Welcome to CodeGranular, where complex backend engineering concepts are broken down into clear, practical, developer-friendly explanations.
If you’re passionate about Java, Concurrency, Kafka, Distributed Systems, and high-performance backend engineering, you’re in the right place.
This channel is designed for:
🔸 Backend & Full-Stack Engineers
🔸 System Design Learners
🔸 Distributed Systems Enthusiasts
🔸 Engineers preparing for SDE interviews
Here, I take deep, often confusing technical topics and explain them with clarity, visuals, real-world examples, and a bit of fun (yes, including pandas with glasses 🐼⚡).
🔥 What You’ll Learn Here
✔ Java internals, JVM insights, performance tuning
✔ Modern concurrency patterns & thread-safe design
✔ Kafka fundamentals to advanced architectures
✔ Distributed systems & event-driven patterns
✔ System design breakdowns for real-world scenarios
✔ Clean architecture, scalability, and best practices
✔ Engineering tips that actually matter in production
Code Granular
The Java Concurrency Hub matured — here's what changed. 🚀
Try it here: 👉 codegranular.gitlab.io/java-concurrency/
Since the last update, the site went from a simple progress tracker to a full-featured companion platform for the entire CodeGranular Java Concurrency series.
📚 Content expansion:
- Added the core series track — 7 main episodes + 5 sub-episodes covering threads, JMM, thread safety, concurrent collections, synchronizers, executors, thread pools, and cancellation
- Added 2 deep-dive interview question pages (IQ-01: Concurrent Cache, IQ-02: Custom Thread Pool) — more on the way
- New catalog + interview questions grid for easy browsing
📊 Smarter progress tracking:
- Redesigned with separate donut visualizations for episodes vs interview questions
- Your completion rate is now immediately readable at a glance
- Import/export still there, still privacy-first, still no signup required
🎨 Dark/Light theme:
- Toggle between themes, persisted across sessions
- Live preview via navbar toggle — zero page reload
Drop a ⚡ if you've already completed the full track.
#Java #Concurrency #SystemDesign #CodeGranular #BackendEngineering #DevCommunity #Programming #SoftwareEngineering #InterviewPrep
3 weeks ago | [YT] | 0
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Code Granular
Hey CodeGranular Community! 👋
The Java Concurrency & Architecture Hub just got a major upgrade. We’ve rolled out full, privacy-first progress tracking across the site so you can monitor your path through our masterclasses without needing an account or sacrificing your data.
Here is exactly what’s new and how you can use it right now:
📦 What Was Added
Personalized Dashboard: You can now set a profile name and choose an avatar directly on the site.
Track-by-Track Progress Bars: Dynamic progress bars on the main index page update in real-time to show your exact completion percentage across all core concurrency tracks.
Progress Backup Engine: A clean import/export tool so you never lose your learning history if your browser cache gets cleared.
🛠️ How To Use It
Set Up Your Profile:
Head over to the main hub, type in your name, and pick your developer avatar to initialize your tracking.
Track Your Lessons:
As you dive deep into the articles and study the source code, scroll to the bottom of any episode page and hit the "Mark Complete" button.
Check Your Analytics:
Jump back to the main homepage. The dedicated tracking column and real-time progress bars will automatically visualize your advancement across the foundations, collections, thread pools, and locking tracks.
Backup or Move Devices:
Before you clear your browser cache or when switching to a laptop, click "Export Progress" on the main dashboard to download your tiny progress backup file. On your new device, simply hit "Import Progress" and upload that file to restore your entire dashboard instantly.
No signups, no logins, no backend database clutter—just tracking built for engineers.
Ready to see where you stand? Jump in and test it out today:
👉 codegranular.gitlab.io/java-concurrency/
Drop a ⚡ in the comments once you’ve marked your first episode complete!
#Java #Concurrency #BackendEngineering #SystemDesign #CodeGranular
4 weeks ago (edited) | [YT] | 0
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Code Granular
Hey Backend Engineers and System Design Enthusiasts! 👋
👉 codegranular.gitlab.io/java-concurrency/
I’m excited to share our newly launched Java Concurrency & Architecture Hub.
Whether you are tuning high-performance distributed systems, preparing for senior SDE interviews, or simply want to understand what is actually happening at the hardware level, this documentation is built for you.
Check out the site, bookmark it for your next backend deep-dive, and subscribe to the YouTube channel for the companion visual breakdowns! 🐼⚡
Let's build highly scalable, thread-safe systems together.
1 month ago (edited) | [YT] | 2
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Code Granular
Hi everyone, welcome to my new YouTube Community. Now you can post on my channel too. To get started, tell me in a post what you'd like to see next on my channel.
Visit my Community: youtube.com/@CodeGranular/community
2 months ago | [YT] | 3
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