Contact
System Design Simulator is a free, browser-based learning platform built and maintained by Rahul Kumar, a Senior Software Engineer working on backend and distributed systems.
Get in touch
- Email: rahul.nitpatna.cse@gmail.com
- GitHub: github.com/RahulKumarNitP/HLDSimulator — open a GitHub issue for bugs or content suggestions.
- LinkedIn: linkedin.com/in/rahul-kr-nitp
What you can reach out about
- Bug reports in any interactive widget.
- Content corrections (incorrect complexity, off-by-one in a walkthrough, outdated reference, etc.).
- Requests for a new design or algorithm to be added.
- Questions about a specific explanation or piece of Java code.
- Collaboration, teaching, or content-licensing inquiries.
Mentorship
I am open to providing mentorship on system design, distributed systems, and interview preparation. If you are looking for guidance, reach out on LinkedIn or email rahul.nitpatna.cse@gmail.com with a short note on what you are working on and what kind of help would be most useful.
Response times vary, but I try to acknowledge genuine messages within a few days. Thanks for using the site.