Wilhelm Hitzler - Embedded Software Developer

Q: Where is Wilhelm based?

Wilhelm is based in Munich, Germany and can operate in on-site , hybrid , and remote work models.

Q: What languages does Wilhelm speak?

Wilhelm speaks the following languages: German (Native), English (Advanced) .

Q: How many years of experience does Wilhelm have?

Wilhelm has at least 30 years of experience. During this time, Wilhelm has worked in at least 7 different roles and for 7 different companies . The average length of individual experience is 2 years and 2 months . Note that Wilhelm may not have shared all experience and actually has more experience.

Q: What is Wilhelm's latest experience?

Wilhelm's most recent position is Embedded SW Developer at ASMPT GmbH .

Q: What companies has Wilhelm worked for in recent years?

In recent years, Wilhelm has worked for ASMPT GmbH and GiN GmbH .

Q: Which industries is Wilhelm most experienced in?

Wilhelm is most experienced in industries like Telecommunication , Aerospace and Defense , and Manufacturing . Wilhelm also has some experience in Automotive and Information Technology .

Q: Which business areas is Wilhelm most experienced in?

Wilhelm is most experienced in business areas like Product Development , Quality Assurance , and Information Technology .

Q: Which industries has Wilhelm worked in recently?

Wilhelm has recently worked in industries like Manufacturing , Automotive , and Information Technology .

Q: Which business areas has Wilhelm worked in recently?

Wilhelm has recently worked in business areas like Product Development and Information Technology .

Recommended expert

Munich, Germany

Experience

Jan 2026 - Apr 2026

4 months

Munich, Germany

Embedded SW Developer

ASMPT GmbH

Ethernet driver
SPI/I2C driver
FTP/Telnet
SW update
Pinning: assignment of hardware pins to system components

Nov 2024 - Dec 2025

1 year 2 months

Munich, Germany

Embedded SW Developer

ASMPT GmbH

Driver for controlling the 4 media converters of the link aggregator via bit-banging
Driver for controlling an EEPROM on the control board via SPI
Application layer for configuring the link aggregator
Continuous monitoring of specific link aggregator parameters
CAN bus interface with control commands for setting/retrieving link aggregator parameters

Aug 2022 - Oct 2024

2 years 3 months

Munich, Germany

Embedded SW Developer

ASMPT GmbH

Evaluation of connecting Microchip switch KSZ9477 to NXP RT1170
Implementation of the KSZ9477 driver layer with SPI control
Development of an application layer for controlling the KSZ9477

Oct 2021 - Jul 2022

10 months

Munich, Germany

Embedded SW Developer

ASMPT GmbH

Porting the Micrium operating system to a 1176 board based on an existing RT1064 port using C and C++
Updating existing SPI, UART, and flash drivers
Creating unit tests for these drivers

Oct 2020 - Sep 2021

1 year

Griesheim, Germany

Embedded SW Developer

GiN GmbH

Development of a bootloader for Cortex-M3
Development of an updater for FPGA
Application software for CAN bus tracing
Development of proprietary protocols

Nov 2019 - Jan 2020

3 months

Munich, Germany

Test Automation

MicroSys GmbH

Developed a Tcl/Tk program for automated production testing of NXP boards
Tested DRAM, NAND, I2C, SPI, EEPROM, and temperature sensors
Implemented boot tests using SD card and QSPI
Booted Linux and performed basic Ethernet tests

Jul 2015 - Oct 2019

4 years 4 months

Munich, Germany

Embedded Software Development

Rohde & Schwarz

Programmed a port for Xilinx Artix7 FPGA for the FeeRTOS operating system in C
Designed and programmed an SCPI command interpreter according to IEEE-482.5 and SCPI-99
Created a serial interface
Integrated the lwIP stack and driver for Ethernet chip
Created application tasks for Telnet terminals
Created a syslog daemon for logging system states according to RFC5424
Developed interface tests for the antenna in Python
Created a task to monitor threshold values
Implemented an HTTP server for online monitoring
Implemented a bootloader
Developed an interface for inter-processor communication between two Xilinx Microblaze cores using streams
Ported an X.25 stack to FreeRTOS for inter-processor communication
Driver for antenna communication to radios over RCB bus

Jul 2013 - Jun 2015

2 years

Munich, Germany

Test Automation

Rohde & Schwarz

Automated tests and performed testing in the test center with Visual Studio
Developed in C++ and C# for various waveforms and platforms

Jul 2011 - Jun 2013

2 years

Munich, Germany

Developer

Rohde & Schwarz

Ported an existing DSP application (100000 LOC) to Texas Instruments 64x000 DSP platform
Adapted drivers for signal processing and communication with the main processor

Apr 2007 - Jun 2011

4 years 3 months

Munich, Germany

Tester / Test Automation

Rohde & Schwarz

Integration testing and debugging of a military radio, especially IP-based waveforms
Responsible for integration testing of IP-based waveforms
Automated tests with Visual Studio 6 and Visual Studio in C++ and C# within the proprietary Testcenter framework

Jan 2005 - Mar 2007

2 years 3 months

Munich, Germany

Head of Platform Acceptance Test

Siemens / Nokia Siemens

Integration test of the Radio Network Controller (RNCi) for UMTS
Maintenance of the trace concept in the architecture team from the perspective of Entity Integration Test (EIT)
Creation of requirements and negotiation with Japanese partners
Collaboration in execution and verification of cell setup, Mobile Originated Call (MOC) CS and PS, MTC, and HSDPA
Execution and automation of the platform software entry test

Jun 2003 - Dec 2004

1 year 7 months

Munich, Germany

Developer

Siemens ICN Transport division

Responsible system developer for the DTC cards IF10GB (10 Gbit) and IFQ2G5B (4x2.5 Gbit) of the hiT7070 system R3
Adaptation of the ASIC interface to the Agere TSOT1610G

Jan 2002 - May 2003

1 year 5 months

Munich, Germany

Developer

Siemens ICN Transport division

Development of system software for SDH multiplexers
Defect correlation and TTI processing for components of the hiT7070 system R1, IFS10G and IFQ2G5
Development under Embedded Real-Time Linux (RTAI) using C++ and C

Apr 1995 - Dec 2001

6 years 9 months

Munich, Germany

Developer / Tester

Siemens ICN ÖN TR

Integration and system test of SDH multiplexers (SM1/4, SL16, SMA16 V1, V2)
Specification and execution of tests on Sun Solaris and Windows NT
Embedded controller tests
Testing the object-oriented database (Objectivity-DB)
Functional tests
Tests and signal tests in equipment management, fault management, performance management, and software upgrade

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Telecommunication, Aerospace and Defense, Manufacturing, Automotive, and Information Technology.

Telecommunication

Aerospace and Defense

Manufacturing

Automotive

Information Technology

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Product Development, Quality Assurance, and Information Technology.

Product Development

Quality Assurance

Information Technology

Summary

I have over 25 years of professional experience in embedded software development and test automation. I have built drivers, ported operating systems, and implemented communication protocols for varied platforms in industries such as telecommunications and industrial automation. My work spans low-level hardware interactions, custom bootloaders, and efficient testing systems ensuring product reliability.

I focus on delivering robust solutions by writing clear, efficient code in C and C++ while continuously improving functionalities and interfaces. I value precision and quality, and I consistently develop and verify systems that meet rigorous standards.

Skills

C, C++
Python, Tcl/tk
Real-time Operating Systems
Embedded Development / Close-to-hardware Development
Embedded Linux
Freertos, Micrium, Vxworks
Microsoft Access
Sql
Test Automation
Test Design (It)

Languages

German

Native

English

Advanced

Education

Oct 1983 - Jun 1987

Diploma in Computer Science (University of Applied Sciences) · Computer Science · Munich, Germany

Statistics

Experience

Total positions 14

Experience in Telecommunication 20 y

Avg length 2 y 1 m

Longest experience 6 y 8 m

Global Experience

Countries worked in 1 (Germany)

Primary country Germany

Expertise

Recent roles Embedded SW Developer, Test Automation, Embedded Software Development

Main industries Telecommunication, Aerospace and Defense, Manufacturing

Main business areas Product Development, Quality Assurance, Information Technology

Profile

Created

April 2026

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Wilhelm based?

Wilhelm is based in Munich, Germany and can operate in on-site, hybrid, and remote work models.

What languages does Wilhelm speak?

Wilhelm speaks the following languages: German (Native), English (Advanced).

How many years of experience does Wilhelm have?

Wilhelm has at least 30 years of experience. During this time, Wilhelm has worked in at least 7 different roles and for 7 different companies. The average length of individual experience is 2 years and 2 months. Note that Wilhelm may not have shared all experience and actually has more experience.

What roles would Wilhelm be best suited for?

Based on recent experience, Wilhelm would be well-suited for roles such as: Embedded SW Developer, Test Automation, Embedded Software Development.

What is Wilhelm's latest experience?

Wilhelm's most recent position is Embedded SW Developer at ASMPT GmbH.

What companies has Wilhelm worked for in recent years?

In recent years, Wilhelm has worked for ASMPT GmbH and GiN GmbH.

Which industries is Wilhelm most experienced in?

Wilhelm is most experienced in industries like Telecommunication, Aerospace and Defense, and Manufacturing. Wilhelm also has some experience in Automotive and Information Technology.

Which business areas is Wilhelm most experienced in?

Wilhelm is most experienced in business areas like Product Development, Quality Assurance, and Information Technology.

Which industries has Wilhelm worked in recently?

Wilhelm has recently worked in industries like Manufacturing, Automotive, and Information Technology.

Which business areas has Wilhelm worked in recently?

Wilhelm has recently worked in business areas like Product Development and Information Technology.

What is Wilhelm's education?

Wilhelm attended education in Computer Science.

What is the availability of Wilhelm?

Wilhelm will be available full-time from June 2026.

What is the rate of Wilhelm?

Wilhelm's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.