Event LoopedEvent Looped
All-in-one interview prep

Navigate software interviews with ease

One platform for the whole journey — AI mock interviews, machine coding, system design, DSA patterns, and more. Built to make your preparation calmer and more focused.

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3,500+ developersFree & growing every week · no signup required
0+

Mock interviews taken

0+

Problems solved weekly

0%

Interview-ready in 4 weeks

Trusted by people placed at

Google
Microsoft
Amazon
Meta
Netflix
Apple
Uber
Atlassian
Stripe
Shopify
Airbnb
Pintrest
Google
Microsoft
Amazon
Meta
Netflix
Apple
Uber
Atlassian
Stripe
Shopify
Airbnb
Pintrest
Google
Microsoft
Amazon
Meta
Netflix
Apple
Uber
Atlassian
Stripe
Shopify
Airbnb
Pintrest
The real problem

You know the material. The interview is a different skill.

Solving problems alone at your desk is nothing like explaining your thinking out loud while someone watches the clock. The gap isn't knowledge — it's reps.

Freeze under pressure

Blanking on concepts you've known for years the moment someone's watching.

Rambling answers

No structure, talking in circles, losing the thread halfway through.

No feedback loop

You walk out never knowing why you didn't pass — so you repeat it.

93%

of candidates feel anxious before a job interview

JDP survey

41%

fear being unable to answer a tough question

JDP survey

45%

freeze when asked about a time they failed

Adobe survey

#2

most nerve-wracking event — just behind public speaking

JDP survey

The fix isn't more theory. It's reps under pressure — anytime, judgment-free.

Start a mock interview
Our flagship

Practice the real thing with AI mock interviews

A live, voice-based interviewer that adapts to your role and seniority, asks follow-ups based on what you say, and ends with honest, specific feedback. Run it as many times as you need.

Start your free mock interviewVoice-based · 15 Min · Instant feedback
Live AI mock interview session in Event Looped
Live
Honest feedback

A real performance breakdown, not just a score

Every session ends with a detailed analysis — strengths, gaps, and exactly what to work on next, mapped to your role and level.

AI-generated interview performance analysis
01

Pick role & level

Choose from 8 engineering roles and 4 seniority levels. The interviewer calibrates instantly.

02

Talk it through

Have a real spoken conversation. It listens, probes weak spots, and skips what you've nailed.

03

Get honest feedback

Finish with specific, no-fluff feedback on where you were strong and where to improve.

Practice

Put the reps in

Hands-on problems and patterns that mirror what companies actually ask.

Learn

Go deep on the theory

Structured roadmaps and complete guides that build real understanding, not just memorized answers.

Frontend system design roadmap in Event Looped

Frontend System Design

23+ topics · 4-week roadmap

Browser internals, rendering performance, React optimization, caching, and architecture — sequenced week by week from fundamentals to interview-ready depth.

Explore the roadmap
Backend system design lessons in Event Looped

Backend System Design

111+ lessons · self-paced

FoundationsCore Distributed SystemsPatterns & ScalingKey TechnologiesSystem Design Problems
Start the path
Complete interview guides in Event Looped

Interview Guides

6 complete, depth-ordered guides

FrontendAdvancedTypeScriptBackendNode & NestJSSpring Boot
See all guides
JavaScript conceptual questions in Event Looped

JavaScript Conceptuals

275 questions

Closures, the event loop, prototypes, async, and the JS internals interviewers love to probe. Track progress and bookmark the tricky ones.

Practice 275 questions
Loved by engineers

3,500+ engineers trust us with their job interviews

$100K

Raised from investors who believe in what we're building. Every dollar goes into one thing — the best content for engineers.

Offer from GoogleMar 2026

I leaned on Event Looped for pretty much my whole prep cycle. The DSA pattern breakdowns and the system design roadmap gave me an actual structure to follow instead of grinding random problems. Ended up clearing interviews at a couple of big tech companies.

R

Raivat Shah

Software Engineer, Singapore

Offer from ShopifyJan 2026

What kept me coming back was the frontend depth — DOM internals, async, state management, accessibility. Most prep sites stop at LeetCode-style questions; this one actually goes into UI engineering, which is what my interviews were about.

N

Nam Nguyen

Senior Software Engineer, Canada

Offer from AdobeJan 2026

I'd tried a handful of other prep tools and dropped most of them. This is the one I actually stuck with. It covered coding, system design, and the UI rounds without feeling bloated, and I always knew what to study next.

M

Matthew Moran

Senior Software Engineer, San Francisco, US

Offer from AppleSep 2025

I knew the concepts but I'd freeze the moment an interview started. Doing the machine coding challenges under a timer is honestly what fixed that. By the real thing I was a lot calmer and could just talk through my approach.

P

Priya Sharma

Frontend Engineer, Bangalore

Offer from MiroFeb 2026

The explanations get into the why, not just the answer. That's what helped me reason through questions I hadn't seen before instead of trying to remember a solution. Made a real difference in my front-end rounds.

A

Alex Chen

Software Engineer, Berlin

Offer from AirbnbJan 2026

I'm not a genius and I definitely don't grind 500 problems. But the pattern-based approach made the hard stuff manageable. Six weeks of focused prep with this and I landed the offer.

J

Jordan Lee

Frontend Engineer, New York, US

Start free. Upgrade when you're ready.

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