Abdul Jalil S.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Mar 1, 2026.

Overview I’m a Senior Embedded Systems & Industrial Automation Engineer with over 15 years of experience delivering full-cycle solutions across manufacturing, automotive, medical, energy, and consumer tech sectors. My expertise lies in designing and developing real-time embedded systems, PLC-based automation, RF and wireless communication, IoT devices, FPGA architectures, and Flutter apps for hardware interfacing. I’ve worked with both startups and established companies—translating complex requirements into robust, scalable, and production-ready systems. Core Competencies PLC & Automation * Siemens (TIA Portal, S7-300/1500), Allen-Bradley, Mitsubishi * SCADA/HMI: WinCC, FactoryTalk, Ignition * Protocols: Modbus, Profibus, EtherNet/IP, OPC UA Embedded Firmware & PCB * Bare-metal & RTOS firmware (FreeRTOS, Zephyr) * Microcontrollers: STM32, ESP32, AVR, PIC, Nordic * PCB design: Altium, KiCad, Eagle (multi-layer, EMI/ESD-compliant) FPGA & VHDL * RTL design in VHDL (Xilinx, Intel/Altera) * High-speed data processing, ADC/DAC interfacing, timing analysis IoT & Wireless * BLE, Wi-Fi, LoRa, ZigBee, NB-IoT * Cloud: AWS IoT, Azure IoT, custom backends * MQTT, OTA updates, secure device provisioning RF & Telemetry * RF module integration, front-end design * Signal conditioning, antenna tuning, long-range data transmission Flutter Apps * Cross-platform apps to control/monitor embedded hardware * BLE/Wi-Fi communication, real-time dashboards, custom UIs Project Highlights * Robotic Arm Control via PLC & HMI Built real-time control logic for multi-axis robotic arm using Siemens PLCs with a custom HMI interface. * Smart Agriculture IoT Platform Designed low-power LoRa sensor nodes with STM32, integrated with a cloud backend and a Flutter-based dashboard app. * High-Speed FPGA Data Logger Developed FPGA firmware for 12-bit ADC at 50MSps using Xilinx Artix-7, with real-time data buffering and SD card logging. * BLE Medical Device Firmware + App Created secure BLE firmware for a wearable health sensor (Nordic nRF52), paired with a Flutter app for real-time sync. * Legacy SCADA System Upgrade Modernized PLC/SCADA systems using TIA Portal and OPC UA, enabling centralized control and remote monitoring. Tech Stack Languages: C, C++, Dart, VHDL, Python Platforms: STM32, ESP32, Nordic, Xilinx, AVR, PIC Protocols: UART, SPI, I2C, CAN, RS485, BLE, MQTT Tools: TIA Portal, Vivado, STM32CubeIDE, Altium, KiCad, Android Studio, Firebase Why Clients Work With Me * 15+ years of multidisciplinary engineering experience * Full-stack capability: hardware, firmware, automation, mobile * Clear communication, clean documentation, and reliable delivery * Proven track record of delivering production-grade systems Let’s Collaborate If you're building a custom embedded system, upgrading an automation setup, or launching a new IoT product, I can help—from hardware design to mobile integration. Let's bring your vision to life with precision and performance. Message me to get started.