Software engineer.

7/2019 – 11/2019

* Developed new features and optimized existing in the multi-threading environment.
* Developed data distribution back-end for cluster ready filesystem configuration.
* Developed proprietary authorization protocol for data access permission.
* Implemented disk data access scheduler.
* Integrated new features into existing system.
* Cooperation on changes in GUI.
* 1st, 2nd and 3rd level technical support for selected business customer.

Big Data, Embedded Linux, Kryptographie, Software Design, C++, Git, Jenkins, Jira, Perl, Json

7/2013 – 5/2019

The main goal is developing the bills recycling control system.
Research for an effective controlling of servos, using light gates, moving and distance sensors.
A bare metal programming of drivers for devices like: EEPROM over SPI,
PWM controlled motors and LEDs, DMA and other diverse on SoC devices:
Linux modules for AM335x ARM Cortex-A8,
No-OS system for AT91SAM7x256 ARM7TDMI.
Developing diverse software and tools for Linux.
Implementation of communication and encryption protocols, like ccTalk, MDB, DES, propietary one.

Rtlinux, Extreme Programming, ARM-Architektur, UML, C, C++, Docker, Firmware, Git, Jenkins, Perl

10/2010 – 6/2013

Management of internet services like SSH, DNS, SVN, HTTP.
Recovery of data and operating systems after a hard disks failures.
Recovery data from media cards (SD, FD, MM) after corruption.
Design of internet pages.
A technical staff and support in diverse IT disciplines.

Server Administration, IT-Support (allg.), Back up / Recovery, SSH (Secure Shell), WLAN (Wireless Local Area Network), Ajax, Dynamisches HTML

11/2001 – 10/2009

Software architecture design for the navigation system.
Build the cross development environment for developing navigation system.
Developing a boot loader, Linux kernel modules and libraries for the run-time environment of the navigation devices.
Design the no-SQL GIS database for embedded devices.
Developing modules for Bluetooth hands free talk device with speech recognition future.
Requirements for the telematic system.

Big Data, B-Baum / B-Tree, Embedded Linux, Linux (Kernel), Slackware, Agile Methodologie, Extreme Programming, ARM-Architektur, Assemblersprache, Sed (Programming Language), Bash Shell, C, Latex, Linux Entwicklung, Make (Software), GPS

7/1999 – 10/2001

Technical requirements for the mobile navigation.
Research and developing tools, the developing and run-time environment.
Developing modules for Linux for SoC (Geode).

Embedded Entwicklung / hardwarenahe Entwicklung, Linux (Kernel), Subversion, C++

11/1994 – 12/1996

Mounting of the electric, automatic, comfort, monitoring and multimedia installations.
Technical staff for industrial equipment and check instruments.

UE (User Equipment), Automatisierungstechnik (allg.), Elektrotechnik

9/1992 – 4/1994

* Researched for new solutions for replace old technologies.
* Developed, improved of the control and monitoring equipments.
* Repaired defected sensors, actuators and control modules.
* Programmed control modules for production devices.

Automatisierungstechnik (allg.), Elektrotechnik, Anlagen-Engineering, Hydraulik, Pneumatik, Mess-, Steuerungs- und Regelungstechnik (MSR- / EMSR-Technik), Regelungstechnik / Steuerungstechnik

7/1989 – 3/1990

* Take care of the technical infrastructure of production line in three-shift work.
* Emergency repairs and services of controlling and monitoring equipment and servomechanisms worked in extreme environments.

Automatisierungstechnik (allg.), Analogelektronik, Techniker (allg.), Mess-, Steuerungs- und Regelungstechnik (MSR- / EMSR-Technik), Automation Anywhere, Drucklufttechnik