Tata 1mg Senior MLE / DS Interview Guide (standalone)

Companion guide focused on Tata 1mg specifically (vs the broader Tata Digital super-app role). Senior MLE / DS at 1mg covers e-pharmacy demand forecasting, doctor consultation matching, prescription processing, and chronic medication recurring orders. This guide covers it.

Companion to the Tata Digital guide, focused specifically on Tata 1mg (the e-pharmacy + diagnostics + teleconsultation vertical). Senior MLE / DS roles at 1mg work on demand forecasting (medicines have specific dynamics — chronic refills vs acute purchases), prescription OCR + processing, doctor matching for teleconsult, recurring-order recommendation, and inventory optimisation.

The loop structure (Senior MLE / DS)

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

What Tata 1mg weights distinctively

1. Chronic refill dynamics. Pharma demand is bimodal — chronic (predictable) vs acute (spiky). 2. Prescription processing. OCR + drug-name NER + dosage parsing + interaction checks. 3. Safety constraints. Healthcare-specific recommendation safety. 4. Tele-consultation matching. Doctor-patient with availability + specialty + language.

Top 10 questions

1. "Design demand forecasting for medicines — chronic vs acute handling." 2. "Prescription processing pipeline — OCR + NER + interaction validation." 3. "Recurring-order recommendation for chronic patients." 4. "Tele-consultation doctor matching — what's the objective?" 5. "Safety constraints in pharma recommendation." 6. "Diagnose: refill conversion dropped 10%." 7. "Class imbalance for adverse-event detection." 8. "DPDP compliance considerations." 9. "Walk through your most impactful project." 10. "Why 1mg?"

Prep path through MSL — Tier 5 (all), Tier 7 (all), Posts 88 (Time Series), 95 (Anomaly), 110 (CV / OCR), 125 (Hierarchical Forecasting), 98 (Fairness).

Compensation. Tata 1mg Senior MLE / DS in 2026 ranges ₹28 lakh – ₹50 lakh for 5-7 YOE. Lead ₹65 lakh+.