Welcome to My Blog: Navigating Azure, GitHub, and DevOps Challenges 🚀
Join me on a journey through the world of Azure, GitHub, and DevOps as I share insights, solutions, and experiences to help you overcome challenges and achieve success. Opinions are my own.
New
Oct 29, 2025
Mastering Asynchronous Programming with C# async/await - Part 7: Testing & Debugging
Testing & debugging async: proper async unit tests, mocking, handling aggregated exceptions, tooling (tasks window, async stacks), and tracing flows.
Read moreOct 22, 2025
Mastering Asynchronous Programming with C# async/await - Part 6: Advanced Topics
Advanced async topics: ValueTask trade-offs, custom awaiters, concurrency control with SemaphoreSlim, channels pipelines, and tuning performance.
Read moreOct 15, 2025
Mastering Asynchronous Programming with C# async/await - Part 5: Real-World Use Cases
Real-world async use cases: HttpClient APIs, file IO, EF Core queries, responsive UI handlers, and background hosted services.
Read moreOct 8, 2025
Mastering Asynchronous Programming with C# async/await - Part 4: Patterns with Async
Async patterns in CSharp: parallel fan-out, cancellation, async streams, timeouts and retries for resilient asynchronous workflows.
Read moreOct 5, 2025
🔒 GitHub Advanced Security Certification Guide (GH-500) - Complete Prep
Master GitHub Advanced Security with this comprehensive GH-500 certification guide. Complete study plan, hands-on security labs, and real-world examples.
Read moreOct 1, 2025
Mastering Asynchronous Programming with C# async/await - Part 3: Common Pitfalls and Best Practices
Async pitfalls in CSharp: avoiding async void, blocking waits, deadlocks, context capture issues, and robust exception handling patterns.
Read moreSujith Quintelier
Hi, I’m Sujith Quintelier—an Azure, DevOps and GitHub consultant/trainer with over 25 years of experience in IT. I specialize in cloud solutions, automation, and infrastructure as code, helping teams streamline their workflows and build scalable, secure systems. Whether it’s optimizing DevOps practices, architecting cloud-native solutions, or sharing knowledge through training and consulting, I’m passionate about making technology work smarter.
Mastering Asynchronous Programming with C# async/await - Part 7: Testing & Debugging
Mastering Asynchronous Programming with C# async/await - Part 6: Advanced Topics
Mastering Asynchronous Programming with C# async/await - Part 5: Real-World Use Cases
Mastering Asynchronous Programming with C# async/await - Part 4: Patterns with Async
🔒 GitHub Advanced Security Certification Guide (GH-500) - Complete Prep





