worisch
Exemplar
Top 2.6%
Member Nº 5061
Joined Oct 2026
SQL
Correlated Subquery
Common Table Expressions
Existence Checks
Python
Generators
Modules
Lambda
Spark
Window Deduplication
Higher-Order Functions
Catalyst Optimizer
Data Modeling
Metric Additivity
Indexing
Pipeline Architecture
Medallion Architecture
Event-Driven Architecture
Partitioning Strategies
Solved
Python0
Milestones
Top 100
First interview
507 runs in the past 26 weeksActive days: 11 · Max streak: 6
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Recent solves
Schema Drift: Intermediate, Schema Registries: Where They Live Challenge 1
Pipeline Architecture · medium · lesson
Orchestration: Intermediate
Pipeline Architecture · medium · lesson
Orchestration: Intermediate
Pipeline Architecture · medium · lesson
Orchestration: Intermediate, Three Cadences, One Output Challenge 1
Pipeline Architecture · medium · lesson
Orchestration: Intermediate, Sensors and External Triggers Challenge 2
Pipeline Architecture · medium · lesson
Orchestration: Intermediate, Sensors and External Triggers Challenge 1
Pipeline Architecture · medium · lesson
Orchestration: Intermediate, Cross-DAG Dependencies Challenge 2
Pipeline Architecture · medium · lesson
Orchestration: Intermediate, Cross-DAG Dependencies Challenge 1
Pipeline Architecture · medium · lesson
Orchestration: Intermediate, Task vs DAG vs Run for Retries Challenge 2
Pipeline Architecture · medium · lesson
Orchestration: Intermediate, Task vs DAG vs Run for Retries Challenge 1
Pipeline Architecture · medium · lesson