fast_tide_5927
Warden
Top 7.8%
Member Nº 1473
Joined Jun 2026
SQL
Window Deduplication
Common Table Expressions
Storage Optimization
Python
Recursion
Collections
Frequency Counting
Spark
Cost Optimization
Data Skew
Memory Management
Data Modeling
Grain Definition
SCD Strategy
Surrogate Keys
Pipeline Architecture
Late-Arriving Data
Schema Evolution
Micro-Batch vs True Streaming
Solved
SQL26
Python17
Data Modeling8
Pipeline Architecture3
Milestones
Top 5% SQL
Top 8% Python
50 solved
Hire verdict
30 active days
7-day streak
662 runs in the past 26 weeksActive days: 47 · Max streak: 12
MarAprMayJunJulAugSep
Recent solves
The Analysts Cannot Touch Production
Pipeline Architecture · medium
Down the Line
Python · medium
The Final Sale
SQL · medium
Past the Threshold
SQL · medium
The Provider That Sometimes Sleeps
Pipeline Architecture · medium
Replicate It Without Breaking It
Pipeline Architecture · hard
The Output Peak
Python · hard
Single File
Python · easy
The Infection Spread
Python · hard
Where the Buck Stops
Python · hard