DE scenarios · bundled in every paid tier

Tool-deep DE interview prompts.

The questions interviewers actually ask once SQL is out of the way — Kafka topic strategy, Spark shuffle debugging, Airflow orchestration. Open-ended prompts with senior-DE rubrics and sample answers. Included with every paid tier from Lean (₹1,099) up; the Interview Bundle (₹2,199) adds written reviewer feedback on your answers.

Unlock scenarios

The full scenarios — depth-probe interview questions, scoring rubric, sample answers — come with Lean (₹1,099) and up. The Interview Bundle (₹2,199) adds senior-DE written feedback on YOUR scenario answers.

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DE TOOL

Kafka

122

Streaming, partitioning, consumer-group debugging.

5 scenarios · 🔒See plans →
DE TOOL

Spark

122

Shuffle, skew, OOM diagnosis, structured streaming.

5 scenarios · 🔒See plans →
DE TOOL

dbt

122

Model design, incremental strategies, testing.

5 scenarios · 🔒See plans →
DE TOOL

Airflow

122

DAG design, task isolation, SLA tuning.

5 scenarios · 🔒See plans →
DE TOOL

Snowflake

122

Warehouse sizing, micro-partitions, cost control.

5 scenarios · 🔒See plans →
DE TOOL

DuckDB

Embedded analytics, in-process queries.

in authoringComing soon
DE TOOL

Iceberg

122

Table formats, schema evolution, compaction.

5 scenarios · 🔒See plans →
DE TOOL

Flink

122

Stateful stream processing, checkpoints.

5 scenarios · 🔒See plans →
DE TOOL

Redshift

122

Distribution keys, vacuum, workload management.

5 scenarios · 🔒See plans →
DE TOOL

Python

32

Ingestion, performance, and reliability engineering.

5 scenarios · 🔒See plans →