For the engineer with an interview coming up and no time to grind another 3,000 LeetCode problems.
The pattern-based system 1,000,000+ developers already trust.
AlgoMonster is the pattern-based prep you already know, built by ex-Google engineers. Get interview-ready in about six weeks, even if you haven't touched data structures since college.


Inside AlgoMonster: the pattern navigator, and the drills that prove each one stuck.
7-day money-back guarantee · instant access · self-paced, no cohort
One-click Google sign-in, then secure Stripe checkout. Enter code LEARNPATTERNS on the payment page for an extra 10% off: $170.10 one-time.
Used by 1,000,000+ developers. Learners now at Google, Meta, Microsoft, and Amazon.
Learners now work at
You solve a problem, feel good for a minute, then read someone else's solution that's so much cleaner it makes you feel dumb. You move on. Next problem, you're blank. You've done hundreds, but the second a new one shows up, you freeze. And between a full day of work and everything else, there's barely time for any of it.
After enough of this, you start to wonder if you're just not built for it, if everyone who passes these interviews simply thinks faster than you do. That's the part that stings, because you know you can build real things. This one format keeps making you feel like you can't.

It was never your speed or your talent that was the problem. It was the method. Grinding random, disconnected problems was always going to leave you here.
There's a version of this where a new problem shows up and you're not guessing. You recognize the shape of it, reach for the template that fits, and write it clean the first time. Not because you memorized this exact problem, but because you've seen its pattern a hundred times before.
A new problem stops being a coin flip. You spot which of the recurring patterns it uses, so you start from a plan instead of a blank screen and a rising panic.
You already know how to build software. This isn't four years of CS you forgot. It's a small set of patterns you can get fluent in around a month, on nights and weekends.
Stop mining for the handful worth doing. You work a curated set chosen because they teach the patterns interviewers actually reach for, so every problem you finish compounds instead of resetting.
With around 48 templates in your hands, the coding stops being the hard part. You stop stumbling over your syntax mid-interview and spend your attention on the actual problem.
You go into the loop having done the reps, not hoping the ones you did happen to come up. When the interview finally happens, being fluent in the patterns beats not being fluent in them.
No subscription to cancel, no price that creeps every year. You pay one time, and it's yours for this job search and the next one, whenever that comes.
None of that comes from working harder than you already are. It comes from one shift in how the whole thing is taught, and it's the reason the other stuff never stuck.
The standard advice is to grind problems until something clicks. But volume was never the fix. When you practice by memorizing solutions, you're really just memorizing that one problem. A new one shows up with different wording and you're back to zero, because you learned what to type without ever learning why it works. Academic courses make it worse by drilling topics that almost never come up in real interviews, so you burn your limited time on the wrong things.

The patterns are the point. Across thousands of interview questions, the same small set of shapes keeps repeating: a couple of pointers, a sliding window, a specific kind of search. AlgoMonster teaches you those patterns, gives you the Flowchart to figure out which one a new problem needs, and the templates to write the code without stumbling. Learn a pattern once, apply it to every problem built on it.
I built this from my own Google interview prep notes, and the same approach has now been used by 1,000,000+ developers, with learners going on to Google, Meta, Microsoft, and Amazon.
That method is the whole product. Here's what it looks like from the inside.

Introducing
The complete pattern-based system, opened up in full, for one payment.
You already know AlgoMonster. Pro Lifetime opens the whole thing: the Foundation course, the Flowchart, all of the roughly 48 templates, the 300 curated problems, and Speedrun. It's the complete pattern-based system built by ex-Google engineers, self-paced, with everything available the moment you're in.
Everything is available immediately. No drip, no cohort, no waiting for the next module to release, and nothing to log into on a schedule. You go at your own pace, on nights and weekends if that's all you've got. And because it's Lifetime, it's still there the next time you're prepping, without paying again.
The complete pattern-based system: around 48 templates, 300 curated problems, and every course below.

Start with the data structures the interviews actually test, explained from the ground up. If it's been years since college, this is where the rust comes off fast, so the patterns later make sense instead of feeling like magic.

This is the part you've probably already seen: a decision flowchart that takes any problem and points you to the pattern it needs. It's the difference between staring at a blank screen and starting with a plan.

Around 48 reusable templates, one for each recurring pattern. Once a template is in your hands, the coding stops being the scary part. You write the same clean, bug-free structure every time and put your focus on the problem itself.

Roughly 300 problems, hand-picked because they teach the patterns that actually come up, not 3,000 random ones. Every problem you finish reinforces a pattern you'll use again, so your practice finally compounds instead of resetting.

Fast multiple-choice drills that train your recall without making you re-solve everything from scratch. You check whether a pattern has really stuck in minutes, which is how you find the gaps before an interviewer does.

An AI-assisted IDE and an AI Teaching Assistant for the moment you get stuck at 11pm with nobody to ask, plus a Discord community of people prepping alongside you. You're not grinding this alone in a tab anymore.
Put together, these aren't six separate things to get through. They're one system: learn the patterns, identify them with the Flowchart, write them with the templates, and prove they stuck with Speedrun. That's the difference between someone who has done a lot of problems and someone who's ready for the interview.
More companies now let you use AI in the interview, and prepping for that is its own skill. This course covers how to work with AI tools in a coding interview instead of getting tripped up by them, so a changing format doesn't catch you off guard.
Plenty of interviews aren't just algorithms. They ask you to design a system: the objects, the classes, how the pieces fit. This is a full course on object-oriented and low-level design, so the moment the interview turns to design, you're not improvising.
The job itself is changing, and knowing how modern AI systems actually work is quickly becoming table stakes. These two included courses get you current on LLM fundamentals and agentic workflows, useful well past the interview.
26 real screenshots from AlgoMonster's own Wall of Love.


























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“I am 42 years old and I hadn't touched the subject of algorithms and data structures since college time. For more than 1 year, I tried to study on my own without a guidance. Then, I found AlgoMonster. Using the guidance provided on the website, I felt the time I reserved for studying was being completely better applied, and in 1 month I had advanced more than I had in one year. After a while, I got the job I wanted at Amazon Alexa and I owe big part of it to AlgoMonster.”

“You changed my life. Failing a bunch of online assessments when you have no idea how other people are doing it is so heartbreaking. Back when my mental model is of leetcode problems being all ad-hoc and there being no point to working that much at them because they are all different. Changed that whole thing up singlehandedly with algomonster, made me realize how easy it all is. Can't thank you enough!”

“I never believed paying for anything else other than LC made sense. But not this course. I was out of touch of DS and Algorithms for 7 years, so this course helped me immensely to structure my prep thoroughly. Studied for 2 months and got offers from MSFT, Meta and Google. Thanks to the creators. The pattern based design is awesome”
“I was in a very similar position: 5 YOE, good at my job, interview for position I really wanted in 2 weeks, never had to do the LC grind to get a job previously. I used AlgoMonster. It will walk you through the ~10 common patterns first at a theoretical level and then hold your hand through 5-10 LC problems. After spending a little bit of time with it I went from struggling on easies (I was VERY out of practice) to over 50% solve on medium in a week or two.”
“I told myself that I was going to solve this 100% on my own. I tried applying Subsets and Subsets 2 but the concepts are different, so I went to Algo Monster website and read the backtracking section and the templates and within 30 minutes I had a 9/10 solution.”
“Hey, I just wanted to let you know that purchasing the lifetime membership was the best decision I ever made career-wise. Thank you for doing what you do”
Try it. If it's not useful to you, you get your money back.
Get in, run the Flowchart on a few problems, work through a pattern or two with the templates, and see for yourself whether it clicks. If you don't find it useful, email us within 7 days and we'll refund you. No forms, no hoops, no questions about why.
The gap between those two columns isn't talent or hours. It's just a decision to learn it the structured way.
...and the other questions you're probably weighing.
It's fully self-paced, so you fit it around work, not the other way around. Most people going for a first job get interview-ready in about six weeks, and experienced engineers refreshing rusty fundamentals often do it in about a month of nights and weekends. There's no schedule to keep up with and nothing expires.
The Foundation course starts from the data structures the ground up, so it works whether you haven't touched this since college or you're prepping for your first job. If you're already sharp, you can skip straight to the Flowchart, the templates, and the curated problems. It flexes to where you actually are.
Free content is scattered, so you spend half your time deciding what to even study next. The whole point of AlgoMonster is structure: learn the small set of patterns that repeat, use the Flowchart to identify them, and the templates to write them. It's a curated path instead of 3,000 random problems and a hundred open tabs.
Your first real wins come in the Foundation course, where concepts that felt like magic start making plain sense. From there it depends on how consistently you put in the reps, but the system is built so each pattern you learn makes the next problem easier, not harder.
Pro Lifetime is exactly that: you pay once and keep it forever, including future updates. Everything is available online the moment you're in, self-paced, on whatever device you use.
Then you shouldn't pay for it. Try it, and if you don't find it useful, email us within 7 days and we'll refund you. No forms, no questions.
Pro Lifetime is a one-time payment, not a subscription. You buy it once and it's yours to keep — nothing recurring to cancel later.
Fair question, and worth being straight about. The patterns aren't a trick for gaming our judge; they're the same building blocks that keep showing up across real interview questions, which is exactly why the same 48 or so templates keep recurring instead of needing 3,000 one-off solutions. If the interview happens, being fluent in them beats not being.
Founder, AlgoMonster
I used to work at Google, and like everyone there I had to grind through interview prep to get in. I came out of it with a pile of notes on the patterns that kept coming up. What was out there to learn this from mostly wasn't very good, so I built AlgoMonster from those notes. It's now been used by 1,000,000+ developers, with people going on to Google, Meta, Microsoft, and Amazon.
I built the thing I wish I'd had: a structured path through the patterns instead of 3,000 disconnected problems and a year of wasted time. I'm an engineer, not a marketer, so I'd rather the product be good than oversold. If you've got an interview coming, this is the fastest honest way to get ready for it.
Pro Lifetime is $189 through this promo, and code LEARNPATTERNS takes another 10% off at checkout. It closes Sunday, August 16 at 11:59pm EST. After that the page comes down and it goes back to the regular price.
All backed by a 7-day money-back guarantee. Email us and we'll refund you.
One payment. No subscription, yours to keep for good.
Use code LEARNPATTERNS at checkout for another 10% off: $170.10 one-time.
One-click Google sign-in, then secure Stripe checkout. Code LEARNPATTERNS goes in on the payment page.
You're one decision away from walking into that interview fluent in the patterns, instead of hoping.