rich_turtle_7833
Exemplar
Top 2.6%
Member Nº 5069
Joined Sep 2026
SQL
Storage Optimization
Correlated Subquery
Window Deduplication
Python
Recursion
Prefix Sum
Context Managers
Spark
Inequality Joins
Exploding Arrays
Regex Functions
Data Modeling
Metric Additivity
Indexing
Constraints
Pipeline Architecture
Data Lake Architecture
Medallion Architecture
Retry & Failure Handling
Solved
Milestones
Top 100
Top 2% SQL
Top 2% Python
100 solved
7-day streak
First interview
302 runs in the past 26 weeksActive days: 26 · Max streak: 8
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Recent solves
Fault Lines
SQL · medium
The Vendor Who Never Warns You
Pipeline Architecture · medium
The Analysts Cannot Touch Production
Pipeline Architecture · medium
The Meal Kit That Knows You
Pipeline Architecture · medium
The Priority Queue
Python · medium
The Coin Vault
Python · medium
The Rolling Peak
Python · medium
Back to Back
Python · medium
Six Million Rows Before the Market Opens
Pipeline Architecture · medium
Sixty Minutes, Every Hour
Pipeline Architecture · medium