Stefan Brueck

is looking for freelance projects. 🔎

Selbstständig, Senior Software Engineer / Consultant, Vionix Consulting
Samut Prakan, Thailand

Fähigkeiten und Kenntnisse

Software Development
Debugging
Troubleshooting
SQL
System Integration
Software Architecture
Refactoring
DevOps
Performance Tuning
Consulting

Werdegang

Berufserfahrung von Stefan Brueck

  • Bis heute 2 Monate, seit Feb. 2026

    Senior Software Engineer / Consultant

    Vionix Consulting

    Independent senior software engineer focused on legacy rescue, cleanup, and modernization. Typical work includes diagnosing hard production issues, stabilizing builds and releases, integration troubleshooting, and improving database performance and reporting pipelines.

  • 5 Jahre und 5 Monate, Okt. 2020 - Feb. 2026

    Independent Technical Development

    Self-Employed

    Independent study/development in JavaScript/Node.js, APIs, cross-platform and macOS development, and AI/LLM tooling. Evaluated modern tools and workflows to maintain technical currency and prepare for return to full-time engineering roles.

  • 6 Jahre und 7 Monate, März 2014 - Sep. 2020

    Software Developer / Team Lead

    Logis GmbH

    Maintained and enhanced a large ERP environment using VB6, C#, and Caché ObjectScript. Led the development team and introduced more structured engineering practices, including programming guidelines, Git, and Jira. Built integrations such as DMS connectivity, SOAP/REST interfaces, and secure external access via DMZ/proxy setups. Mentored developers, supported hiring, and helped improve quality, transparency, and delivery reliability.

  • 1 Jahr und 4 Monate, Jan. 2012 - Apr. 2013

    Software Developer

    Self-Employed

    Developed mobile applications and utilities for the Nokia Symbian platform using C++ and Qt. Maintained active hands-on work in mobile and cross-platform software during an independent development period.

  • 2 Jahre und 5 Monate, Aug. 2009 - Dez. 2011

    Software Developer

    Aaronia AG

    Developed a cross-platform spectrum analyzer application using C++, Qt, and OpenGL. Built visualization and analysis tooling, worked on a pseudo-code macro compiler, and helped improve development processes and software quality.

  • 4 Jahre und 5 Monate, Apr. 2004 - Aug. 2008

    Software Developer / System Administrator

    Self-employed

    Developed payment and inventory systems in C#/.NET, improved MySQL and SQL Server performance, and managed Linux-based infrastructure including Apache, Exim4, and VPN access. Combined application development with hands-on system administration.

  • 1 Jahr und 1 Monat, Nov. 2002 - Nov. 2003

    Software Developer

    Treescape

    Worked on migrating software components from IDL to C++ using Borland tools. Contributed to GUI and module integration work and supported Windows and Linux system administration in a mixed development environment.

  • 1 Jahr und 2 Monate, Juni 2001 - Juli 2002

    Software Developer (Trainee)

    ASPSolution GmbH

    Training in Java and Lotus Notes and contributed to smaller software components and development tasks in a professional team environment.

Sprachen

  • Deutsch

    Muttersprache

  • Englisch

    Fließend

  • Thai

    Grundlagen

XING – Das Jobs-Netzwerk

  • Über eine Million Jobs

    Entdecke mit XING genau den Job, der wirklich zu Dir passt.

  • Persönliche Job-Angebote

    Lass Dich finden von Arbeitgebern und über 20.000 Recruiter·innen.

  • 21 Mio. Mitglieder

    Knüpf neue Kontakte und erhalte Impulse für ein besseres Job-Leben.

  • Kostenlos profitieren

    Schon als Basis-Mitglied kannst Du Deine Job-Suche deutlich optimieren.

21 Mio. XING Mitglieder, von A bis Z