Yusuf Congar - Fullstack Developer

Q: Where is Yusuf based?

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

Q: What languages does Yusuf speak?

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

Q: How many years of experience does Yusuf have?

Yusuf has at least 12 years of experience. During this time, Yusuf has worked in at least 5 different roles and for 7 different companies . The average length of individual experience is 2 years and 9 months . Note that Yusuf may not have shared all experience and actually has more experience.

Q: What is Yusuf's latest experience?

Yusuf's most recent position is Fullstack Developer at LeiKon GmbH .

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

In recent years, Yusuf has worked for LeiKon GmbH , Elettronica GmbH via OEENG , and GVW / Fenris Group GmbH .

Q: Which industries is Yusuf most experienced in?

Yusuf is most experienced in industries like Information Technology (IT) , Automotive , and Transportation and Logistics . Yusuf also has some experience in Aerospace and Defense , Healthcare , and Manufacturing .

Q: Which business areas is Yusuf most experienced in?

Yusuf is most experienced in business areas like Product Development , Information Technology (IT) , and Production/Manufacturing . Yusuf also has some experience in Business Intelligence .

Q: Which industries has Yusuf worked in recently?

Yusuf has recently worked in industries like Information Technology (IT) and Aerospace and Defense .

Q: Which business areas has Yusuf worked in recently?

Yusuf has recently worked in business areas like Information Technology (IT) and Product Development .

Recommended expert

Würselen, Germany

Experience

Feb 2023 - Present

3 years 1 month

Fullstack Developer

LeiKon GmbH

Fullstack Developer
HMI/GUI development with Java/C++
Backend development with microservices (cluster architecture, Docker containers)
MQTT development
Development of software modules for BatchEngine
Deployment
Tools: Visual Studio 2005, Eclipse, C++, Java, GitLab, Docker, MySQL, MariaDB, Heidi

Mar 2022 - Jan 2023

11 months

Fullstack Developer

Elettronica GmbH via OEENG

Fullstack Developer
HMI/GUI development with WPF/MVVM
Backend development with microservices (cluster architecture, Docker containers)
Development of hardware interfaces from Keysight
Development of software modules for pan/tilt units & radar scans
Radar technology (Linux C++ development)
Deployment
Tools: Visual Studio, C#, C++, TeamCity, Git, Docker, MySQL, MariaDB, Heidi

Oct 2020 - Feb 2022

1 year 5 months

Fullstack Developer

GVW / Fenris Group GmbH

Fullstack Developer
HMI/GUI development with WPF
Backend development with microservices
Evaluate and process high-speed camera data
Tools: Visual Studio, C#, C++

Feb 2017 - Sep 2020

3 years 8 months

Employee in production and development

Continental AG

Shift/team leader in the cutting area
GUI development with WPF for data capture and analysis
Tools: Visual Studio, C#, C++

Sep 2016 - Mar 2017

7 months

Student assistant

RWTH Aachen

Development of a statistics tool in healthcare
Analysis of Excel data and visualization in charts
UI development for data entry
Tools: HTML, JavaScript, D3.js, jQuery Mobile

Sep 2016 - Feb 2017

6 months

Student Assistant

Pulsar Photonics GmbH

Development of plant software for controlling and automating ultrashort pulse lasers with scanning systems
HMI consisting of software modules
Process data collection and automation (plants, PLCs, controllers, fieldbus systems, sensors, actuators)
Interface development (TCP/IP, Modbus, REST, CAD/CAM, G-code)
Automation of mathematical solutions (interpolation, autofocus, correlation)
Image processing (correlation, edge detection, entropy)
Front-end development (WPF, MVVM, Windows Forms)
Back-end development (machine control, hardware, database integration)
Databases (SQL)
Use of hardware interfaces (RS232/RS485, I2C)
Tools: Visual Studio, .NET C#, C++, MS-SQL, Windows Forms, WPF, MySQL, OpenCV, AForge, Aerotech (G-code), Git, Beckhoff, ScanLab, IDS Camera, Heidenhain, Coherent Laser, Trumpf Laser, Atmel

Sep 2011 - Apr 2014

2 years 8 months

Software Developer

EDS Systemtechnik GmbH

Further development of a train number printer (Deutsche Bahn)
Requirements engineering (RetroFit)
Simulation software development in C#
Development of simulation software for ZNMD (internal)
Software planning and implementation
Recording long-term measurements
Front-end development in C++ with UI
Back-end development in C++ with interfaces and RS232
Further development of turnout monitoring software (Deutsche Bahn)
Back-end development with interface programming (RS232)
Front-end development in C++
Tools: Visual Studio, C++, MFC, Git

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 (4.5 years), Automotive (3.5 years), Transportation (2.5 years), Aerospace and Defense (1 year), Healthcare (0.5 years), and Manufacturing (0.5 years).

Information Technology

Automotive

Transportation

Aerospace and Defense

Healthcare

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 Product Development (12 years), Information Technology (8.5 years), Production (3.5 years), and Business Intelligence (0.5 years).

Product Development

Information Technology

Production

Business Intelligence

Skills

Digital Data Processing (It)/software Tools:

Operating System Windows: Very Good Knowledge
Operating System Mac Os X: Good Knowledge
Operating System Linux: Good Knowledge
Microsoft Office: Very Good Knowledge
Microsoft Visual Studio: Very Good Knowledge
Eclipse: Good Knowledge
Wireshark: Basic Knowledge
Xcode (Ios): Basic Knowledge
Xamarin: Good Knowledge
Maui: Basic Knowledge
Android Sdk: Good Knowledge
Python Ide: Good Knowledge
Git: Good Knowledge
Qt: Basic Knowledge
Halcon: Basic Knowledge
Mysql: Good Knowledge
Heidi: Good Knowledge
Mariadb: Good Knowledge
Sqlite: Good Knowledge
Entity Framework: Good Knowledge
Docker: Good Knowledge
Opencv: Good Knowledge
Mongodb: Basic Knowledge
Node.js: Basic Knowledge
Akka.net (Clustering): Good Knowledge

Project Management:

Scrum: Good Knowledge
Gantt Chart: Basic Knowledge

Software Development:

Scrum: Good Knowledge
Frontend Development: Very Good Knowledge
Backend Development: Very Good Knowledge
Embedded: Basic Knowledge
Iot: Basic Knowledge
Database Development: Good Knowledge
Software Architecture: Good Knowledge
Process Automation: Good Knowledge
Image Processing: Good Knowledge
Deployment: Good Knowledge
Unit Testing: Good Knowledge
Interfaces: Very Good Knowledge

Commands And Programming Languages:

C/c++: Very Good Knowledge
C#: Very Good Knowledge
Java: Good Knowledge
Javascript: Basic Knowledge
React: Good Knowledge
Typescript: Good Knowledge
Vb: Good Knowledge
Python: Basic Knowledge
Css/html: Good Knowledge
Asp.net: Good Knowledge
Xml: Good Knowledge
Xaml Wpf: Very Good Knowledge
Sql: Good Knowledge

Languages

German

Native

Turkish

Native

English

Advanced

Education

Sep 2011 - Feb 2014

BWV Aachen

Apprenticeship with IHK certificate · IT specialist in application development · Aachen, Germany

Sep 2008 - Feb 2011

Aachen University of Applied Sciences

Electrical Engineering / Computer Science · Aachen, Germany

Aug 2006 - Jun 2008

Mies van der Rohe Technical Secondary School, Aachen

Technical college entrance qualification · Aachen, Germany

...and 1 more

Certifications & licenses

Class B driver's license

IHK certificate as Application Developer

Profile

Created

August 2025

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Frequently asked questions

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

Where is Yusuf based?

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

What languages does Yusuf speak?

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

How many years of experience does Yusuf have?

Yusuf has at least 12 years of experience. During this time, Yusuf has worked in at least 5 different roles and for 7 different companies. The average length of individual experience is 2 years and 9 months. Note that Yusuf may not have shared all experience and actually has more experience.

What roles would Yusuf be best suited for?

Based on recent experience, Yusuf would be well-suited for roles such as: Fullstack Developer, Employee in production and development, Student assistant.

What is Yusuf's latest experience?

Yusuf's most recent position is Fullstack Developer at LeiKon GmbH.

What companies has Yusuf worked for in recent years?

In recent years, Yusuf has worked for LeiKon GmbH, Elettronica GmbH via OEENG, and GVW / Fenris Group GmbH.

Which industries is Yusuf most experienced in?

Yusuf is most experienced in industries like Information Technology (IT), Automotive, and Transportation and Logistics. Yusuf also has some experience in Aerospace and Defense, Healthcare, and Manufacturing.

Which business areas is Yusuf most experienced in?

Yusuf is most experienced in business areas like Product Development, Information Technology (IT), and Production/Manufacturing. Yusuf also has some experience in Business Intelligence.

Which industries has Yusuf worked in recently?

Yusuf has recently worked in industries like Information Technology (IT) and Aerospace and Defense.

Which business areas has Yusuf worked in recently?

Yusuf has recently worked in business areas like Information Technology (IT) and Product Development.

What is Yusuf's education?

Yusuf attended BWV Aachen for IT specialist in application development.

Does Yusuf have any certificates?

Yusuf has 2 certificates. These include: Class B driver's license and IHK certificate as Application Developer.

What is the availability of Yusuf?

Yusuf is immediately available full-time for suitable projects.

What is the rate of Yusuf?

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