Experience

• 

  Livello Technologies

  • Germany
  • IT Services and IT Consulting
  • 1 - 100 Employee

  • Embedded Engineer

    • Oct 2022 - Present

    - Engineered a scalable 1:N BLE (Bluetooth Low Energy) solution for a novel product, enabling seamless communication among multiple IoT devices and a Raspberry Pi.- Lead the development of the Python-based MQTT-BLE gateway, facilitating communication between the new product and the legacy system.- Spearheaded the design and implementation of firmware for ESP32 devices, achieving a 200% improvement in data exchange speed compared to initial benchmarks.- Implemented unit testing frameworks and CI/CD pipelines to ensure code quality and decrease the amount of technical debt.

  • Internet of Things Embedded Engineer

    • Mar 2022 - Sep 2022

    - Implemented a firmware migration initiative from ATMEGA2560 MCU to RP2040 (ARM M0+) microcontroller, realizing a 70% cost reduction while boosting performance.- Upgraded firmware to SMP version of FreeRTOS, utilizing RP2040's dual-core architecture to improve multitasking efficiency and reduce response times by up to 3x.- Developed an MQTT-RS485 gateway in Python, integrating thermostats into the IoT system. Reduced setup time from 30 seconds to 1 second, enhancing efficiency and eliminating manual intervention.