Techolution Interview Questions
The questions to prepare for Techolution interviews, across all roles. Questions from real interview reports rank first. Updated daily.
Calculate each customer's 30-day rolling engagement average using a PostgreSQL window function.
Identify each user's consecutive website activity streaks using date arithmetic and SQL window functions.
Intuit Management Consultancy
Chewy
AllstateCalculate a calendar-based 30-day moving average of daily energy consumption using PostgreSQL window functions.
Identify the main pitfalls that can distort A/B test interpretation and explain how to guard against them.
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Describe a difficult technical problem you solved, focusing on execution, stakeholder alignment, risks, and trade-offs.
Explain LLM hallucination and give three practical ways to reduce it using grounding, prompting, and evaluation.
Design a low latency RAG system over millions of documents, with scalable retrieval, ranking, generation, and production monitoring.
Explain what statistical significance means and why it matters when interpreting experimental or analytical results.
Define a success metric for a new feature that captures real user value, not just raw usage.
Diagnose a below-expectations product metric drop using decomposition, guardrails, and experiment checks.