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Petr Vitásek

Head of Development | Enterprise .NET Modernization | AI-Assisted Delivery

I am a Head of Development with 10+ years of experience in the Microsoft/.NET ecosystem, focused on complex enterprise systems, long-lived internal applications and business-critical software.

My work combines hands-on engineering, technical leadership and solution architecture across:

  • enterprise .NET systems,
  • WPF client applications,
  • WCF/RPC-based communication,
  • SQL-heavy business logic,
  • custom ORM architectures,
  • cybersecurity and remediation planning,
  • Azure and modern cloud-oriented architecture,
  • AI-assisted software delivery workflows.

My current focus is helping legacy enterprise systems evolve safely: modernizing architecture, improving maintainability, preparing migration paths and using AI tools pragmatically to accelerate analysis, documentation and implementation planning.


What I do

I work mainly with complex Microsoft/.NET environments where older but business-critical systems need to be maintained, improved and gradually modernized without breaking production.

Recently I have been focused on:

  • migration planning from .NET Framework 4.8 to modern .NET / .NET 9+,
  • modernization of WPF applications communicating with application servers through WCF/RPC,
  • analysis of large enterprise solutions split into core, business and client layers,
  • architecture around custom ORM, MS SQL and SQL-heavy business logic,
  • preparing technical instructions for Codex to analyze source code and propose safe changes,
  • converting penetration-test findings into actionable engineering remediation plans,
  • experimenting with AI-native delivery workflows using ChatGPT, Codex and Lovable,
  • improving documentation, maintainability and delivery processes in legacy environments.

Current direction

I am moving deeper into the intersection of:

  • Solution Architecture,
  • AI-assisted software delivery,
  • legacy system modernization,
  • technical leadership,
  • secure enterprise application design,
  • Azure and cloud-oriented modernization.

I see AI tools as leverage for experienced engineering teams: not as a replacement for engineering judgment, but as a way to speed up analysis, documentation, migration planning, prototyping and delivery.


Core stack

  • Languages & platforms: C#, .NET Framework, modern .NET, .NET Core
  • Desktop & enterprise: WPF, WCF, RPC-style communication, Windows enterprise applications
  • Backend & data: MS SQL, SQL-heavy systems, custom ORM, business logic layers
  • Architecture: modularization, migration planning, integration boundaries, technical documentation
  • Security: cybersecurity, cryptography, penetration-test remediation, secure application design
  • Cloud & delivery: Azure, CI/CD, maintainability, modernization strategy
  • AI workflow: ChatGPT, Codex, Lovable, agent-based analysis and implementation planning

Current projects and interests

  • Preparing modernization strategies for large .NET Framework 4.8 applications.
  • Designing safer migration paths from legacy WPF/WCF systems toward modern .NET architectures.
  • Building Codex-ready instructions for source-code analysis, refactoring and remediation.
  • Turning security findings into concrete engineering tasks.
  • Exploring AI-assisted workflows for faster prototyping, documentation and delivery.
  • Connecting enterprise architecture with pragmatic AI adoption.

Professional positioning

My professional direction is to combine:

  • strong enterprise .NET experience,
  • technical leadership,
  • practical software architecture,
  • cybersecurity awareness,
  • and AI-assisted delivery methods.

The goal is simple: help teams understand complex systems faster, reduce technical risk and deliver modernization work more safely.

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