Terence B.

🏆 𝗨𝗣𝗪𝗢𝗥𝗞 𝗘𝗫𝗣𝗘𝗥𝗧 𝗩𝗘𝗧𝗧𝗘𝗗 💪 Top 1% of performers | 15,000+ hours 🎖️ Top Rated Plus | 100% Job Success ✔︎ 20+ years experience in Embedded Systems, IoT & Full Stack Development I design and develop production-grade embedded and IoT systems, from firmware and hardware integration to cloud-connected platforms. Specialized in STM32, Nordic nRF52/nRF53/nRF91, ESP32, RTOS (FreeRTOS/Zephyr), and secure C/C++ firmware development. I help companies turn hardware concepts into reliable, scalable, real-world products. 🚀 𝗔𝗕𝗢𝗨𝗧 𝗠𝗘 I am a Senior Embedded Systems and IoT Engineer with over 20 years of experience delivering production-ready systems across embedded firmware, hardware design, cloud infrastructure, and full stack applications. I specialize in end-to-end system development — from low-level firmware and PCB collaboration to cloud integration and application layers — ensuring robust and scalable real-world deployments. I work with startups and engineering teams to transform complex ideas into reliable production systems. 🔧 𝗘𝗠𝗕𝗘𝗗𝗗𝗘𝗗 𝗦𝗬𝗦𝗧𝗘𝗠𝗦 & 𝗙𝗜𝗥𝗠𝗪𝗔𝗥𝗘 Extensive experience in production-grade embedded firmware development. ▸ 𝗠𝗜𝗖𝗥𝗢𝗖𝗢𝗡𝗧𝗥𝗢𝗟𝗟𝗘𝗥𝗦 & 𝗣𝗟𝗔𝗧𝗙𝗢𝗥𝗠𝗦 ▪ ARM Cortex-M ▪ STM32 ▪ Nordic nRF52 / nRF53 / nRF91 ▪ ESP32 / ESP8266 ▪ Raspberry Pi ▪ Arduino ▪ Microchip PIC ▪ Silicon Labs BGM220 ▸ 𝗥𝗧𝗢𝗦 & 𝗘𝗠𝗕𝗘𝗗𝗗𝗘𝗗 𝗔𝗥𝗖𝗛𝗜𝗧𝗘𝗖𝗧𝗨𝗥𝗘𝗦 ▪ FreeRTOS ▪ Zephyr RTOS ▪ Bare-metal firmware ▪ Multi-threaded systems ▪ Event-driven architectures ▪ OTA firmware updates ▪ Secure boot & encrypted firmware ▸ 𝗖𝗢𝗠𝗠𝗨𝗡𝗜𝗖𝗔𝗧𝗜𝗢𝗡 & 𝗪𝗜𝗥𝗘𝗟𝗘𝗦𝗦 ▪ UART, SPI, I2C, USB ▪ BLE, Bluetooth Classic ▪ LoRa / LoRaWAN ▪ Wi-Fi, LTE, NB-IoT ▪ RS232 / RS485 ▸ 𝗦𝗘𝗖𝗨𝗥𝗜𝗧𝗬 & 𝗡𝗘𝗧𝗪𝗢𝗥𝗞𝗜𝗡𝗚 ▪ TCP/IP, MQTT, HTTP/HTTPS ▪ TLS / mbedTLS ▪ ARM TrustZone ▪ Secure elements (Optiga, ST-SAFE) ▪ PKI systems ▪ JSON, XML, Protobuf ☁️ 𝗜𝗢𝗧 & 𝗖𝗟𝗢𝗨𝗗 𝗦𝗬𝗦𝗧𝗘𝗠𝗦 ▪ AWS IoT, EC2, S3, RDS ▪ MQTT-based architectures ▪ Industrial IoT platforms ▪ Telemetry & remote monitoring ▪ Cellular / NB-IoT / LTE devices ▪ Robotics & automation systems 💻 𝗙𝗨𝗟𝗟 𝗦𝗧𝗔𝗖𝗞 𝗗𝗘𝗩𝗘𝗟𝗢𝗣𝗠𝗘𝗡𝗧 ▸ 𝗕𝗔𝗖𝗞𝗘𝗡𝗗 ▪ Java (J2SE/J2EE), Spring ▪ JSF, JSP, Servlets ▪ Hibernate, JPA ▪ Node.js ▪ PHP / CakePHP ▪ REST APIs ▸ 𝗙𝗥𝗢𝗡𝗧𝗘𝗡𝗗 ▪ ReactJS ▪ JavaScript, HTML5, CSS3, Bootstrap ▸ 𝗗𝗔𝗧𝗔𝗕𝗔𝗦𝗘𝗦 ▪ MySQL ▪ Apache Derby ▪ Database design & optimization 🛠 𝗛𝗔𝗥𝗗𝗪𝗔𝗥𝗘 & 𝗣𝗖𝗕 𝗗𝗘𝗦𝗜𝗚𝗡 ▪ PCB design (Altium Designer / KiCad) ▪ Analog & digital circuit design ▪ Hardware bring-up & debugging ▪ Sensor integration ▪ Power systems ▪ Motor control (PWM, stepper, servo, robotics) 🧠 𝗜𝗠𝗔𝗚𝗘 𝗣𝗥𝗢𝗖𝗘𝗦𝗦𝗜𝗡𝗚 & 𝗔𝗜 ▪ OCR systems ▪ Signal processing & filtering ▪ Embedded AI / ML integration ▪ Sensor data conditioning ▪ Computer vision pipelines 🧪 𝗤𝗨𝗔𝗟𝗜𝗧𝗬 & 𝗦𝗘𝗖𝗨𝗥𝗜𝗧𝗬 ▪ Secure firmware architecture ▪ Veracode static/dynamic analysis ▪ System debugging & reliability engineering ▪ Performance optimization ▪ Production-grade system hardening 🧾 𝗣𝗥𝗢𝗚𝗥𝗔𝗠𝗠𝗜𝗡𝗚 𝗟𝗔𝗡𝗚𝗨𝗔𝗚𝗘𝗦 ▪ C / C++ ▪ Embedded C ▪ Java ▪ Python ▪ JavaScript ▪ PHP ▪ MATLAB 🎯 𝗗𝗘𝗩𝗘𝗟𝗢𝗣𝗠𝗘𝗡𝗧 𝗣𝗛𝗜𝗟𝗢𝗦𝗢𝗣𝗛𝗬 I focus on building reliable, maintainable, and production-ready systems by combining strong engineering fundamentals with real-world product experience across hardware, firmware, cloud, and software layers. If you need embedded firmware, IoT systems, cloud integration, or full stack development, I can help bring your product from concept to production.