Accenture
Global professional services company with leading capabilities in digital, cloud and security.
4 Rounds
~21 Days
Medium
The Interview Loop
Recruiter Screen (30 min)
Standard fit check, behavioral questions, and resume overview.
Technical Loop (3-4 Rounds)
Deep dive into domain knowledge, coding, and system design.
Interview Question Bank
Backend Engineer
•
Behavioral
•
medium
Tell me about a time you had to push back on a client's or stakeholder's technical request because it wasn't feasible or scalable.
#Communication
#Stakeholder Management
#Problem Solving
Backend Engineer
•
Behavioral
•
medium
Accenture often requires engineers to adapt quickly. Describe a situation where you had to learn a completely new technology stack in a very short time to deliver a project.
#Learning
#Agile
#Delivery
Backend Engineer
•
Behavioral
•
hard
Tell me about a time you identified a major performance bottleneck in a system. How did you investigate and resolve it?
#Performance
#Troubleshooting
#Impact
Backend Engineer
•
Behavioral
•
medium
How do you handle a situation where a critical production bug is reported, but you are in the middle of delivering a tight sprint commitment?
#Agile
#Time Management
#Incident Response
Backend Engineer
•
Behavioral
•
hard
Describe a time when you had a disagreement with a senior engineer or architect regarding a system design choice. How was it resolved?
#Conflict Resolution
#Collaboration
#Design
Backend Engineer
•
Behavioral
•
medium
Tell me about a time you had to explain a complex technical issue (like a microservices failure) to a non-technical client stakeholder.
#Client Facing
#Empathy
#Clarity
Backend Engineer
•
Behavioral
•
medium
Describe your approach to mentoring junior developers on your team while maintaining your own project deliverables.
#Mentorship
#Time Management
#Team Building
Backend Engineer
•
Coding
•
easy
Given an array of integers and a target value, return the indices of the two numbers that add up to the target. Assume exactly one solution exists.
#Arrays
#Hash Maps
Backend Engineer
•
Coding
•
easy
Write a function to determine if a string containing just the characters '(', ')', '{', '}', '[' and ']' is valid.
#Strings
#Stacks
Backend Engineer
•
Coding
•
medium
Given an array of intervals where intervals[i] = [starti, endi], merge all overlapping intervals and return an array of the non-overlapping intervals.
#Arrays
#Sorting
Backend Engineer
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Coding
•
medium
Design and implement a data structure for a Least Recently Used (LRU) cache.
#Hash Maps
#Doubly Linked Lists
#Design
Backend Engineer
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Coding
•
medium
Given an array of strings, group the anagrams together. You can return the answer in any order.
#Strings
#Hash Maps
#Sorting
Backend Engineer
•
Coding
•
medium
Find the kth largest element in an unsorted array. Note that it is the kth largest element in the sorted order, not the kth distinct element.
#Heaps
#Quickselect
#Arrays
Backend Engineer
•
Coding
•
medium
Given a binary tree, find the lowest common ancestor (LCA) of two given nodes in the tree.
#Trees
#Recursion
#DFS
Backend Engineer
•
Coding
•
easy
Write a SQL query to find the second highest salary from an Employee table. If there is no second highest salary, return null.
#Database
#Queries
#Aggregation
Backend Engineer
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Coding
•
medium
Write a SQL query to rank employees within their respective departments based on their salaries.
#Database
#Window Functions
Backend Engineer
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Coding
•
medium
Given a string s, find the length of the longest substring without repeating characters.
#Strings
#Sliding Window
#Hash Maps
Backend Engineer
•
System Design
•
medium
Design a highly available API Gateway for a microservices architecture. What features would you include?
#API Gateway
#Microservices
#Security
#Routing
Backend Engineer
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System Design
•
hard
An enterprise client wants to migrate their legacy monolithic application to microservices. Walk me through your migration strategy.
#Migration
#Strangler Fig Pattern
#Microservices
Backend Engineer
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System Design
•
medium
Design a URL shortening service like Bitly. Focus on the data model and how you would scale the read requests.
#Scalability
#Hashing
#Caching
#Databases
Backend Engineer
•
System Design
•
hard
Design an inventory management system for an e-commerce platform that must handle high-traffic flash sales without overselling.
#Concurrency
#Databases
#Caching
#Message Queues
Backend Engineer
•
System Design
•
hard
Design a distributed rate limiter for a public-facing API to prevent abuse.
#Algorithms
#Distributed Systems
#Redis
Backend Engineer
•
System Design
•
medium
Design a real-time notification system (Email, SMS, Push) for a banking application.
#Asynchronous Processing
#Message Queues
#Third-party APIs
Backend Engineer
•
System Design
•
medium
How would you design a distributed caching layer using Redis for a read-heavy application? Discuss cache invalidation strategies.
#Caching
#Redis
#Performance
Backend Engineer
•
System Design
•
medium
Design a centralized logging and monitoring system for a distributed microservices environment spanning multiple AWS regions.
#Observability
#Logging
#ELK Stack
#AWS
Backend Engineer
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Technical
•
medium
What is the N+1 select problem in Hibernate/JPA, and how do you resolve it in a production enterprise application?
#Java
#Hibernate
#ORM
#Performance
Backend Engineer
•
Technical
•
easy
Explain Dependency Injection and Inversion of Control. How does Spring Boot implement these concepts?
#Java
#Spring Boot
#Architecture
Backend Engineer
•
Technical
•
medium
Explain the difference between @Controller and @RestController in Spring. How does message conversion work under the hood?
#Java
#Spring Boot
#REST
Backend Engineer
•
Technical
•
medium
How does the Circuit Breaker pattern work, and why is it essential in a microservices architecture?
#Architecture
#Resilience
#Spring Cloud
Backend Engineer
•
Technical
•
hard
Compare RabbitMQ and Apache Kafka. In an Accenture client project, how would you decide which one to use?
#Kafka
#RabbitMQ
#Event-Driven Architecture
Backend Engineer
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Technical
•
hard
Explain the ACID properties. How do you maintain data consistency across multiple microservices where distributed transactions are required?
#ACID
#Microservices
#Saga Pattern
#Two-Phase Commit
Backend Engineer
•
Technical
•
medium
What is the difference between clustered and non-clustered indexes in a relational database?
#SQL
#Indexing
#Performance
Backend Engineer
•
Technical
•
medium
How do you secure a REST API? Explain the lifecycle of a JWT (JSON Web Token) and how you handle token expiration.
#REST
#JWT
#Authentication
#Authorization
Backend Engineer
•
Technical
•
hard
Explain the concepts of Event Sourcing and CQRS (Command Query Responsibility Segregation). When should they be used?
#Microservices
#CQRS
#Event Sourcing
Backend Engineer
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Technical
•
medium
How do you manage database schema migrations in a CI/CD pipeline for a large-scale application?
#CI/CD
#Databases
#Flyway
#Liquibase
Difficulty Radar
Based on recent AI-sourced data.
Meet Your Interviewers
The "Standard" Interviewer
Senior EngineerFocuses on core competencies, system constraints, and clear communication.
SimulateUnwritten Rules
Think Out Loud
Always explain your thought process before writing code or drawing architecture.