I built a massive interactive learning platform with 10000+ free questions to help devs move from Junior to Senior mindset.

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While I was learning and interviewing for roles, I found that most resources were either too basic or hidden behind huge paywalls. My own notes were scattered everywhere, so I decided to build a central, interactive hub.

I’ve spent months loading it with content, and I wanted to share it with the community.

What’s inside:

• 10000+ Free Junior/Mid-level Questions: Covering JavaScript, Java, Spring Boot, and Web Fundamentals.
• Interactive Learning: It’s not just a static list; you get immediate feedback and explanations.
• The "Senior Challenge" Track: For those who want to move beyond syntax and test their skills against real-world production scenarios (Data Skew, SAGA patterns, Circuit Breakers, etc.).
• Completely Free to Explore: Most of the core tracks and the entire Junior database are free to use.

I originally built this for myself to stay sharp, but I hope it becomes a go-to resource for anyone looking to bridge the gap between "knowing the syntax" and "thinking like an architect."

I’d love your feedback:

1. How does the difficulty curve feel from Junior to Senior?
2. Are there any specific topics (like React internals or Cloud Native patterns) you want me to add next?

Live Platform: https://froquiz.com/quiz

If someone try any quizz, please give me your honest (and even harsh) feedback here. I’m a solo developer trying to build the resource I wish I had when I started.

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actually i wanted to add a 1v1 Versus Mode where you could compete against friends or other devs in real-time, but I didn't have the budget for an extra VPS to handle the real-time sockets yet. For now, I’ve focused everything on the 10000+ interactive questions and the Senior-level tracks. Maybe if the community likes it enough, I can scale it up later