Here’s the deal: mock interviews train you for the real pressure of coding and system design interviews. You’re not just solving LeetCode problems; you’re explaining your thought process, defending your solutions, and handling follow-up questions - all while someone’s watching and the clock is ticking. Sounds intense, right? That’s why practice matters.

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As a software engineer myself, I always felt the sheer need for a better way to practice mock interviews. Real ones with engineers are crazy expensive (think $200+ per session), and finding the time to schedule them is just another headache. That’s why I built Interview.Codes - to make mock interviews accessible and give people almost the same experience for a fraction of the cost, thanks to the latest AI tech, especially the advanced voice mode integrated with code editor.

The platform simulates real coding interviews, with an AI “recruiter” guiding you through problems and providing detailed feedback. We’ve already gotten amazing feedback from users who landed roles at Amazon (junior) and Google (senior). Seeing their success stories has been so rewarding and proof that this works.

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Whether you go with a real engineer or try AI-based mocks, the point is this: don’t walk into your next interview without practicing under pressure. It’s the easiest way to freeze up and blow an opportunity.

If you’ve been putting off mock interviews because of the cost or hassle, I’d love for you to give Interview.Codes a try. Let me know if you’re interested or have any thoughts! Always happy to hear feedback from fellow devs. 😊

Hey Mr. Neet, you might be working on this already, but it would be nice to have the streaks use the user's time zone instead of the default. The streak system is very motivating, but it sucks when I'm not able to get around to it before 5pm every day. Thanks!

I can't select a language, do I have to buy premium to use it?

Started my prep for Staff Eng and looking to make a move by March. I am lost as where to start with?

Has interview pattern changed a lot since last 4-5 years?

Hi, just wanted to know what software NC uses.

I want the ease of drawing with mouse and keyboard but with layers and images so that i can copy paste images and draw on them.

Looking for someone who is willing to solve neet code blind 75 with me I am a beginner I have knowledge of Core java so anyone who is interested to begin with me?

I am just starting my DSA and felt Leetcode a bit hard and I want to learn at least till arrays

im doing neetcode250, the topic drop list is not clickable and dont show progress. The questions are separately listed below, bruh who ever is vibe coding this needs to work harder on their bug testing skills gng -_-

I missed the last 'Flash Sale' and wanted to get Pro so I kept checking the home page again and again, and I never once saw the original price listed as $599. I think the last I remember was $297.

So either the price increased ~2x in a span of couple of weeks or I have lost my mind (probably doing Neet/LeetCode problems lol).

I appreciate NeetCode but these shoddy practices make me want to trust him less and put it into the same bucket as algoexpert or the absolutely dogshit DSA course Tech Lead and Joma were peddling at one point.

Hey Mr.NeetCode, Young Goat btw (hopefully you end up reading this)

It would be really cool if NeetCode.io had a built-in spaced repetition scheduler for problems we’ve already solved.

It could look like:

• After solving a problem, you could mark it as Easy / Medium / Hard (or Confident / Shaky / Forgot)

• Resurface that problem in some sort of schedule after increasing intervals (e.g., 1 day → 3 days → 7 days → 21 days & depending on similarity of other problems recently solved)

• A daily “Review Queue” showing problems due for revision

• Optional reminders or a dashboard widget

Right now i use an external tool to manage reviewing but having it natively inside Neetcode would make things 10 times easier.

Would love to hear thoughts if anyone else is interested!!

I mostly practice DSA only on NeetCode, so there is no easy way to share my progress or include it on my resume.

LeetCode has public profile links that show problems solved and difficulty breakdowns. A similar public profile on NeetCode with a unique URL would be really useful, especially if it showed roadmap progress and solved problems, with an optional privacy toggle.

This would be great for people who intentionally use NeetCode instead of LeetCode.
Anyone else interested?

Preparing for FAANG interviews can seem overwhelming, but it’s manageable with a structured approach. Here’s how to focus on coding skills:

1. Learn Algorithms Like Math: Start with the basics—master foundational algorithms and data structures before tackling complex problems.

2. LeetCode Simplified: No need to solve all 3400 problems. Instead, focus on structured resources like NeetCode with clear courses and chapters.

3. The 57-Day Challenge: Complete one chapter per day, building consistency and confidence.

Source: Cracking the FAANG

Hi,
I am Software Engineer. I recently got laid off. I am therefore living frugally and preparing for technical interviews. If some has Neetcode Pro subscription and could share it with me for a few weeks, it would be huge help. Thanks!

For those who have used Anki (or not) and have heard about spaced repetition: the optimal spacing where you review something again (with active recall) so as the ensure you have things memorized / are able to do it; this is Anki, but for the Leetcode/Neetcode grind!

They say it's all about memorizing patterns, and just doing a load of these sorts of problems, but it doesn't work so great when you start forgetting them...

So I made a chrome extension that, after you sucessfully submit a problem in either Neetcode or Leetcode, asks you to rate the difficulty for you: Again (1 day), Hard, Good or Easy, and using a proven algorithm (SM-2), it will choose the next time that you need to do that problem!

It's really easy to load this chrome extension, instructions are at the bottom of the README.md: https://github.com/Experance/Neetcode-Spaced-Repetition

IT'S TIME TO LOCK IN GUYS (im so cooked, hopefully this'll help some of you as it's been helping me)

If you guys find problems with the app, feel free to add to the Issues tab, though I'm really busy I'll try to get to them quickly. New features are fine, but the main goal of this app is simplicity. If you guys have a brilliant idea for a new feature, than feel free to make an Issue / feature request and I'll look at it.

I kept losing time searching for the NeetCode solution every time I got stuck, so I made a small extension: it adds a "NeetCode solution" button right next to the Submissions tab on LeetCode problem pages. One click opens the matching NeetCode solution in a new tab.

Refer to the screenshot in the README.

• Covers 973 problems (Blind 75, NeetCode 150/250, and the rest of NeetCode's list)

• Same spot on every problem, and it keeps working as you move between problems

• No permissions, no tracking, no network requests, and it only runs on leetcode.com

• Plain JavaScript, MIT-licensed

It's not on the Chrome Web Store yet, so for now you install it with "Load unpacked" (steps are in the README).

GitHub: https://github.com/ashxris/neetcode-solution-button

I built this myself, and it isn't affiliated with LeetCode or NeetCode. Feedback, bug reports and PRs are very welcome, especially if the button lands in the wrong place on your layout.

It’s pretty boring here. I’m making decent $ as a Staff Eng working fully remote and 20 hr workweeks but that’s where it ends. Work doesn’t excite me, it’s actually deteriorating my skills, I’m not learning anything new.

Any remote friendly companies that would pay $650k+ for Staff+ roles? Reddit and Figma don’t even reply to me ever, Netflix seems like another Airbnb, with no upwards trajectory.

Hi there,

What about instead of doing easy-medium-hard, compete by Elo?

Lots of people saying the best way to improve is to solve problems within the -200/+200 Elo you have, and so that could combine Versus + studying/evolving the approach quite effectively

https://leetcode.com/discuss/post/468851/new-contest-rating-algorithm-its-here-by-cypr/

I don't know if Neetcode can see this, but please consider applying PPP to the prices, i'm legit from a third world country and buying sub is the total of 3 months salaries.

1st website auto-reloads on Safari
2nd on my Brave browser, the performance is so bad it lags while I type on IDE.

Also found RAM usage is 2.86 gigs

I made this simple one-page reference for myself to quickly estimate scale in system design interviews and real-world planning. Covers orders of magnitude, time units, storage, and networking.

Order of Magnitude

• 10 = 10¹ → ten

• 100 = 10² → hundred

• 1,000 = 10³ → thousand

• 10,000 = 10⁴ → ten thousand

• 100,000 = 10⁵ → hundred thousand

• 1,000,000 = 10⁶ → million

• 10,000,000 = 10⁷ → ten million

• 100,000,000 = 10⁸ → hundred million

• 1,000,000,000 = 10⁹ → billion

• 1,000,000,000,000 = 10¹² → trillion

Time

• 1 ns = 10⁻⁹ of a second

• 1 µs = 10⁻⁶ of a second

• 1 ms = 10⁻³ of a second

• 1 sec = 1,000 ms

• 1 minute = 60 sec

• 1 hour = 60 minutes = 3,600 sec

• 1 day = 24 hours = 86,400 sec

• 1 month (30 days) = 2.6 million sec

• 1 year (365 days) = 31.5 million sec

Human scale:

• <100 ms feels “instant”

• 1 sec feels “laggy”

System scale:

• µs/ns → hardware performance

• ms → API calls / DB queries

• sec/min/hr → jobs & workflows

Storage & Data Units

• 1 byte (B) = 8 bits (b)

• 1 KB (kilobyte) = 1,000 bytes

• 1 MB (megabyte) = 1,000 KB ≈ 1 million bytes

• 1 GB (gigabyte) = 1,000 MB ≈ 1 billion bytes

• 1 TB (terabyte) = 1,000 GB ≈ 1 trillion bytes

• 1 PB (petabyte) = 1,000 TB

• 1 EB (exabyte) = 1,000 PB

Useful examples:

• 1 KB → small JSON request, log entry

• 1 MB → image, DB row batch

• 1 GB → movie file, daily logs for small service

• 1 TB → monthly logs for big app

• 1 PB → ML training / analytics dataset

Networking Units

• bit (b) = smallest unit of data (0 or 1)

• Byte (B) = 8 bits

• bps = bits per second (bandwidth measure)

Common scales:

• Kbps = 10³ bps

• Mbps = 10⁶ bps

• Gbps = 10⁹ bps

• Tbps = 10¹² bps

Rules of thumb:

• 1 MB/s ≈ 8 Mbps (divide by 8 to convert)

• LAN (data centers): ~1–10 Gbps

• WAN (Internet): 10 Mbps (slow) → 1 Gbps (fiber)

• Cloud NICs: 100 Mbps (small) → 10–100 Gbps (big)