4

@ondrej_wee

Level 41,500 XP

500 XP to Level 5

0Day streak

15Lessons

0Courses

29Gems earned

Oct 2026Member since

Consistency

Activity

15 activities in the last year

Mastery

Achievements

265 AP · 13 unlocked

First Hour10 AP

Achievement Hunter15 AP

Back of the Napkin25 AP

Warming Up15 AP

Power Hour40 AP

Full Circle15 AP

Daily Dose15 AP

Cold Storage40 AP

Ice in the Bank10 AP

Midnight Scholar50 AP

Boxes and Arrows10 AP

First Blood10 AP

Going Public10 AP

Recent

Latest activity

Completed a lessonA Shared Cache for Multiple Services Hands-On: System Design for Beginners+100 XP
Completed a lessonCaching an Expensive External API Hands-On: System Design for Beginners+100 XP
Completed a lessonThe Cache-Aside Read Path Hands-On: System Design for Beginners+100 XP
Earned an achievementFirst Hour+10 AP
Completed a lessonAdding a Cache in Front of the Database Hands-On: System Design for Beginners+100 XP
Completed a lessonChapter Capstone - A Web App Front Door Hands-On: System Design for Beginners+100 XP
Earned an achievementAchievement Hunter+15 AP
Earned an achievementBack of the Napkin+25 AP
Earned an achievementWarming Up+15 AP
Earned an achievementPower Hour+40 AP

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