30+ Years of ExperienceSoftware development and business leadership
SOFTWARE MODERNIZATION & CONSULTING
Legacy Software.
Modernized for the Future.
I help industrial companies assess, modernize and sustainably support business-critical custom software.
VB6 · .NET · SQLExpertise in established systems
Direct Point of ContactPersonal, pragmatic and reliable
Long-Term SupportUnderstanding of processes and business
DÜCHTING.SYSTEMS
Preserve proven software.
Reduce technical risk with control.
Business-critical custom software should not be treated with a reckless restart. DÜCHTING.SYSTEMS combines decades of legacy experience with modern architecture, clear strategy and personal accountability.
Explore the service model →EXECUTIVE EXPERT NETWORK
Personal accountability.
Scalable capacity.
You work directly with Stefan Düchting. When needed, projects are supported by a trusted network of experienced software developers from the same generation—specialists who understand long-established business software from real practice.
Senior Legacy Developer
VB5, VB6 and long-established Windows business applications.
30+ years in practice.NET Architect
Incremental migration, target architecture and modern engineering standards.
ModernizationSQL Server Specialist
Data migration, performance, stability and secure operations.
Data & OperationsIntegration Specialist
REST, JSON, interfaces, cloud services and process automation.
APIs & CloudOne accountable partner leads the engagement. Additional expertise is involved only where it creates tangible value.
EXECUTIVE METHODOLOGY
Modernization without unnecessary loss of control
A clear, low-risk process from the first conversation to stable operations.
Discover
Understand business goals, dependencies and critical workflows.
Assess
Assess code, database, architecture, operations and risks.
Plan
Define target state, priorities, budget framework and pilot.
Modernize
Modernize modules in controlled, incremental steps.
Validate
Validate functionality, data, performance and operations.
Support
Transfer knowledge and support the new foundation for the long term.
INSIGHTS
Guidance for decision-makers
Why a complete rewrite is often the wrong first decision
How organizations reduce modernization risk while preserving proven business knowledge.
Read article →When should a business-critical VB6 application be modernized?
Six signals executives and IT leaders should take seriously.
Read article →The key-person risk in long-established custom software
How to secure knowledge before an unexpected absence becomes a business problem.
Read article →NEXT STEP
Understand first. Decide second.
Start with the free Software Health Assessment or discuss your situation directly with no obligation.