⭐ feedback

Senior Energy Engineer | PE | MSCE | CEM | 20 Years in Energy Modeling, ESPC, Renewables, and Advanced Building Simulations I’m a licensed Professional Engineer and Certified Energy Manager with 20+ years of experience delivering high-value energy engineering solutions for commercial, industrial, and federal clients. My background spans federal ESPC projects, building energy modeling, HVAC system design, renewable integration, financial analysis, and performance optimization for some of the most complex facilities in the world. I specialize in translating technical data into clear, actionable designs, models, and decision tools. My work supports architects, developers, energy service companies, and engineering firms who need reliable calculations, fast turnaround times, and senior-level judgment. What I Can Help You With - Building energy modeling (EnergyPlus/DesignBuilder preferred, but experienced with all major tools: eQUEST, Trace, EnergyPro, DOE-2, Visual DOE) - Overheating analysis, heat loss/heat gain, and HVAC sizing - ESPC/Utility energy project development and savings analysis - Renewable and distributed energy modeling (solar PV, wind, fuel cells, CHP, BESS, microgrids) - Load calculations, fluid flow, and heat transfer simulations - Financial modeling, ROI, LCOE analysis, and cost/savings development - Retro-commissioning, facility audits, and code compliance support - MATLAB and algorithm development for decision tools or control logic - Technical writing, submittals, scopes, M&V plans, and engineering documentation Project Experience Includes I have contributed to or led modeling and analysis efforts for buildings of all scales and levels of complexity, including: - Federal campuses and military installations - Enterprise and hyperscale datacenters - Large commercial and office facilities - Industrial and mission-critical sites - Renewable-integrated and multi-source energy systems Professional Background Before transitioning to consulting, I spent more than a decade leading federal energy projects at Johnson Controls Federal Systems, delivering multimillion-dollar ESPC projects, coordinating multi-disciplinary teams, and serving as technical lead on complex mechanical and energy systems. I later founded DTEC Energy Consulting, where I support clients with modeling, design reviews, HVAC engineering, emissions compliance, and renewable project development. Certifications & Credentials - Professional Engineer (Delaware) - Certified Energy Manager (CEM) - MS Civil Engineering, BS Architectural Engineering, BS Civil Engineering - MBA candidate (Pennsylvania State University) - Member: ASHRAE, AEE Why Clients Hire Me - Senior-level accuracy with fast turnaround - Clear, professional communication - Ability to work from sketches, PDFs, BIM, or fully developed design sets - Comfortable with both straightforward and highly complex buildings - Proven track record with federal and commercial clients

I help PhD students, research labs, and industry teams take wireless-networking + AI research from idea to a submission-ready paper in 𝗜𝗘𝗘𝗘, 𝗘𝗹𝘀𝗲𝘃𝗶𝗲𝗿, and 𝗠𝗗𝗣𝗜 venues. My specialty is building simulations that are actually reproducible, publishable, and defensible in peer review. If you're working on 𝟲𝗚 𝗡𝗼𝗻-𝗧𝗲𝗿𝗿𝗲𝘀𝘁𝗿𝗶𝗮𝗹 𝗡𝗲𝘁𝘄𝗼𝗿𝗸𝘀, 𝗢-𝗥𝗔𝗡, 𝗩𝟮𝗫/𝗩𝗔𝗡𝗘𝗧, 𝗜𝗼𝗧/𝗜𝗼𝗠𝗧 𝘀𝗲𝗰𝘂𝗿𝗶𝘁𝘆, 𝗼𝗿 𝗗𝗥𝗟/𝗠𝗔𝗥𝗟 𝗳𝗼𝗿 𝗰𝗼𝗺𝗺𝘂𝗻𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀, I can build it, debug it, write it up, and ship it. 𝗔𝗰𝘁𝗶𝘃𝗲 𝗰𝗼𝗹𝗹𝗮𝗯𝗼𝗿𝗮𝘁𝗶𝗼𝗻𝘀: Northeastern University (Prof. Josep Jornet), University of Luxembourg SIGCOM (Prof. Symeon Chatzinotas, Dr. Eva Lagunas). 🔹 𝗥𝗘𝗖𝗘𝗡𝗧 𝗪𝗢𝗥𝗞 (𝟮𝟬𝟮𝟱 – 𝟮𝟬𝟮𝟲) 𝗢𝗽𝗲𝗻-𝘀𝗼𝘂𝗿𝗰𝗲 𝘀𝗶𝗺𝘂𝗹𝗮𝘁𝗶𝗼𝗻 𝘁𝗼𝗼𝗹𝗸𝗶𝘁𝘀 (GitHub: Muhammaduazir69) ▸ 𝗡𝗦𝟯-𝗡𝗧𝗡-𝗧𝗼𝗼𝗹𝗸𝗶𝘁 — end-to-end 6G Non-Terrestrial Network stack for NS-3 ▸ 𝗡𝗧𝗡-𝗖𝗛𝗢-𝗙𝗿𝗮𝗺𝗲𝘄𝗼𝗿𝗸 — 3GPP Rel-17/18 Conditional Handover with TTE-aware mechanisms ▸ 𝗢-𝗥𝗔𝗡 𝗡𝗧𝗡 𝗺𝗼𝗱𝘂𝗹𝗲 — O-RAN architecture extended to satellite/aerial segments 𝗔𝗰𝘁𝗶𝘃𝗲 𝗷𝗼𝘂𝗿𝗻𝗮𝗹 𝗽𝗮𝗽𝗲𝗿𝘀 ▸ Teleoperation survey for semi-autonomous vehicles → IEEE Communications Surveys & Tutorials (3-layer framework: Communication / Control / Autonomy-Human Integration) ▸ 𝗛-𝗠𝗔𝗗𝗥𝗟 𝗳𝗼𝗿 𝗢-𝗥𝗔𝗡 𝟯𝗗 𝘃𝗲𝗵𝗶𝗰𝘂𝗹𝗮𝗿 𝗻𝗲𝘁𝘄𝗼𝗿𝗸𝘀 — hierarchical MAPPO / MASAC / Q-learning with AA-DCRA algorithm; OMNeT++ 6.0.3 + Simu5G + Veins/SUMO + PyTorch/LibTorch → MDPI Sensors ▸ 𝗣𝗜-𝗗𝗥𝗟 𝗳𝗼𝗿 𝟱𝗚 𝗻𝗲𝘁𝘄𝗼𝗿𝗸-𝘀𝗹𝗶𝗰𝗲 𝗼𝗿𝗰𝗵𝗲𝘀𝘁𝗿𝗮𝘁𝗶𝗼𝗻 for AGV teleoperation → Elsevier Vehicular Communications ▸ 𝗗𝗣-𝗜𝗗𝗦-𝗩𝗡𝗗𝗡 — dual-plane IDS for Vehicular NDN → IEEE TVT / TNSM ▸ 𝗚𝗔𝗧-𝗠𝗔𝗣𝗣𝗢 for Industrial IoT-Edge dynamic scheduling → Computers & Industrial Engineering 𝗟𝗶𝘃𝗲 𝘀𝗶𝗱𝗲 𝗽𝗿𝗼𝗷𝗲𝗰𝘁𝘀 ▸ aeroscope.live — public ADS-B flight tracker (React / Vite) 🔹 𝗦𝗜𝗠𝗨𝗟𝗔𝗧𝗜𝗢𝗡 & 𝗗𝗘𝗩𝗘𝗟𝗢𝗣𝗠𝗘𝗡𝗧 𝗦𝗧𝗔𝗖𝗞 𝗡𝗲𝘁𝘄𝗼𝗿𝗸 𝘀𝗶𝗺𝘂𝗹𝗮𝘁𝗼𝗿𝘀 ▸ NS-3 + 5G-LENA (NR), NS3-AI, NS3-gym, NS3-ORAN, NetSimulyzer ▸ OMNeT++ 6.0.3 + INET, Simu5G, Veins, SUMO, FLoRa, libPTP ▸ Mininet / Mininet-WiFi with RYU OpenFlow controller ▸ Contiki-NG / Cooja for IoT/IoMT (RPL OF0 & MRHOF, CoAP, OSCORE, EDHOC, MQTT) 𝗔𝗜 / 𝗠𝗟 ▸ PyTorch, LibTorch, TensorFlow ▸ MARL: MAPPO, MASAC, QMIX, VDN ▸ Single-agent DRL: DQN, DDQN, PPO, DDPG, TD3 ▸ Libraries: EPyMARL, PantheonRL, custom MARL forks 𝗥𝗼𝗯𝗼𝘁𝗶𝗰𝘀, 𝗨𝗔𝗩 & 𝘀𝗲𝗻𝘀𝗶𝗻𝗴 ▸ NVIDIA Isaac Sim, Omniverse, Gazebo, ROS2, MoveIt ▸ Jetson Nano, DeepStream ▸ PX4, ArduPilot, MAVLink, QGroundControl (flight-control + mission-planning modifications) ▸ mmWave radar, SDR, LiDAR/UART integration 𝗔𝗹𝘀𝗼: CMake, Docker, C++, Python, MATLAB 🔹 𝗦𝗘𝗥𝗩𝗜𝗖𝗘𝗦 1. 𝗘𝗻𝗱-𝘁𝗼-𝗲𝗻𝗱 𝘄𝗶𝗿𝗲𝗹𝗲𝘀𝘀 𝘀𝗶𝗺𝘂𝗹𝗮𝘁𝗶𝗼𝗻𝘀 — scenario design → results → publication plots 2. 𝗗𝗥𝗟 / 𝗠𝗔𝗥𝗟 𝗶𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻 into NS-3 or OMNeT++ using NS3-AI, NS3-gym, or custom Python ↔ C++ bridges 3. 𝗣𝗮𝗽𝗲𝗿 𝗿𝗲𝗽𝗿𝗼𝗱𝘂𝗰𝘁𝗶𝗼𝗻 & 𝗲𝘅𝘁𝗲𝗻𝘀𝗶𝗼𝗻 — rebuild a baseline and extend it for your contribution 4. 𝗖𝘂𝘀𝘁𝗼𝗺 𝗽𝗿𝗼𝘁𝗼𝗰𝗼𝗹 𝗱𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 — MAC, routing, handover, slicing, security 5. 𝗥𝗲𝘀𝗲𝗮𝗿𝗰𝗵 𝘄𝗿𝗶𝘁𝗶𝗻𝗴 𝘀𝘂𝗽𝗽𝗼𝗿𝘁 — methodology, results, and discussion sections for Q1 targets 6. 𝗣𝗵𝗗 𝘁𝗵𝗲𝘀𝗶𝘀 / 𝘀𝗶𝗺𝘂𝗹𝗮𝘁𝗶𝗼𝗻 𝗺𝗲𝗻𝘁𝗼𝗿𝗶𝗻𝗴 — debugging, validation, defense prep 🔹 𝗥𝗘𝗦𝗘𝗔𝗥𝗖𝗛 𝗔𝗥𝗘𝗔𝗦 𝗜 𝗣𝗨𝗕𝗟𝗜𝗦𝗛 𝗜𝗡 ▸ 𝟲𝗚 & 𝗯𝗲𝘆𝗼𝗻𝗱: NTN (LEO / HAPS), O-RAN, mmWave / THz, MIMO, beamforming, network slicing, TDD/FDD ▸ 𝗩𝟮𝗫 / 𝗮𝘂𝘁𝗼𝗻𝗼𝗺𝗼𝘂𝘀 𝘃𝗲𝗵𝗶𝗰𝗹𝗲𝘀: Simu5G VANETs, 5G-LENA NR V2V with obstacle detection, VNDN security, AGV teleoperation, digital twins ▸ 𝗜𝗼𝗧 / 𝗜𝗼𝗠𝗧 𝘀𝗲𝗰𝘂𝗿𝗶𝘁𝘆: lightweight crypto in Contiki-NG, HL7-compliant multi-level encryption, sinkhole / DoS / DDoS / ARP spoofing / SYN flood detection with hybrid IDS ▸ 𝗗𝗿𝗼𝗻𝗲𝘀 & 𝗮𝗲𝗿𝗼𝘀𝗽𝗮𝗰𝗲: PX4 / ArduPilot, MAVLink, Gazebo UAV scenarios, network-sliced UAV resource allocation ▸ 𝗔𝗜 𝗳𝗼𝗿 𝗻𝗲𝘁𝘄𝗼𝗿𝗸𝗶𝗻𝗴: federated learning (Flower + NS-3), digital-twin-enabled MADRL, GAT-based MARL for Industrial IoT 🔹 𝗖𝗥𝗘𝗗𝗘𝗡𝗧𝗜𝗔𝗟𝗦 ▸ 𝗢𝗥𝗖𝗜𝗗: 0009-0002-4104-2680 ▸ 𝗚𝗶𝘁𝗛𝘂𝗯: Muhammaduazir69 ▸ 𝗣𝘂𝗯𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀: IEEE Access, MDPI Sensors, Elsevier Vehicular Communications ▸ 𝗚𝗹𝗼𝗯𝗮𝗹 𝗰𝗼𝗹𝗹𝗮𝗯𝗼𝗿𝗮𝘁𝗼𝗿𝘀: Northeastern University, University of Luxembourg (SIGCOM), and PhD students across 15+ countries 🔹 𝗟𝗘𝗧'𝗦 𝗧𝗔𝗟𝗞 Send me your paper draft, topic idea, or GitHub repo — I'll reply with a concrete plan: what's feasible, what the right baseline is, and a realistic timeline to a submittable result. — Muhammad Uzair

🎯 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲𝗱 𝗶𝗻 𝗵𝗮𝗿𝗱𝘄𝗮𝗿𝗲-𝘀𝗼𝗳𝘁𝘄𝗮𝗿𝗲 𝗶𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗲𝗱 𝗽𝗿𝗼𝗱𝘂𝗰𝘁𝘀 — 𝗳𝗿𝗼𝗺 𝗶𝗱𝗲𝗮 𝘁𝗼 𝗽𝗿𝗼𝘁𝗼𝘁𝘆𝗽𝗲 𝘁𝗼 𝗽𝗿𝗼𝗱𝘂𝗰𝘁𝗶𝗼𝗻 🇪🇺 & 🇺🇸 𝗦𝘁𝗮𝗿𝘁𝘂𝗽 𝘀𝗽𝗲𝗰𝗶𝗮𝗹𝗶𝘀𝘁 – 𝗵𝗮𝘃𝗲 𝗱𝗲𝘀𝗶𝗴𝗻𝗲𝗱 𝗮𝗻𝗱 𝘀𝗵𝗶𝗽𝗽𝗲𝗱 𝗽𝗿𝗼𝗱𝘂𝗰𝘁𝘀 𝘂𝘀𝗲𝗱 𝗮𝗰𝗿𝗼𝘀𝘀 𝗘𝘂𝗿𝗼𝗽𝗲 𝗮𝗻𝗱 𝗨𝗦𝗔 ⚙️ 𝗖𝗼𝗺𝗽𝗹𝗲𝘁𝗲 𝗘𝗺𝗯𝗲𝗱𝗱𝗲𝗱 𝗗𝗲𝘀𝗶𝗴𝗻 𝗮𝗻𝗱 𝗣𝗖𝗕 𝗦𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀 — 𝗳𝗶𝗿𝗺𝘄𝗮𝗿𝗲 + 𝗮𝗽𝗽 + 𝗰𝗹𝗼𝘂𝗱 🤝 𝗣𝗿𝗼𝗳𝗲𝘀𝘀𝗶𝗼𝗻𝗮𝗹 𝗰𝗼𝗺𝗺𝘂𝗻𝗶𝗰𝗮𝘁𝗶𝗼𝗻 & < 8 𝗵𝗼𝘂𝗿 𝗿𝗲𝘀𝗽𝗼𝗻𝘀𝗲 𝘁𝗶𝗺𝗲 🛠 𝗧𝗼𝗽-𝗥𝗮𝘁𝗲𝗱 𝗣𝗹𝘂𝘀 𝗳𝗿𝗲𝗲𝗹𝗮𝗻𝗰𝗲𝗿 𝗼𝗻 𝗨𝗽𝘄𝗼𝗿𝗸 (𝗽𝗿𝗼𝗷𝗲𝗰𝘁𝘀 𝗱𝗲𝗹𝗶𝘃𝗲𝗿𝗲𝗱 𝗮𝗰𝗿𝗼𝘀𝘀 𝟰 𝗰𝗼𝗻𝘁𝗶𝗻𝗲𝗻𝘁𝘀) 👋 Hi, I’m Muhammad Usman Ali — your Embedded Systems Partner I design, program, and manufacture custom embedded hardware solutions integrating ESP32, Raspberry Pi, and advanced sensors with intuitive control systems and mobile/desktop applications. From smart IoT devices to industrial automation and AI-based detection systems, I provide full-stack embedded support: hardware + firmware + cloud. Some signature projects include: 🔥 FireRoofs — AI-driven wildfire detection & sprinkler automation (ESP32 + Raspberry Pi + Firebase + LoRa) 🌸 Serenyc Smart Diffuser — multi-vial scent diffuser with RFID, BLE, Alexa/Google Home, and OTA updates 📡 Compact LoRa/GPS/BLE Tracker — multi-sensor device for precision mapping & 3D positioning ⚙️ Thermal Dilatometer — precision lab instrument with sensor automation and Mac data-logging app 🧠 Technical Expertise Controllers & Platforms: Arduino | Raspberry Pi | ESP32 | STM32 | PIC | 8051 | PLC | ZYNQ / PYNQ FPGA | DSP kits Programming Languages: C | C++ | Python | Java | C# | Swift | Kotlin | Flutter | JavaScript (Node.js) Firmware & IoT Development: RTOS | ESP-IDF | FreeRTOS | LoRaWAN | BLE | Wi-Fi | MQTT | Firebase | REST API Integration Circuit & PCB Design: Altium | KiCAD | EasyEDA | Proteus | Multilayer PCB Routing | Signal Integrity | Design for Manufacturing Cloud & App Integration: Firebase | Firestore | Blynk | AWS IoT Core | Google Cloud | Flutter | PyQt | React Native Tools & IDEs: Visual Studio | STM32CubeIDE | Eclipse | MATLAB/Simulink | Android Studio | Xcode 🧩 Industries Served Smart Home / IoT Automation Industrial Controls & Sensors Environmental & Safety Systems Consumer Electronics / Wearables Lab Instrumentation & Testing Equipment 💬 Let’s Build Together If you need a reliable partner who can design hardware, write firmware, and connect everything to the cloud, I can help you bring your idea to market — fast, stable, and production-ready. 📞 Invite me to your project or book a quick consultation call — let’s discuss how we can turn your concept into a real, working product.

✅ 100% Client Recommendation ✅ Top Embedded and Firmware developer ✅ Top Hardware designer ✅ Top Software design ✅ Top Mechanical design and industrial design ✅ Top Enclosure design Services: 1) Hardware/Electronics design (Power, Analog, Digital/High-speed and RF electronics design) 2) Precertification testing (EMI, ESD, EMC, FCC, CE, UL) 3) Firmware design С/C++ (Bare metal MCU/MPU, FreeRTOS, Zephyr RTOS, Embedded Linux, Wireless protocols, Security, Interfaces, etc) 4) Industrial and Mechanical design (Enclosure design, 3D printing, IP standards, Prepare all for injection molding, etc) 5) UX/UI design (Embedded devices with displays, Mobile and Desktop applications) 6) Software design (Android, IOS, Linux kernel and user space development) 7) Embedded Quality Assurance(QA) and testing 8) Manual verification/testing PCB/FPC, functional and unit testing of the Firmware/Software, stress testing, temperature range testing Service->Hardware design service: - Power electronics design: (PFC, Solar charging controller, chargers, high voltage control, Motor controllers DC/AC/BLDC ) - Analog electronics design: High-accuracy analog measurements, Noise filtration, Digital to analog conversion, Amplifying signal - Digital and high-speed electronics design: - Memories DDRx/LPDDRx, SDRAM, Camera and display interfaces (MIPI-DSI, MIPI-CSI, DisplayPort, etc), Data communication interfaces (QSpi, SPI, UART, I2C, FMC, I2S, USB 2/3.x, etc), ( - RF Designs: ( 50-60 GHz (Radars), 1-6 GHz (UWB, Wifi, BLE, ZigBee, GPS, NB-IoT, LTE-M/LTE, Z-Wave, etc), 13,6 MHz, 128 kHz (NFC, RFID, etc), 433 MHz (Custom protocols) Service->Industrial and Mechanical design - Industrial design of the sketch - it includes a few sketch designs, depending on the physical sizes of the device, specific of industry and user experience - Mechnical CAD design with deep PCB integration - it includes full mechanical draw based on the industrial design with detailed sizes, materials and manufacturing specific. - Thermal calculation and simulation - it includes simulation of the heating device inside enclosure, with theoretical cooling calculation - 3D printing and verification - we use 3D printer hp jet fusion 5210, with a very nice quality of printing, that helps us to make a good verification of parts with PCBs - Injection molding - the last step, which includes manufacturing optimization and making pres forms, preparing documentation for the manufacturing Service->Firmware design С/C++: - Languages: C/C++, Assembler - Diagrams: Block, UML, Workflow, APIs - Interfaces: I2S, SAI, MIPI-DSI, MIPI-CSI, USB 2/3.x, LTDC, DDR3/DDR4/LPDDR4, I2C, SPI/QSPI, UART, CAN, Ethernet - Wireless: NB-IoT, LTE M, GPRS, GPS, LTE, UWB, WiFi, BLE, ZigBee, Z-Wave, LoRa, Thread, 6LoWPAN, Sub 1GHz, NFC (13,6 MHz), RFID 433 MHZ and 128 kHz - Protocols : MQTT, HTTP, FTP, Modbus TCP/RTU, SNMP, TCP/IP, UDP/IP, DLMS, custom protocols - Security: AES, SSL/TLS, custom algorithms - Libs and frameworks: TouchGFX (GUI lib for MCU), emWin (GUI lib for MCU), LVGL (GUI lib for MCU), WolfSSL (SSL/TLS), Mbed TLS(SSL/TLS), osxMotionFX (Sensors fusion algorithm based on the Kalman theory), FatFS, lwIP (TCP/IP stack), WICED (Wifi stack), aws/amazon-freertos, Paho MQTT, TensorFlow - Embedded OS: FreeRTOS, TI-RTOS, ZephyrOs, Embedded Linux, Yocto, ROS - MCUs: NXP (i.MX RT1064, LPC1100, LPC4000), Nordic (NRF52xx/NRF53xx/NRF91xx), TI (CC3220/CC26xx/CC1100/CC3200, MSP430), Espressif (esp32, esp8266), ST(STM32H7/F7/F4/L4/F0/L0/WB/WL/G0 and STM8), Atmel/Microchip(SAM D20/D21/L21/R21/V70/V71, SAMA5/SAM4/SAMD4), Silicon Labs(EFR32, ZGM130S), Cypress (PSoC 3/PSoC 4), Kinetis (Family MK81FN256VDC15), Holtek (HT68xx) - MPUs: Analog Devices (ADSP-2156x SHARC), Qualcomm (Snapdragon 625/425/610/845), Allwinner (A64, A33, H3, H6 series), NXP (I.MX6/I.MX7/I.M8) , ST(STM32MP1) - SOMs: NVIDIA Jetson nano, NVIDIA Jetson Orin Nano, NVIDIA Jetson AGX Orin, Toradex (Colibri iMX6, IMX7, IMX8), Raspberry pi (CM3, CM4 modules), Inforce (Qualcomm Snapdragon 410, 820, 845 SOM), 8devices (Mango on Qualcomm IPQ6000/IPQ6010 Soc), Sensiedge(SensiBle 1 and 2, SensiLora) Service->Software: - Languages: Java, Kotlin, C#, C/C++, Python, Java Script - Diagrams: Block, UML, Workflow, APIs - Interfaces: USB, Ethernet - Protocols : MQTT, HTTP, FTP, Modbus TCP/RTU, SNMP, TCP/IP, UDP/IP, DLMS, custom protocols - Wireless: BLE, WiFi, UWB - Security: AES, SSL/TLS - Libs and frameworks: GStreamer, Paho MQTT, WolfSSL (SSL/TLS), Mbed TLS(SSL/TLS), QT framework, Xamarin Forms and Maui, ASP .NET Core and web development, React (web UI development), SQLite DB, FireBase DB, Mong DB, InfuxDB DB, Room, TensorFlow, Node.js - OS: Android, IOS, Linux, Windows

From Concept to Completion: Advanced 3D Modeling & Product Development I specialise in industrial mechanical design, product development, and design automation, transforming ideas into manufacturing ready, cost-effective solutions with a strong focus on DFM and real-world production. Doctor, UK-based Chartered Engineer, with 20+ years of hands-on experience, I bridge the gap between concept, prototyping, and mass production using practical engineering and industry-proven methods. Core Expertise: CAD Modeling & Advanced 3D Design Product Design, Innovation & Engineering Optimization Design for Manufacturability (DFM) & Cost Reduction Rapid Prototyping (FDM, SLA) & Iterative Development Material Selection & Process Optimization Engineering Drawings, GD&T & Technical Documentation Concept Visualization & Rendering Manufacturing Processes & Assembly Development Tools & Platforms: SolidWorks, Autodesk Inventor, Fusion 360, Onshape, KeyShot, Blender, LabVIEW, MATLAB, AutoCAD, Revit, SketchUp My work spans innovative machinery design, automated systems, and refined consumer and industrial products. I prioritize standard, reliable components (e.g., McMaster-Carr) to reduce cost and lead time, supported by prototyping, CNC, PCB manufacturing, laser cutting, and full workshop capabilities. Let’s schedule a quick call and turn your concept into a production-ready solution.

IoT Product Development | Embedded Linux | Edge Gateways | Firmware | Cloud | Mobile Apps I help companies build & launch end-to-end IoT products — from sensor/firmware to cloud and dashboards. 15+ years experience | Delivered 50+ IoT/Embedded projects | $100K+ earnings on Upwork ✅ What We Build ✔ IoT Devices & Edge Gateways - Embedded Linux (Yocto/Buildroot), bootloader, kernel & device drivers - BLE / LoRa / ZigBee / Thread / UWB / WiFi / LTE connectivity - Secure firmware (Secure Boot, Verified Boot, OTA/FOTA updates) ✔ Firmware & Microcontroller Development - ESP32, STM32, Nordic (nRF), NXP, Microchip, SiLabs - Sensor interfacing, low-power, battery optimized firmware ✔ Cloud & Dashboards - AWS IoT, Azure IoT, Google IoT, MQTT - Grafana dashboards, Web + Mobile apps (Flutter / MERN) ✔ Full-stack delivery (Hardware → Firmware → Cloud → App) - PCB design + Prototyping - Secure Device-to-Cloud communication - REST APIs, integrations, data analytics ⭐ Some of our notable Projects in a nut shell 🔹 Life Smarter – Consumer Home Security Edge Gateway We developed a highly customized security solution for consumer home security, enabling real-time intrusion, fire, theft, and burglary detection with automated police dispatch. The system is built on the Dusun 210-F Edge Gateway with Rockchip RK3328, integrating LoRa, Zigbee, Z-Wave, BLE, WiFi, LTE, and Hardware Security Modules (HSM) for encrypted communications. The firmware supports Secure Boot, AVB, DM-V, Rootfs encryption, and A/B firmware updates via Mender to ensure a highly secure and reliable system. 🔹 Custody Protect – IoT Smart Handcuff We recently developed an IoT Smart Handcuff used for monitoring prisoners in custody in the USA. Custody Protect helps police and prison monitoring officers track each prisoner’s health status and detect violations of predefined conditions. Our team developed the entire end-to-end stack – backend, user apps, firmware, and PCB design. The ESP32 interfaces with multiple components like RFID, LoRaWAN, BLE, WiFi-BLE Mesh Network, and UWB to securely transmit data to the cloud. 🔹 Device Thread – OpenWRT & Intel NUC-Based Edge Server We built an Edge Gateway solution where OpenWRT powers a captive portal for user activity logging and intelligent bandwidth management, including IP-based controls. An Intel NUC running Ubuntu functions as a robust OTA server for seamless updates and hosts a local server for secure Smart TV management and Automated Device Binding (ADB) operations. This setup ensures efficient, secure, and scalable network management for enterprise deployments. 🛡 Why clients choose me ✅ Production-grade experience ✅ Secure OTA updates, hardware security modules (ATECC608) ✅ Guaranteed delivery — clear milestones, demo every sprint “We didn’t just get code. We got a complete product ready for deployment.” – Upwork Client 💬 Let’s discuss your project Send your requirement, even if it's just an idea — I can help shape the your product as your expectation.

Presently pursuing my M.Sc. degree in Biomedical Engineering at Bangladesh University of Engineering and Technology, Bangladesh. I am currently working on biomedical signal processing and deep learning-based health informatics projects as an active member of the m-health lab. My other research interests include biomedical simulations, biomedical Instrumentation, and edge device optimization. I am pretty much proficient in python and Matlab programming.

I have spent the last 13 years becoming an expert in the field of acoustics and vibration. Coupling that with an MBA, I can help solve complex problems while being cost-conscious. I worked in industry for five years as a noise and vibration (NVH) consultant, so expanding my services to Upwork is a natural next step. I have worked in the machine learning, automotive, aerospace, military, consumer goods industries. I use AI in as many tasks as possible to deliver impressive results at impressive speed. I'd love to have a complimentary chat to discuss how I could help solve your problem. Additional Proficiencies: Data acquisition Signal processing Machine Learning City Noise Ordinances Speech Transmission Classification Testing Access to: MATLAB Python LabVIEW Test Lab COMSOL Solidworks