Stefan Brueck

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.

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.

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.

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.

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.

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.

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.

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