IoT Firmware Development
- ESP32, RTOS systems
- WiFi, BLE, MQTT, HTTP
- Tuya platform integration
- Secure provisioning (BLE, captive portal)
Connected Device Firmware Engineer
I develop production-ready IoT firmware with reliable WiFi, BLE, MQTT, and cloud integration.
I help teams ship robust embedded products from prototype to manufacturing with reliable connectivity, secure provisioning, and maintainable firmware architecture.
Services
Firmware engineering services for connected products
From communication stacks to production optimization, I build resilient firmware systems that scale in real deployments.
Communication & Connectivity Systems
- UART, I2C, SPI integration
- RF & IR protocol implementation
- 4G (Quectel module) integration
- Remote protocol handling (NEC, RC5)
Low-Power & Performance Optimization
- Deep sleep optimization
- Flash memory management
- Code performance tuning
- Production debugging & logging
Projects
Selected firmware case studies
Each project focused on robust field behavior, stable communication, and measurable production impact.
Smart Home IoT Platform
Problem
The product needed a complete firmware stack for connected home devices with reliable setup and cloud communication.
Solution
Built end-to-end firmware with WiFi, BLE, MQTT, and HTTP, including secure provisioning flow and cloud integration for field deployment.
Impact
Enabled production-ready deployment with consistent onboarding and stable device-to-cloud data exchange.
Smart Energy Meter
Problem
The meter required accurate electrical parameter monitoring with stable long-term logging on constrained hardware.
Solution
Optimized UART communication routines and reworked flash storage handling for robust data persistence and efficient writes.
Impact
Improved reading accuracy while delivering stable logging behavior during extended runtime.
Tuya BLE Configuration System
Problem
Configuration needed to be simple for users while remaining compatible with Tuya UART protocol constraints.
Solution
Implemented Tuya UART protocol and BLE provisioning pipeline to support seamless app-based device configuration.
Impact
Reduced setup friction and improved first-time provisioning success in real usage.
BLDC Motor Firmware Optimization
Problem
Control loop instability and inefficient runtime behavior were affecting motor performance and smoothness.
Solution
Refined control loop execution path and tuned timing-sensitive firmware sections for deterministic behavior.
Impact
Delivered smoother motor operation with better efficiency under production load conditions.
About
Engineering connected devices that are dependable in production
Embedded systems engineer focused on reliable connected devices, low-power firmware, and scalable IoT architecture.
Contact
Let's build your connected product
Share your requirements and timeline. I'll respond with a practical execution plan.