Freelancer profile translated to English.

Description

Freelance Embedded Engineer with over 15 years of experience in developing EMC-compliant hardware and software solutions for industrial and IoT systems. Specializing in Real-Time Operating Systems (RTOS), secure cloud integration, and communication protocols. I support companies in porting complex software stacks, industrializing embedded systems to series production readiness, and developing energy-efficient, connected products.

Industry field of expertise

Languages

German
Native or bilingual
English
Conversational
Italian
Basic

Workplace preferences

Can work on-site

Stadtkreis Freiburg im Breisgau (up to 50km), Stuttgart (up to 50km), München (up to 50km), Frankfurt am Main (up to 50km), Zürich (up to 50km)

STACKFORCE GmbH
Software Engineer
TELECOMMUNICATIONS
November 2025 - December 2025 (1 month)
Eschbach, BW, Germany
Development and bring-up of an energy-efficient embedded platform on STM32U385, including low-level firmware basis.
Setup and integration of the ST S2-LP Sub-GHz transceiver (driver, radio stack interface, communication paths).
Implementation/adaptation of HAL/LL drivers and low-power concepts (LSE/RTC, SMPS usage).
Performance and time base optimization (ICACHE configuration, power domain state management, robust RTC time, correct wakeup reload handling).
*Result:Functional Ultra-Low-Power reference platform for wMBus C-Mode with verified Sub-GHz communication, stable RTC time base, and deep sleep current consumption "~ 5µA".
C OMS System Integration Radio CMake
STACKFORCE GmbH
Software Engineer
TELECOMMUNICATIONS
September 2025 - October 2025 (1 month)
Eschbach, BW, Germany
Porting and integration of the company's wMBus and LoRaWAN stacks to an ARM Cortex-M33 platform.
Analysis and adaptation of compiler and CMSIS versions for seamless integration into the current STM32 toolchain.
Optimization and expansion of the GitLab CI/CD pipeline to a fully automated build and release process.
Creation of technical documentation and preparation of review and release documents.
*Result:Successfully ported and integrated wMBus/LoRaWAN stack on Cortex-M33, including STM32 toolchain integration and a fully automated CI/CD build and release process (release-ready handover to the team).
System Integration Bash Scripting C GitLab CI/CD LoRaWAN
STACKFORCE GmbH
Software Engineer
TELECOMMUNICATIONS
April 2025 - April 2025
Eschbach, BW, Germany
Update of a software stack (wMBus/LoRaWAN) for STM32WL.
Verification of functions using unit and integration tests.
Creation of technical and customer-specific documentation.
*Result:Updated wMBus/LoRaWAN stack on STM32W regression-free verified (unit/integration tests) and handed over release-ready with customer-specific documentation.
C GitLab CI/CD Radio LoRaWAN CMake

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Diplom-Ingenieur, Communications Engineering
Konstanz University of Applied Sciences - University of Technology, Economics and Design
2009
Diplom-Ingenieur, Nachrichtentechnik
Technician, Electrical Engineering and Electronics
Lörrach Technical School
2002
Techniker, Elektrotechnik und Elektronik

Electronics Engineer

Alexander Maurer

Embedded Systems Engineering Office

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