Matthias Wissen - Embedded Software Developer

Recommended expert

Haar, Germany

Experience

Aug 2025 - Present

6 months

Lorem ipsum dolor sit amet

Nextgym GmbH

Software implementation of the system logic
Integration of sensors and actuators for environment monitoring and control
Increase of energy efficiency and operational reliability
Technologies: ESP32, FreeRTOS, C/C++, Git, KiCad, MQTT

Feb 2025 - Present

1 year

Lorem ipsum dolor sit amet

A pleasure project

Building various test systems and prototypes
Development of all hardware and firmware
Consulting on IoT technologies
Technologies: NXP LPC845, Azure RTOS, C++, Git, BMS, KiCad

Dec 2024 - May 2025

6 months

Lorem ipsum dolor sit amet

Gasvisor GmbH

Development of additional prototypes
Implementation of embedded firmware
Technologies: nRF9151, Zephyr RTOS, C, Git, MQTT, IoT, LTE-M

Aug 2023 - Oct 2024

1 year 3 months

Lorem ipsum dolor sit amet

Gasvisor GmbH

Creation and setup of prototypes
Development of embedded firmware
Optimization of power consumption
Technical consulting
Technologies: nRF9160, Zephyr RTOS, C, Git, MQTT, IoT, LTE-M

Sep 2020 - Oct 2025

5 years 2 months

Munich, Germany

Embedded Software Developer

Mirion MGPI H&B GmbH

Embedded software development in C/C++ and MISRA-C on bare metal and RTOS for various TI microcontrollers and Xilinx Zynq 7000 SoC
Development and documentation according to functional safety standards (IEC 61508, IEC 61513, IEC 60880)
Development of PCBs for testing safety-critical components

Aug 2018 - Aug 2020

2 years 1 month

Feldkirchen-Westerham, Germany

Embedded Software Developer

Schraml GmbH

Embedded software development in C/C++ following clean code guidelines on Linux, Windows, and bare metal
Test driven development using the Google Test unit testing framework
Code analysis using code coverage and Valgrind
Design and manufacturing of 3D printed parts with FreeCAD

Oct 2015 - Aug 2016

11 months

Andernach, Germany

Working Student

Synthesizer Service Department, Inh. Achim Lenzgen

Maintenance and repair of high-end synthesizers

May 2015 - Jul 2018

3 years 3 months

Mülheim-Kärlich, Germany

Working Student

Laserline GmbH

Development of safety-critical shut-off systems according to DIN EN ISO 13849 on Lattice and Intel FPGAs in VHDL
Development of an EtherCAT gateway on PIC microcontroller in C
Development of software to test PCBs
Design of schematics for various prototypes using Pulsonix
Repair and manufacturing of PCBs with SMD components

Jul 2014 - Apr 2015

10 months