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Recommended expert

Nuremberg, Germany

Experience

May 2023 - Present

2 years 10 months

Senior Software Developer

TT4 GmbH

Technical leadership and development of an Ionic Angular app for iOS and Android.
Further development of a time tracking system with Angular and .NET.
Development of enterprise software focused on TDD, Angular, .NET, and Entity Framework.

Sep 2019 - Apr 2023

3 years 8 months

Managing Director / CTO

mucByte

Leadership and implementation of software projects for clients in different industries.
Development of technical concepts and scalable architectures for custom business solutions.
Management of an international development team and ensuring code quality and meeting deadlines.
Planning and implementation of software solutions for process automation and digitization.

Sep 2019 - Nov 2022

3 years 3 months

Software Developer .NET

G&W Software AG

Development and maintenance of enterprise software for construction cost estimation using C#, WPF, and MVVM.
Design and implementation of relational databases with Microsoft SQL Server.
Design and implementation of business logic for process automation and performance optimization.

Dec 2017 - Aug 2019

1 year 9 months

Software Developer .NET

InLoox GmbH

Development and enhancement of a project management software using C#, WinForms, and .NET.
Implementation of database structures and business logic to optimize workflows.
Maintenance of software releases and quality assurance through testing and code reviews.
Second – Third -Level Support.

Dec 2015 - Nov 2017

2 years

Software Developer .NET

Media-Concept Bürobedarf GmbH

Development and maintenance of an inventory management system using WPF, MVVM, and C#.
Implementation of web applications with ASP.NET MVC and integration of external interfaces (SOAP, REST).
Analysis and restructuring of databases to improve efficiency and performance.
First – Second-Level Support.

Sep 2012 - Jul 2015

2 years 11 months

Apprentice IT Specialist - System Integration

Nemetschek Allplan Systems GmbH

Planning, implementing, and maintaining IT infrastructures and network systems.
Analyzing and solving technical issues in server and network environments.
Collaborating on IT projects and supporting the rollout of new systems.

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 (11 years), Construction (3 years), and Retail (2 years).

Information Technology

Construction

Retail

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 (13 years), Project Management (6.5 years), Product Development (5.5 years), and Quality Assurance (1.5 years).

Information Technology

Project Management

Product Development

Quality Assurance

Summary

8+ years of experience in software development
Experienced in leading and coordinating development teams.
Specialized in .NET, C#, modern web technologies, and cloud architectures.
Focused on scalable solutions, clean code, and high-performance systems.
Experienced in agile methods, DevOps, CI/CD, and Docker.

Skills

Mssql
Asp.net
C#
Angular
Javascript
Docker
Ionic
Software Development
.Net
Team Leadership
Wpf

Languages

German

Advanced

Profile

Created

March 2025

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Frequently asked questions

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

Where is Stefan based?

Stefan is based in Nuremberg, Germany.

What languages does Stefan speak?

Stefan speaks the following languages: German (Advanced).

How many years of experience does Stefan have?

Stefan has at least 13 years of experience. During this time, Stefan has worked in at least 4 different roles and for 6 different companies. The average length of individual experience is 2 years and 2 months. Note that Stefan may not have shared all experience and actually has more experience.

What roles would Stefan be best suited for?

Based on recent experience, Stefan would be well-suited for roles such as: Senior Software Developer, Managing Director / CTO, Software Developer .NET.

What is Stefan's latest experience?

Stefan's most recent position is Senior Software Developer at TT4 GmbH.

What companies has Stefan worked for in recent years?

In recent years, Stefan has worked for TT4 GmbH, mucByte, and G&W Software AG.

Which industries is Stefan most experienced in?

Stefan is most experienced in industries like Information Technology (IT), Construction, and Retail.

Which business areas is Stefan most experienced in?

Stefan is most experienced in business areas like Information Technology (IT), Project Management, and Product Development. Stefan also has some experience in Quality Assurance (QA).

Which industries has Stefan worked in recently?

Stefan has recently worked in industries like Information Technology (IT) and Construction.

Which business areas has Stefan worked in recently?

Stefan has recently worked in business areas like Information Technology (IT), Product Development, and Project Management.

What is the availability of Stefan?

Stefan is immediately available for suitable projects.

What is the rate of Stefan?

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