Kai Neufeldt - Firmware Developer (GPS Receiver)

Q: Where is Kai based?

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

Q: What languages does Kai speak?

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

Q: How many years of experience does Kai have?

Kai has at least 21 years of experience. During this time, Kai has worked in at least 20 different roles and for 16 different companies . The average length of individual experience is 1 year and 11 months . Note that Kai may not have shared all experience and actually has more experience.

Q: What is Kai's latest experience?

Kai's most recent position is Firmware Developer (GPS Receiver) at Collins Aerospace .

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

In recent years, Kai has worked for Collins Aerospace , Miele , iMÁR / Ferchau , and Offshore Equipment .

Q: Which industries is Kai most experienced in?

Kai is most experienced in industries like Information Technology (IT) , Healthcare , and Energy . Kai also has some experience in Automotive , Aerospace and Defense , and Telecommunication .

Q: Which business areas is Kai most experienced in?

Kai is most experienced in business areas like Information Technology (IT) , Product Development , and Customer Service . Kai also has some experience in Research and Development (R&D) and Quality Assurance (QA) .

Q: Which industries has Kai worked in recently?

Kai has recently worked in industries like Aerospace and Defense , Information Technology (IT) , and Manufacturing .

Q: Which business areas has Kai worked in recently?

Kai has recently worked in business areas like Product Development , Information Technology (IT) , and Research and Development (R&D) .

Recommended expert

Ahrensburg, Germany

Experience

Apr 2024 - Dec 2024

9 months

Firmware Developer (GPS Receiver)

Collins Aerospace

Continued updates to NavHub GPS server firmware on ARM system
Developed embedded C/C++ code using Eclipse, embedded Linux, GCC
Implemented web UI with JavaScript/jQuery, PHP, CSS, HTML
Configured HTTPS/PKI setup using OpenSSL and Nginx

Mar 2023 - Aug 2023

6 months

Firmware Developer (GPS Receiver)

Collins Aerospace

Updated NavHub GPS server firmware using embedded C
Implemented web UI using JavaScript/jQuery, PHP, CSS, HTML
Tools: Eclipse, embedded Linux, GCC

Jun 2022 - Oct 2022

5 months

Firmware Developer (GNSS Receiver)

Collins Aerospace

Updated embedded GNSS server firmware (GPS/Galileo PRS) on ARM system running embedded Linux
Technologies: C++14, Eclipse, CSS, PHP, HTML, jQuery

Oct 2021 - Feb 2022

5 months

Embedded C++ Developer

Miele

Developed embedded C++ software for dishwasher control
Tools: C++14, Qt/QML, Visual Studio, CMake, domain-specific languages, JavaScript/JSON, gTest

Aug 2021 - Jun 2022

11 months

Developer (Database with Qt GUI)

iMÁR / Ferchau

Developed database application to store test results
Technologies: Qt5, C++14, SQL Server, SQLite

Jan 2021 - Mar 2021

3 months

Developer (Qt Port)

Offshore Equipment

Ported control software from Qt4 to Qt5 on new hardware
Added functionality and fixed bugs on embedded Linux

Oct 2020 - Nov 2020

2 months

Developer (Encryption Library Update)

ChartWorld

Updated proprietary encryption library replacing OpenSSL code

Dec 2019 - May 2020

6 months

Freelance C++ Developer (TMS Server)

SevenCs

Tested and debugged TileMapServer for nautical charts
Technologies: Linux, JMeter, C++, Qt, multithreading, sockets

Sep 2019 - May 2020

9 months

Freelance Qt/QML/JS, C++/C# Developer (Audiometer UI)

MAICO

Developed UI for a new audiometer using Qt, QML, JavaScript, C++, C#

Mar 2019 - May 2019

3 months

Developer (Encryption Library)

ChartWorld & SevenCs

Replaced OpenSSL calls with proprietary encryption methods for ENC encryption (IHO S-63 standard)
Implemented symmetric and asymmetric algorithms (Blowfish, DSA)
Developed unit tests using QTest

Feb 2018 - Sep 2018

8 months

Developer (GeoJSON Extension)

SevenCs GmbH

Developed GeoJSON extension for 7Cs WMS-Server (HTTP/WMS protocol)
Technologies: C++14, VC2013, GCC, Qt5.6, QtCreator, Nautilus and Ec2007 libraries, jMeter testscripts

Jun 2017 - Mar 2018

10 months

Developer (TileMapServer)

SevenCs GmbH

Developed TileMapServer and tile-generator tool (similar to Google Maps) on Linux and Windows
Technologies: C++14, Qt 5.6, SQLite, Nautilus-ECDIS-Toolkit

Sep 2016 - May 2017

9 months

Freelance QML/JS, Qt, C++ Developer

BAXI-Innotech

Fixed and enhanced GUI of a block heat and power plant on ARM/Linux embedded

Apr 2016 - Aug 2016

5 months

Hybrid

Freelance QML/JS, Qt, C++ Developer

Hycube Technologies

Enhanced GUI of a solar hybrid plant on embedded Linux using QML, JavaScript, SQLite

Jan 2016 - Mar 2016

3 months

Freelance QML/JS, Qt, C++ Developer

BAXI-Innotech

Fixed and enhanced GUI of a block heat and power plant on ARM/Linux embedded

Aug 2015 - Dec 2016

1 year 5 months

Remote

Freelance Developer (Microscope Control)

ORGA GmbH & University of Kiel

Developed PC application for remote control of a medical fluorescence microscope
Implemented automatic report generation
Designed database and set up server with PostgreSQL
Technologies: C#, C++, Qt 5.5

Jun 2015 - Jul 2015

2 months

Freelance C Developer (Bare Metal)

Pfankuch Solutions

Performed bare metal programming on Freescale 68HC12 microcontroller
Modified firmware of a labeling machine

Nov 2014 - Feb 2015

4 months

Freelance Qt-Widgets / C++ Developer (Medical Device GUI)

MAICO

Supported GUI development of a new tympanometer running Windows CE

Aug 2013 - Sep 2014

1 year 2 months

Freelance Qt / C++ Developer (WMS Server)

SevenCs

Developed server software for online representation of sea charts implementing WMS protocol (Linux/Windows)
Used Qt4.8 for threads and networking, 7Cs ECDIS-Kernel for chart rendering
Developed library to render DTED data as overlay/background
Implemented GUI with HTML and JavaScript

Sep 2011 - Mar 2013

1 year 7 months

Freelance C++ Developer (BMW Infotainment)

Neusoft (formerly Harman Becker)

Developed automotive navigation systems for BMW dashboard and head-up displays over MOST Bus
Detected and fixed bugs in TextToSpeech and other modules
OS: Embedded Linux (Wind River), QNX; Framework/Middleware: MoCCA

Feb 2011 - Sep 2011

8 months

Freelance Qt / C++ Developer (GUI Spectrum Analyser)

Rhode & Schwarz

Redesigned GUI of a high-end spectrum analyser for touchscreen operation
Polished R&S look and feel by replacing QtGui widgets with custom R&S widgets
Technologies: Embedded Windows, Qt library extensions, COM, R&S libraries

Oct 2009 - Dec 2010

1 year 3 months

Freelance C++/Qt Developer (ENC Server)

ChartWorld

Customized ENC Server Suite software to ChartWorld workflow
Adapted ENC Server to changes in online shop servers

Jun 1999 - Aug 2009

10 years 3 months

Qt / C++ Developer

SevenCs / ChartWorld

Defined specifications for tools and components for professional offshore navigation (ECDIS systems) and creation of Electronic Navigation Charts (ENCs)
Developed code using C++, Qt, SQL, XML, HTML
Developed and improved numerical and geometry algorithms
Prepared setup, installation, user guides, source documentation; provided customer training and support

Projects:

Data Format Converters: DXF Converter (CAD to S-57/SENC), NTX Converter (GIS to S-57/SENC), converters for exotic formats (GAF, TRANSAS-SENC)
ENC Viewer: multiplatform application (Windows, Linux) using C++/Qt and 7Cs-EcKernel library
ENC Server Suite: client-server applications for editing S-57 Exchange Sets, creating exchange sets (S-57, S-63, proprietary), encrypting ENCs (IHO S-63 and proprietary), generating customer keys, creating online shop metadata, processing large datasets (~10000 files)
Image Enhancement for Vector Data: applications for automatic error correction, performance and readability improvements, data generalization for various display scales

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 Information Technology (15 years), Healthcare (2.5 years), Aerospace and Defense (1.5 years), Energy (1.5 years), Automotive (1.5 years), and Manufacturing (0.5 years).

Information Technology

Healthcare

Aerospace and Defense

Energy

Automotive

Manufacturing

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 Information Technology (21 years), Product Development (20.5 years), Customer Service (10 years), Research and Development (1.5 years), and Quality Assurance (0.5 years).

Information Technology

Product Development

Customer Service

Research and Development

Quality Assurance

Skills

Application Development
Programming Languages: C And C++, C++17 (C++20)
Qt (Version 1.3 – 5.12) Gui Development
Operating Systems: Linux, Windows, Windows Ce (Some Qnx, Very Little Android)
Ides: Ms Developer Studio (Visualc), Qtcreator, Eclipse, Gcc, Make, Qmake
Basic Knowledge Of Java, Android Development, Javascript/html/css
C#/managed-c++/.net (Primarily A C++ Developer)
Setup Tools: Rpm, Wise
Version Control Systems: Cvs, Git, Subversion, Clearcase
Sql: Mysql, Postgresql, Sqlite And Their Apis (E.g. Mysql++), Design Of Relational Databases
Xml, Dom, Tcp/ip, Http
Cms: Wordpress, Joomla (Hobby Knowledge)
Vector File Formats: S-57, Dxf, Ntx
Cryptography: Encryption, Copy Protection, Iho S-63 Standard, General Encryption Standards
Openssl (C And Bash), Basic Webserver Configuration
Client-server Programming, Multithreading, Socket Programming
Basic Administration Of Vm-ware And Virtualbox
Enc / Ecdis Libraries: 7cs Ecdis-kernel And Nautilus-kernel
Developing Numerical Algorithms
Basic Knowledge In Real-time And Bare Metal Programming
.Net: C# And C++/cli (No .Net Ui)
Html, Xml, Dom, Tcp/ip, Http, Js, Php
Xml Vector Formats
Basic Administration Of Vmware And Virtualbox
Knowledge (From Studies) In Pascal, Fortran77, Visual Basic, Oracle, Dos, Os/2, Assembler
Mechanical Engineering
Electronics
Optics
Chemistry
Materials Science
Mathematics
Medicine
Manufacturing Technologies

Languages

German

Native

Arabic

Advanced

English

Advanced

Education

Nov 1993 - Nov 1995

FH Lübeck

Engineer for Biomedical Engineering · Biomedical Engineering · Lübeck, Germany

Nov 1987 - Nov 1991

FH Wedel

Engineer for Applied Physics · Applied Physics · Wedel, Germany

Oct 1983 - Mar 1986

PTL Wedel

Engineering Assistant for Applied Physics, polytechnic entrance qualification · Applied Physics · Wedel, Germany

Profile

Created

August 2025

Last Update

September 2025

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Frequently asked questions

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

Where is Kai based?

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

What languages does Kai speak?

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

How many years of experience does Kai have?

Kai has at least 21 years of experience. During this time, Kai has worked in at least 20 different roles and for 16 different companies. The average length of individual experience is 1 year and 11 months. Note that Kai may not have shared all experience and actually has more experience.

What roles would Kai be best suited for?

Based on recent experience, Kai would be well-suited for roles such as: Firmware Developer (GPS Receiver), Firmware Developer (GNSS Receiver), Embedded C++ Developer.

What is Kai's latest experience?

Kai's most recent position is Firmware Developer (GPS Receiver) at Collins Aerospace.

What companies has Kai worked for in recent years?

In recent years, Kai has worked for Collins Aerospace, Miele, iMÁR / Ferchau, and Offshore Equipment.

Which industries is Kai most experienced in?

Kai is most experienced in industries like Information Technology (IT), Healthcare, and Energy. Kai also has some experience in Automotive, Aerospace and Defense, and Telecommunication.

Which business areas is Kai most experienced in?

Kai is most experienced in business areas like Information Technology (IT), Product Development, and Customer Service. Kai also has some experience in Research and Development (R&D) and Quality Assurance (QA).