Lendbuzz Backend Engineer Interview Questions

The questions to prepare for a Lendbuzz Backend Engineer interview. Questions from real interview reports rank first. Updated weekly.

Tests your ability to diagnose and improve SQL performance in production systems.

Indexing Trade-Offs in High-Load Systems

Medium

Assesses how you choose indexes based on workload, write cost, and query patterns.

indexingperformance

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SQL Joins and Group Aggregations

Medium

Evaluates your skill with relational modeling, joins, and aggregation in SQL.

aggregationJoinsGroup By

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Assesses your ability to reason about operational complexity, scaling, and delivery speed.

Loan Application Service Architecture

Hard

Tests your ability to design scalable backend services for an AI-based lending workflow.

architecture

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Ensuring Consistency Across Services

Hard

Evaluates your understanding of distributed consistency patterns and failure handling.

distributed systemsdata consistency

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String Alternation Merge

Easy

Tests your ability to implement correct, efficient string manipulation logic.

Strings

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Active Monthly Subscription Pricing

Medium

Assesses your ability to implement business logic for subscription pricing correctly.

pricingfunctions

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