Siegfried Kamlah - Embedded software development for a crane control system

Q: Where is Siegfried based?

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

Q: What languages does Siegfried speak?

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

Q: How many years of experience does Siegfried have?

Siegfried has at least 11 years of experience. During this time, Siegfried has worked in at least 10 different roles and for 1 company . The average length of individual experience is 1 year and 1 month . Note that Siegfried may not have shared all experience and actually has more experience.

Q: What is Siegfried's latest experience?

Siegfried's most recent position is Embedded software development for a crane control system at Freelancer .

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

In recent years, Siegfried has worked for Freelancer .

Q: Which industries is Siegfried most experienced in?

Siegfried is most experienced in industries like Manufacturing , Aerospace and Defense , and Telecommunication . Siegfried also has some experience in Information Technology (IT) .

Q: Which business areas is Siegfried most experienced in?

Siegfried is most experienced in business areas like Product Development , Quality Assurance (QA) , and Information Technology (IT) . Siegfried also has some experience in Production/Manufacturing .

Q: Which industries has Siegfried worked in recently?

Siegfried has recently worked in industries like Manufacturing and Aerospace and Defense .

Q: Which business areas has Siegfried worked in recently?

Siegfried has recently worked in business areas like Product Development , Quality Assurance (QA) , and Information Technology (IT) .

Recommended expert

Braunschweig, Germany

Experience

Jan 2023 - Dec 2025

3 years

Embedded software development for a crane control system

Freelancer

Creating firmware in C based on FreeRTOS
Creating unit tests in C++
Creating test programs in Python
Creating documentation

Jan 2022 - Dec 2023

2 years

Development of a HIL test bench for fully automatic coffee machines

Freelancer

Creating a concept for the HIL test bench
Creating the schematics
Creating the layouts
Creating manufacturing documentation
Developing firmware for the PSoC5 microcontroller in the HIL test bench
Creating test programs on the test computer
Creating documentation

Jan 2021 - Dec 2021

1 year

Braunschweig, Germany

Schematic design and assembly of a partial wiring harness for an MTO Sport autogyro

Freelancer

Creating the schematic for the radio equipment
Building the wiring harness
Installing into an autogyro

Jan 2020 - Dec 2022

3 years

Further development of a HIL test bench for refrigeration units

Freelancer

Creating the schematics
Creating the layouts
Creating the manufacturing documentation for the boards
Creating firmware for the microcontroller in the HIL test bench
Creating driver programs on the test computer
Creating documentation

Jan 2020 - Dec 2020

1 year

Braunschweig, Germany

Layout design of control boards for commercial kitchen equipment

Freelancer

Selecting components according to specifications
Creating the schematics
Creating the layout for multilayer boards
Creating the manufacturing documentation
Testing prototypes
Creating documentation

Jan 2018 - Dec 2020

3 years

Braunschweig, Germany

Development of avionics software for a drone

Freelancer

Creating all documentation for software development according to DO-178C
Defining software development processes according to DO-178C
Implementing requirements into the avionics software
Implementing the avionics software using the ANSYS SCADE development environment

Jan 2016 - Dec 2018

3 years

Hanover, Germany

Development of a glass cockpit with a head-up display for ultralight aircraft

Freelancer

Selecting the required components
Creating circuit schematics
Creating PCB layouts
Preparing manufacturing documents
Testing prototypes
Installing it in an autogyro
Designing the software architecture following DO-178

Jan 2016 - Dec 2017

2 years

Design of a radio repeater for home automation

Freelancer

Creating the concept
Developing the firmware
Creating documentation

Jan 2016 - Dec 2017

2 years

Conversion of firmware for home automation components

Freelancer

Converting firmware from a Mircochip controller to an STM32
Developing a bootloader
Developing the firmware
Creating documentation

Jan 2015 - Dec 2015

1 year

Development of parts of the firmware for an induction kettle

Freelancer

Creating the control software
Creating firmware for the capacitive user interface
Creating documentation

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Manufacturing (7 years), Aerospace and Defense (6 years), Telecommunication (2 years), and Information Technology (2 years).

Manufacturing

Aerospace and Defense

Telecommunication

Information Technology

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Product Development (11 years), Quality Assurance (8 years), Information Technology (6 years), and Production (1 year).

Product Development

Quality Assurance

Information Technology

Production

Summary

Independent electrical engineer with over 35 years of experience in embedded systems development, digital hardware and microcontroller programming. Industry focus: industrial automation, automotive technology, IoT and aerospace. Strong sense of ownership, fast ramp-up, and on-time project execution.

Skills

Hardware: Circuit Design And Pcb Layout With Kicad And Altium, Emc-compliant Design
Microcontrollers: Stm32, Raspberry Pico, Arm Cortex
Software: Embedded C/c++, Freertos, Zephyr, Python, Linux, Git, Jenkins
Interfaces: Spi, I2c, Uart, Can, Usb, Ethernet
Industries: Aerospace, Industrial Automation, Automotive

Languages

German

Native

English

Advanced

Education

Oct 1985 - Mar 1991

Technical University of Braunschweig

Diploma in Electrical Engineering · Electrical Engineering · Braunschweig, Germany · good

Aug 1982 - Jul 1984

Rodenberg

Radio and Television Technician · Wolfsburg, Germany

Certifications & licenses

Introduction To Zephyr OS

Expert C Techniques To Master Baremetal Programming

SOLID Principles For Embedded Design

RTOS Best Practices Workshop

Ultralight Aircraft License (Luftsportgeräteführerschein)

Introduction To DO-178C

Project Management Intensive Seminar

Design Of Experiments (DOE) - Techniques According To Taguchi And Shanon

CAN Bus In Vehicles

Mechatronics In Automobiles

CAN Seminar

PSpice Basic Course

Software-Supported FMEA With IQ-FMEA

Unix: System Administration And Network Integration

Driver's License Categories A, B, BE, C1, C1E, CE

Profile

Created

August 2025

Last Update

January 2026

Need a freelancer? Find your match in seconds.

Try FRATCH GPT

Frequently asked questions

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

Where is Siegfried based?

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

What languages does Siegfried speak?

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

How many years of experience does Siegfried have?

Siegfried has at least 11 years of experience. During this time, Siegfried has worked in at least 10 different roles and for 1 company. The average length of individual experience is 1 year and 1 month. Note that Siegfried may not have shared all experience and actually has more experience.

What roles would Siegfried be best suited for?

Based on recent experience, Siegfried would be well-suited for roles such as: Embedded software development for a crane control system, Development of a HIL test bench for fully automatic coffee machines, Schematic design and assembly of a partial wiring harness for an MTO Sport autogyro.

What is Siegfried's latest experience?

Siegfried's most recent position is Embedded software development for a crane control system at Freelancer.

What companies has Siegfried worked for in recent years?

In recent years, Siegfried has worked for Freelancer.

Which industries is Siegfried most experienced in?

Siegfried is most experienced in industries like Manufacturing, Aerospace and Defense, and Telecommunication. Siegfried also has some experience in Information Technology (IT).

Which business areas is Siegfried most experienced in?

Siegfried is most experienced in business areas like Product Development, Quality Assurance (QA), and Information Technology (IT). Siegfried also has some experience in Production/Manufacturing.

Which industries has Siegfried worked in recently?

Siegfried has recently worked in industries like Manufacturing and Aerospace and Defense.

Which business areas has Siegfried worked in recently?

Siegfried has recently worked in business areas like Product Development, Quality Assurance (QA), and Information Technology (IT).

What is Siegfried's education?

Siegfried attended Technical University of Braunschweig for Electrical Engineering.

Does Siegfried have any certificates?

Siegfried has 15 certificates. Among them, these include: Introduction To Zephyr OS, Expert C Techniques To Master Baremetal Programming, and SOLID Principles For Embedded Design.

What is the availability of Siegfried?

Siegfried is immediately available full-time for suitable projects.

What is the rate of Siegfried?

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