Anton Martyniuk

Anton Martyniuk

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Premium .NET courses by Anton Martyniuk — Software Architect, Microsoft MVP.

The .NET Senior Playbook

The .NET Senior Playbook

Fast-track to senior, keep growing as a senior, and beat any .NET interview.

  • Covers C#, .NET, ASP.NET Core, EF Core & System Design
  • A test after every chapter
58 Chapters879 Questions
JuniorMiddleSenior
Coming Soon

Join the waitlist

The System Design
Playbook

The System Design Playbook

Knowing the components is not the same as designing a system.

A repeatable method for the trade-offs every system makes — plus worked designs you build yourself and timed mock interviews with scoring rubrics. Join the waitlist to hear the moment it goes live.

14 worked designs · 10 mock interviews
SeniorTech LeadArchitects
FreeFree .NET Interview Test

Free .NET Interview Test

Take a free, adaptive .NET interview test across C#, ASP.NET Core, EF Core, SOLID, Design Patterns & System Design — find your developer level and get a personalized strengths-and-gaps report.

100% freeAdaptive · Personalized report
JuniorMiddleSenior
Free

10-day email course

Claude Code
for .NET Developers

Claude Code for .NET Developers

A free 10-day email course on using Claude Code for real production work — the plan-file workflow, CLAUDE.md and skills, context management, models and effort, plan mode, subagents, MCP servers, hooks, and headless CI.

100% free10 lessons · ~8 min each
Any stackMiddleSenior

Anton Martyniuk

Helping .NET software engineers grow their skills, prepare for interviews, and build production-ready applications.

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