I'm Shoaib Siddique, an electronics engineer and full-stack systems developer with over 9 years of experience in embedded systems, IoT product development, and cloud-integrated software solutions. I specialize in building intelligent hardware prototypes and complete IoT ecosystems—from PCB design and firmware to Python-based dashboards and backend APIs. Whether you're a startup building a new product or an enterprise needing robust automation or monitoring solutions, I can help bring your concept to life. Core Capabilities: - PCB Design & Circuit Simulation (Altium, KiCAD) - Embedded Systems (ESP32, STM32, Arduino, Raspberry Pi) - Communication Protocols (RS485, UART, SPI, LoRa, BLE, DALI) - Cloud-Based IoT (AWS/GCP, MQTT, REST APIs) - Firmware Development (C, C++, Micropython) - Python Desktop & Web Apps (Tkinter, Streamlit, Flask) - Remote Troubleshooting, Testing & Prototyping (own lab) Let’s build innovative, scalable, and cost-efficient solutions that blend electronics with intelligent software. Available for consultations, long-term collaboration, or rapid prototyping.

Electronics Design Engineer with a background in measurement systems. I have a extensive experience in the development of electronic devices from initial idea to final product. In my designs, I am ready to apply skills in analog and digital electronics including microcontrollers and FPGA. My Technical Skills: - Analog Circuit Design: -- Measurement Circuits, -- Power Supply Circuits, -- A/D and D/A Converters, -- Active and Passive Filters; - Digital Circuit Design: -- Microcontrollers, -- FPGA, -- Interface Buses (SPI, I2C, RS-232, RS-485, ...), -- Memory Interfaces (DDR1-3, SDRAM, Serial/Parallel Flash, ...), -- High Speed I/O Interfaces (USB, Ethernet, PCI Express, LVDS, ...); - Multi-layer PCB Design: -- BGA, Micro BGA, QFN, LGA, etc., -- Blind and Buried Vias, -- Controlled Impedance Traces, -- Differential Pairs, -- Matched Length Traces, -- Daisy Chain and Star Topologies; - File Generation for a PCB Manufacturing Service (BOM, Gerber, NC Drill, Assembly Drawing, ...); - Embedded Microcontroller Software Design (STM32, AVR, EFM32); - Prototype Manufacturing and Debugging. Design Tools Experience: - Cadence Allegro/OrCAD; - Altium Designer; - KiCad; - EAGLE. I am open to new technologies, tools, and methodologies. I offer the best design solution for your requirement.

Versatile engineer focused on electronics and product design, with strong emphasis on high-complexity printed circuit board designs and a focus on design for manufacturability. I design, build, program, and test prototypes with in-house tools. I have served a wide variety of industries and have developed initial concepts and prototype devices as well as producing products that go into full scale production manufacturing. I work with clients and testing services to bring their product through regulatory and safety compliance testing and certification. Extensive design experience on Altium Designer, including detailed layout incorporating 3D CAD models. Certified IPC Designer Council PCB Designer (CID). Whether developing a brand new idea at early concept stages, developing or refining prototypes to validate the product, or taking the product into manufacturing and production, I enjoy providing you with solutions that are suitably for your needs. I am a graduate of the California Institute of Technology (Caltech), with a B.S. in Engineering and Applied Sciences. I am located in the Pasadena / Los Angeles-area. I am a U.S. Citizen and am available for travel domestically and internationally. Key offerings: • System analysis and design, including key technical and market considerations for success • Electronics design and printed circuit board (PCB) layout (Altium) • Mechanical CAD work to supplement the electronics, including sheet metal work (Alibre) • Develop bare-metal firmware and embedded-OS software • Assemble, build and test prototypes • Process regulatory and safety testing and certification • Manage product manufacturing and logistics • Perform design reviews to identify problems and recommend improvements • Troubleshoot and fix failed devices, including repair of circuit boards I can use many formats of customer-supplied data from other electronics design software, and mechanical data from Solidworks and other standard CAD data formats. I have developed a wide variety of circuit boards, including: • Standard 2- and 4-layer boards with surface mount and through-hole components • Custom spec boards (e.g. high layer counts, blind/buried vias, HDI) • High-speed / high-density boards with length-matching and tuning, controlled impedance • Circuit boards with complex mechanical dimensional requirements • Flex, rigid-flex, and semi-flex board assemblies with features on multiple work planes • Products incorporating Bluetooth, BLE, WiFi, and serial interfaces (SPI, I2C, LIN, RS-232, RS-485) I design, assemble and test prototype electronics with in-house equipment. For volume production, I can arrange turn-key manufacturing for you. Partial list of equipment: • SMD assembly and rework prototyping tools • CNC PCB milling system • SMD Pick-and-place for short-run PCB assembly (over 3,000 CPH) • 3-axis CNC mill for enclosure / custom metal fabrication • Multiple 3D Printers. Print volumes up to 14" x 14" x 12.6" (355 x 355 x 320 mm) • 4-Channel 500 MHz digital storage oscilloscope, • 34-channel 500 MSPS logic capture/analyzer • Thermal imaging camera • Metrology grade 3D scanner Please feel free to challenge me with your tough projects!

With 10 years of experience in developing hardware, firmware, and documentation for medical devices and Software as a Medical Device (SaMD), I have specialized in designing safe and compliant systems. I am well-versed in: • IEC 60601-1 (General Safety) • IEC 60601-1-2 & IEC TR 60601-4-2 (EMC) • IEC 62304 (Medical Software) • ISO 13485 (QMS) • ISO 14971 (Risk Analysis) • IEC 60601-2-57 (Non-laser light) • IEC 60601-2-18 (Endoscopes) • IEC 60601-2-83 (Heat lamps) • IEC 62471 (Non-laser light risk) • IEC 60825-1 (Laser safety) • Related FDA guidelines → Hardware Development • End-to-End PCB Design: From schematic capture and layout to prototyping and validation for rigid, flexible, and metal-core substrates. • Specialized Circuit Design: Expertise in analog front-ends for sensitive biometric data, efficient power converters, and robust sensor interface circuits. • Design for Manufacturing (DFM): Creating designs optimized for cost, reliability, and scalability in a production environment. • Supply Chain Coordination: Managing communication and prototyping with component suppliers and PCB manufacturers. → Firmware Development • Microcontroller Expertise: Proficient with a range of architectures, including Atmel/Microchip (Atmega, ATxmega, SAM), STM32, and ESP32. • Programming Languages: Primary development in C for embedded systems, with Python and MATLAB used for testing, automation, and data analysis. • Structured Development: Emphasis on modular code, comprehensive documentation, and verification testing to support regulatory audits. → Regulatory Pathway • Regulatory Strategy & Liaison: Acting as your technical interface with certification bodies and test labs. • Documentation Authoring: Hands-on creation of all necessary technical file documents, including: --- Product Requirements & Design Specifications --- System and Software Test Plans --- Risk Management Files (per ISO 14971) --- Software documentation (per IEC 62304 and FDA guidance) • Testing Management: Developing test plans and managing the compliance testing process with my network of ILAC-certified labs, ensuring significant cost savings compared to European or American labs.

I take robots from lab demos to real-world deployment, including multi-robot systems built for international airport operations. Quadrupeds, drones, GPS-guided ground robots: if it needs to navigate the real world reliably, that's my job. Top Rated Plus, 100% Job Success, and a day job shipping commercial robot fleets. WHAT I CAN BUILD FOR YOU - Autonomous Navigation: full Nav2 stacks: GPS waypoint following, costmap tuning, elevation mapping, obstacle avoidance, multi-robot support. - SLAM & Localization: LiDAR-inertial odometry (FAST-LIO2, GLIM, Point-LIO), robot_localization EKF, dual-antenna RTK GNSS (Septentrio, u-blox), NTRIP corrections. I've debugged RTK issues down to the raw SBF logs. - Perception & Edge AI: YOLO, TensorRT, NVIDIA DeepStream, LiDAR-camera calibration and fusion (Ouster, Livox, Hesai, RealSense), Jetson deployment - Drones & UAVs: PX4 firmware modifications, custom obstacle avoidance, uORB messaging - Simulation: NVIDIA Isaac Sim, Gazebo, digital twins for sim-to-real workflows - LLM-Powered Robots: voice-to-action pipelines: speech recognition, LLM reasoning, ROS 2 command execution PLATFORMS I'VE SHIPPED ON Unitree Go2 & G1 humanoid, Husarion Panther, Clearpath Jackal, custom inspection robots, PX4 drones, AUVs. HOW I WORK Clean Docker-based ROS 2 setups (Humble/Jazzy), documented handoffs with runbooks, honest estimates, fluent English communication. Tell me what your robot needs to do and where it needs to run I'll tell you exactly how I'd approach it, and whether I'm the right fit.

Hi there, my name is Weverson Barbieri, ● Bachelor’s degree in Business Administration and Automotive Systems Technology, with proficiency in English, multiple training and specialization courses in technology, and over six years of experience in large national and multinational companies. ● Skilled in IT project management, serving as a direct interface with stakeholders to gather requirements and develop new features/solutions, ensuring that all activities are executed according to the agreed scope and delivered with quality to the end user. ● Proficient in developing interactive front-end applications using Streamlit, enabling rapid prototyping and deployment of data-driven tools. Passionate about transforming raw data into actionable insights through automation and intuitive user interfaces. ● Strong experience in Python programming using pandas, streamlit, jupyter, pdfplumber, and Pyinstalled. Skilled in building efficient data pipelines and cleaning routines for complex datasets. Experienced in version control using Git and GitHub, ensuring collaborative development, code integrity, and streamlined project management. Passionate about transforming raw data into actionable insights through automation and intuitive user interfaces. ● Expert in diagnosing electrical and electronic failures in ECUs for engine, body, and transmission management in American vehicles. ● Deep understanding of automotive network communication protocols, such as CAN BUS, CAN BUS sniff and LIN. ● Proficiency in DTCs (Diagnostic Trouble Codes) and their respective circuits. ● Comprehensive understanding of electrical schematics, input/output signals, sensors, actuators, pinouts, and ECUs. ● Programming portfolio available on GitHub: weversonbarbieri and hydra-code-repository I invite you to look at my profile, and let’s do something great together.

I am a highly experienced Hardware Design Engineer with over 5 years of professional engineering experience and multiple successful projects. With expertise spanning mechanical design, electronics engineering, and software development. My diverse skill set allows me to deliver innovative solutions across multiple domains. Core Expertise: 📌Electronics Engineering & Embedded Systems: ✔ PCB design, circuit prototyping, and simulation using KiCAD, Proteus, Altium Designer, and EasyEDA. ✔Firmware development for microcontrollers including Arduinos, ESP32/8266, STM32, RPis, Jetson Modules and more using Arduino IDE, ESP-IDF, and STM32Cube IDE etc. ✔ Skilled in programming with C/C++ and Python. 📌Product Design & Mechanical Engineering: ✔3D modeling, rendering, animation, and FEA simulation using SolidWorks, Blender, and KeyShot. ✔Specialized in designing enclosures for electronics, machine parts, and consumer products with a focus on DFM for 3D printing, CNC machining, and injection molding. ✔ Expertise in creating photo-realistic renders and manufacturing-ready designs. 🔍Whether you need assistance in product development, embedded systems, or creating visually appealing designs, feel free to message me. Let’s work together to turn your ideas into reality!

As a Top Rated Plus freelancer on Upwork, I've successfully delivered large-scale data science, engineering and embedded systems projects with 100% client satisfaction I’m a Microsoft Certified Data Scientist and Electrical Engineer with 8+ years of R&D experience in Machine Learning, Data Analytics, and PCB/IoT Design, helping startups and engineering firms build smarter, data-driven products. What I Deliver AI & Data Science Solutions - Machine Learning & Deep Learning model development (NLP, Time Series, Computer Vision, GANs) - End-to-end ML pipelines: data preprocessing → model deployment → API integration - Predictive analytics & dashboards for finance, manufacturing, and IoT systems - Bots for trading (stocks, crypto) with real-time data analysis PCB & IoT System Design - High-efficiency PCB layouts (DC/DC converters, motor drivers, wearable devices, IoT boards) - Firmware development and embedded systems integration - Wireless communication (BLE, LoRa, Wi-Fi) and sensor-based design Technical Writing & Research - Research papers, whitepapers, and technical documentation - AI, data science, and engineering articles written with clarity and authority Why Clients Hire Me - Microsoft Certified and backed by an Electrical Engineering degree - Cross-domain expertise, combining AI, data analytics, and embedded systems - Proven track record in delivering optimized, production-ready ML and engineering solutions - 100% commitment to quality, communication, and on-time delivery, or your money back If you’re building a data-driven product, predictive system, or smart IoT solution, I can help you take it from idea to implementation, efficiently, accurately, and intelligently. Let’s discuss how I can help you bring your next project to life.

I am a Flight Control & UAV Simulation Engineer specializing in autonomous systems, guidance-navigation-control (GNC), aircraft simulation, autopilot development, and real-time UAV software engineering. I help companies, defense startups, drone manufacturers, and research teams develop reliable flight control systems, high-fidelity simulations, autonomous UAV behaviors, and mission-critical aerospace software. My expertise combines aerospace engineering, control systems, embedded development, simulation modeling, and data analytics to build complete end-to-end UAV solutions. Core Expertise ✔ Flight Control System (FCS) Development ✔ UAV Autopilot Design & Tuning ✔ Guidance, Navigation & Control (GNC) ✔ Fixed Wing / VTOL / Hybrid UAV Systems ✔ Aircraft Modeling & Simulation ✔ Software-In-The-Loop (SITL) & Hardware-In-The-Loop (HIL) ✔ PID / LQR / Adaptive Control ✔ Navigation Algorithms & Mission Logic ✔ Sensor Fusion & State Estimation ✔ UAV Mission Planning Systems ✔ Swarm & Interceptor Drone Concepts ✔ Telemetry & Communication Protocols ✔ Real-Time Embedded Systems ✔ Data Analytics & Flight Data Analysis ✔ MATLAB/Simulink Aerospace Modeling ✔ Python-based Simulation Frameworks Tools & Technologies Aerospace / Simulation MATLAB Simulink Aerospace Blockset FlightGear X-Plane JSBSim Gazebo AirSim PX4 ArduPilot QGroundControl MAVLink ROS / ROS2 Programming Python C C++ Embedded C Lua Bash Control & Navigation PID Controller Design Kalman Filters Extended Kalman Filter (EKF) State Estimation Sensor Fusion Path Planning Trajectory Generation INS/GPS Integration Data & Analytics NumPy Pandas SciPy OpenCV TensorFlow Real-Time Telemetry Analysis Flight Log Analysis Performance Optimization Embedded & Hardware STM32 Raspberry Pi NVIDIA Jetson UART / SPI / I2C / CAN UDP/TCP Communication Serial Telemetry Systems What I Can Build UAV flight control algorithms Aircraft dynamic models Guidance & navigation systems Autonomous mission software VTOL transition control logic Drone intercept systems Real-time telemetry dashboards SITL/HIL simulation environments Custom autopilot firmware modules Mission planner integrations Swarm coordination logic Flight data analytics pipelines Industries & Applications Defense & Surveillance Autonomous UAV Systems Aerospace R&D Drone Startups Robotics Simulation & Training AI-assisted UAV Operations Counter-UAS / Interceptor Systems I focus on delivering: ✔ Clean & scalable code ✔ Accurate simulations ✔ Stable flight behavior ✔ Optimized control performance ✔ Professional engineering documentation ✔ Reliable communication throughout the project If you need a Flight Control Engineer, UAV Simulation Expert, or Aerospace Software Developer who understands both theory and practical implementation, I can help turn your concept into a working autonomous system. Let’s build advanced UAV systems that actually fly reliably.

Enthusiastic hobby programmer, B.Sc. in Aerospace Computer Science and M.Sc in Computer Science. Stumbled over all kinds of technologies. Programming since 2001, mainly in C, C++, Python, Common Lisp, Haskell. Worked with Java, Bash, Erlang, Forth among other, too. Written operating system kernels, trajectory calculators, games, data processing tools, GUI apps. Active member on stack overflow. In depth experience of embedded systems design.