AJIO (Reliance Retail) Senior MLE / DS Interview Guide

AJIO (part of Reliance Retail) competes in fashion e-commerce. Senior MLE / DS roles cover ranking, search, recommendation, demand forecasting, returns, and dynamic pricing. The interview tests fashion-specific ML plus omnichannel integration with offline Reliance Retail. This guide covers it.

AJIO is Reliance Retail's online fashion platform, competing with Myntra and Nykaa Fashion. Senior MLE / DS roles cover ranking, search, recommendation, demand forecasting (massive SKU catalog), returns prediction (fashion has high returns), dynamic pricing, and omnichannel integration with offline Reliance Trends stores.

The loop structure (Senior MLE / DS)

Standard loop: recruiter screen → ML + SQL → ML system design → behavioural.

What AJIO weights distinctively

1. Fashion-specific ML. Size prediction, style similarity, occasion-based recommendation. 2. Returns handling. Fashion has 30-40% return rates; predicting and preventing matters. 3. Omnichannel. Online + offline (Reliance Trends, Trends Footwear). 4. Scale. Reliance scale on operations.

Top 10 questions

1. "Design AJIO's homepage personalisation." 2. "Returns prediction at checkout — flag risky purchases?" 3. "Size recommendation — model and data." 4. "Visual / image-based recommendation." 5. "Demand forecasting per SKU × warehouse for fashion (seasonal)." 6. "Omnichannel attribution." 7. "Position bias in ranking." 8. "Cold-start for new fashion SKUs." 9. "Walk through your most impactful project." 10. "Why AJIO / Reliance?"

Prep path through MSL — Tier 5 (all), Tier 7 (all), Posts 70-72 (RecSys), 48 (Feedback Loops), 110 (CV), 125 (Hierarchical Forecasting).

Compensation. AJIO Senior MLE / DS in 2026 ranges ₹30 lakh – ₹55 lakh for 5-7 YOE. Lead ₹70 lakh+.