Company
Deloitte
Real interview questions with expert answers, plain-English explanations, and practical examples. (11 questions)
Deloitte
Frontend Developer
React
A complex Deloitte React application is experiencing performance bottlenecks. How would a frontend developer diagnose and optimize its rendering and state management?
Deloitte
Data Engineer
Performance Optimization
A critical Deloitte data pipeline is failing to meet its SLAs due to performance bottlenecks. As a Data Engineer, how would you approach diagnosing and optimizing its end-to-end performance, from ingestion to consumption?
Deloitte
AI Engineer
Machine Learning
Once an AI model is deployed, how would you monitor its performance and health in production, and what strategies would you employ to maintain its effectiveness over time?
Deloitte
Backend Developer
Caching
A critical Deloitte backend service is experiencing database load due to frequent data access. How would a backend developer design and implement a distributed caching strategy to alleviate this, ensuring data consistency and optimal performance?
Deloitte
Network Engineer
Security
Explain the differences between an IDS and an IPS, and how would a network engineer deploy and configure both to enhance enterprise network security?
Deloitte
Network Engineer
Networking
Explain the differences between layer 4 and layer 7 load balancing, and when would a network engineer choose each?
Deloitte
Data Engineer
Data Structures & Algorithms
Explain the HyperLogLog algorithm, and how would a data engineer use it to estimate unique counts for massive datasets?
Deloitte
Cloud Engineer
Performance Optimization
How do you optimize a multi-region cloud application for performance and cost, specifically addressing data egress and latency?
Deloitte
Cloud Engineer
Containers & Kubernetes
How would you deploy a highly available and scalable web application on Kubernetes, explaining key design considerations?
Deloitte
Security Engineer
Security