Alibaba Group Backend Engineer Interview Questions

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

URL Shortening at Scale

Hard

Evaluates your system design for high-throughput URL shortening with reliability and scalability.

system design

Alibaba Group

Refactoring Monolith to Microservices

Hard

Assesses your migration planning, risk control, and incremental delivery strategy for microservices.

refactoringlegacy systemsmicroservices

Alibaba Group

More System Design questions with a free account

More Behavioral & Leadership questions with a free account

Tests your ability to choose and use backend performance metrics to drive optimization.

Java vs Golang Microservices

Medium

Assesses your ability to reason about language trade-offs for microservice design and operations.

javamicroservices

Alibaba Group

More Execution questions with a free account

Tests your algorithmic ability to achieve optimal time complexity for selection problems.

JSON Schema Validation

Medium

Tests your ability to implement schema validation logic and handle edge cases correctly.

Programmingvalidation

Alibaba Group

More Coding questions with a free account

Create a free account to unlock this list and practice real interview questions.

Database Sharding and Partitioning

Medium

Evaluates your approach to scaling data storage and maintaining performance under load.

data consistency

Alibaba Group

Distributed Data Consistency

Medium

Assesses your understanding of consistency models and techniques for distributed transactions.

data consistency

Alibaba Group