Design and Debug a Point-in-Time Backtest Data Pipeline
Company: Jain Global
Role: Data Engineer
Category: System Design
Difficulty: medium
Interview Round: Technical Screen
Overview: Practice diagnosing a point-in-time financial backtest pipeline, from identifier resolution and vendor backfills to stale data, outliers, and look-ahead bias. The answer also covers orchestration, lineage, and isolating model, code, and data regressions.
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