💰 Simple Pricing

Invest in Your Career Growth

One-time payment. No subscriptions. Access to all content forever.

Free
$0forever

Get started with basics

Start Free →
✓3 case studies (Junior level)
✓Basic investigation mode
✓Solution reveal after submission
✓English content
✓Community Discord access
✗Middle & Senior cases
✗Russian translations
✗Performance benchmarking
✗1-on-1 mentorship
MOST POPULAR
Basic
$49one-time

Full access to all cases

Get Basic →
✓All 47 case studies
✓All difficulty levels (Junior → Senior)
✓Interactive investigation mode
✓Expert solutions with commentary
✓EN + RU translations
✓Progress tracking
✓New cases as they're added (1 year)
✓Community Discord access
✗Live mentorship sessions
✗Interview mock sessions
Pro
$99one-time

Everything + mentorship

Go Pro →
✓Everything in Basic
✓2 live mentorship sessions (1h each)
✓Performance profile review
✓Mock interview simulation
✓Personal feedback on your analyses
✓Priority Discord support
✓Early access to new content
✓Lifetime updates

14-day money-back guarantee · No subscriptions · Pay once

Frequently Asked Questions

Is the Basic plan really one-time payment?

Yes! Pay once, get lifetime access to all current cases. New cases released in the next 12 months are also included. After that, you can renew for $19/year.

Can I use this to prepare for FAANG interviews?

Absolutely. The cases are based on real production incidents from companies like Netflix, Amazon, and Uber. Senior-level cases mirror exactly what you'll face in system design performance rounds.

Do you have Russian language content?

Yes! All cases are available in English and Russian. We're working on Spanish and German (available in Month 3-4).

What tools do the cases cover?

JMeter, Gatling, k6, Locust, Artillery, Grafana, Prometheus, PostgreSQL, MySQL, MongoDB, Redis, Nginx, and more.

Can I get a refund?

100% refund within 14 days if you're not satisfied. No questions asked.