Deloitte

Multinational professional services network with offices in over 150 countries.

4 Rounds ~21 Days Medium

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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

All Roles Backend Engineer 35 Cloud Engineer 35 Data Engineer 35 Data Scientist 35 DevOps Engineer 35 Frontend Engineer 35 Full Stack Engineer 35 Machine Learning Engineer 35 Product Manager 35 Software Engineer 35

All Topics Algorithms 3 Scripting & Automation 3 Containers & Orchestration 3 Cloud Architecture 2 Cloud Migration 2 Troubleshooting 2 Infrastructure as Code 2 Networking 2

Cloud Engineer • Behavioral • medium

Tell me about a time you had to explain a complex cloud architecture to a non-technical client stakeholder. How did you ensure they understood?

#Communication #Consulting #Stakeholder Management

Practice

Cloud Engineer • Behavioral • medium

Tell me about a time you identified a significant cost-saving opportunity in a cloud environment.

#Cost Optimization #Initiative #Problem Solving

Practice

Cloud Engineer • Behavioral • hard

A client is pushing back on implementing automated testing in the CI/CD pipeline due to budget constraints. How do you handle this?

#Negotiation #DevOps Culture #Client Management

Practice

Cloud Engineer • Behavioral • medium

Tell me about a time you disagreed with a senior architect or technical lead on a design decision. How did you resolve it?

#Teamwork #Communication #Professionalism

Practice

Cloud Engineer • Behavioral • medium

Describe a time when a project scope changed drastically midway through. How did you adapt?

#Agile #Scope Creep #Consulting

Practice

Cloud Engineer • Behavioral • hard

Tell me about a time you had to deliver bad news to a client regarding a project deadline.

#Accountability #Communication #Consulting

Practice

Cloud Engineer • Behavioral • easy

Tell me about a time you mentored a junior engineer or helped upskill a client's internal team.

#Mentorship #Knowledge Transfer #Consulting

Practice

Cloud Engineer • Behavioral • easy

Why do you want to work as a Cloud Engineer at Deloitte specifically, compared to an in-house engineering role?

#Motivation #Consulting #Career Goals

Practice

Cloud Engineer • Coding • medium

Write a Python script using Boto3 to identify and stop all EC2 instances that do not have a 'Project' tag.

#Python #AWS #Boto3 #Automation

Practice

Cloud Engineer • Coding • easy

Given an array of integers, return indices of the two numbers such that they add up to a specific target.

#Arrays #Hash Maps

Practice

Cloud Engineer • Coding • medium

Write a Bash script to parse an Nginx access log and count the number of 5xx HTTP status codes.

#Bash #Linux #Log Parsing

Practice

Cloud Engineer • Coding • easy

Given a string containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid.

#Strings #Stacks

Practice

Cloud Engineer • Coding • medium

Write a function to merge overlapping intervals. This is useful for processing overlapping log timeframes.

#Arrays #Sorting

Practice

Cloud Engineer • Coding • easy

Write a Python script to parse a JSON file containing cloud resource configurations and extract all resource IDs.

#Python #JSON #Data Parsing

Practice

Cloud Engineer • System Design • hard

Walk me through how you would design a secure, highly available 3-tier web application architecture on AWS for a financial services client.

#AWS #VPC #High Availability #Security

Practice

Cloud Engineer • System Design • medium

A client wants to migrate their monolithic on-premise application to the cloud. What migration strategy would you recommend and why?

#Migration Strategies #6 Rs #Architecture

Practice

Cloud Engineer • System Design • hard

Design a disaster recovery strategy for a mission-critical database with an RPO of 5 minutes and an RTO of 1 hour.

#RPO/RTO #Database Replication #Multi-Region

Practice

Cloud Engineer • System Design • medium

Design a serverless data ingestion pipeline that processes JSON files uploaded to an S3 bucket and stores the parsed data in DynamoDB.

#AWS Lambda #S3 #DynamoDB #Event-Driven Architecture

Practice

Cloud Engineer • System Design • hard

Design a highly scalable microservices architecture for an e-commerce platform using Azure services.

#Azure #Microservices #Scalability

Practice

Cloud Engineer • System Design • medium

Design a centralized logging and monitoring solution for a multi-region cloud environment.

#Logging #Monitoring #ELK/Prometheus

Practice

Cloud Engineer • Technical • medium

How do you manage Terraform state files in a team environment to prevent conflicts and ensure security?

#Terraform #State Management #CI/CD

Practice

Cloud Engineer • Technical • medium

Explain the difference between an Application Load Balancer (ALB) and a Network Load Balancer (NLB). When would you use each?

#Load Balancing #OSI Model #AWS

Practice

Cloud Engineer • Technical • medium

How do you handle secrets and sensitive data in a CI/CD pipeline?

#CI/CD #DevSecOps #Secret Management

Practice

Cloud Engineer • Technical • medium

Describe the lifecycle of a Kubernetes Pod. What happens when a Pod crashes?

#Kubernetes #Pods #Troubleshooting

Practice

Cloud Engineer • Technical • easy

What is the difference between IAM Roles and IAM Policies in AWS?

#AWS IAM #Access Control

Practice

Cloud Engineer • Technical • hard

Explain how you would set up a Blue/Green deployment strategy using Kubernetes.

#Kubernetes #Deployments #Traffic Routing

Practice

Cloud Engineer • Technical • medium

What are Terraform modules, and how do they promote DRY principles?

#Terraform #DRY #Code Reusability

Practice

Cloud Engineer • Technical • medium

How do you troubleshoot a 'CrashLoopBackOff' error in Kubernetes?

#Kubernetes #Debugging #Containers

Practice

Cloud Engineer • Technical • medium

Explain the concept of a VPC Peering connection. What are its limitations?

#AWS VPC #Networking #Routing

Practice

Cloud Engineer • Technical • hard

A client's cloud infrastructure is experiencing intermittent latency spikes. Walk me through your troubleshooting steps.

#Performance Tuning #Observability #Networking

Practice

Cloud Engineer • Technical • hard

How do you enforce compliance and governance policies across multiple AWS accounts?

#AWS Organizations #SCPs #AWS Config

Practice

Cloud Engineer • Technical • easy

What is the difference between Docker CMD and ENTRYPOINT?

#Docker #Containerization

Practice

Cloud Engineer • Technical • medium

Explain the Strangler Fig pattern in the context of cloud migrations.

#Microservices #Migration Strategies #Architecture

Practice

Cloud Engineer • Technical • medium

How do you optimize a Dockerfile to reduce the image size and improve build times?

#Docker #Optimization #CI/CD

Practice

Cloud Engineer • Technical • easy

What are the differences between Azure Blob Storage tiers (Hot, Cool, Archive) and when would you use each?

#Azure #Storage #Cost Optimization

Practice

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Senior Engineer

Focuses on core competencies, system constraints, and clear communication.

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Think Out Loud

Always explain your thought process before writing code or drawing architecture.

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