Embedded Systems Architect | Industrial Communication & Device Retrofit and Modernization | Linux, RTOS | 20+ Years

1/2007 – 6/2020

- software-/firmware-development
- for different ARM-platforms , e.g. Cortex-M0/3/4 on STM32 or Atmel running FreeRTOS, RIOT-OS and Linux
- for Intel X86 running embedded Linux and Linux
- with C++ and C (mainly GNU), Java and scripting languages like bash or python
- driver developement for flash-devices, accelerometers, ADCs, LC-displays and other sensors
- UART, SPI, I²C, IrDA, Ethernet, CAN and others as communication interfaces
- GUI-development with emWin, Qt, Java-Swing and some simple web-frameworks
- development of EtherNet/IP and DeviceNet devices and applications
-- EtherNet/IP interface for port-statistics of a managed-switch running Linux (Pyramid stack)
-- EtherNet/IP gateway for a methane-sensor attached via RS-485 (Pyramid stack)
-- DeviceNET firmware for FreeRTOS device for gearbox speed- and direction measurement (Pyramid stack)
-- Java-wrapper for Pyramid EtherNet/IP stack
-- real-time data logger on Linux using EtherNet/IP explicit-messaging
-- devices compatible with Rockwell PLC/SPS
- development of HMI-board - 3 microcontrollers - for a new generation of roof-support controls
- realtime application development
- wireless embedded development with RIOT-OS and 802.15.4/6LoWPAN
- development for Raspberry Pi based test- and R&D-equipment with WiringPi, Pi4J and shell
- Matlab/Simulink generated HiL with EtherLab/Linux and Beckhoff EtherCAT-terminals
- development of a distributed sensor-system (FreeRTOS, STM32)
- Linux evangelist and enthusiast

Automatisierungstechnik (allg.), C++, C (Programmiersprache), Embedded Entwicklung / hardwarenahe Entwicklung, Embedded Linux, Linux Entwicklung, Linux (Kernel), Software Architecture, SQL, STM32, Swing (Java)

8/2002 – 12/2006

- JEE server applications with Siemens Bean/TA and Websphere Application Server
- Swing GUI applications
- integration of legacy C++ systems into new JEE world
- implemented a Single-Signon (SSO) and identity management infrastructure based on IBM Tivoli products
- LDAP based development
- DB2, Oracle and SQLServer as database backends

ApplicationServer, IBM DB2, IBM WebSphere Application Server (WAS), Java (allg.), Java Database Connectivity, JavaScript, Linux Einführung, Oracle Database, SQL, Swing (Java), Visual C++

9/2000 – 4/2002

- development for embedded Linux and Redhat eCos with GNU C/C++
- eCos porting onto self developed hardware
- I2C, chip card, camera, FPGA, flash
- user and developer manuals
- team leader of hard- and software developers

ARM-Architektur, Atmel Microchip Technologie, C++, C (Programmiersprache), Linux Entwicklung

2/1998 – 8/2000

- Linux specialist
- Java development
- SQL database persistence layer/OR mapper and application development
- communication software development
- web framework development
- patch system/system management software development

Java Database Connectivity, SQL, SQL Entwickler, Java (allg.), XML