Infosys
Global leader in next-generation digital services and consulting.
3 Rounds
~14 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
Cloud Engineer
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System Design
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hard
Design a scalable log ingestion and analytics system for a microservices architecture generating 5TB of logs daily.
#Logging
#Big Data
#Elasticsearch
#Kafka
Cloud Engineer
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System Design
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hard
Explain the concept of RTO (Recovery Time Objective) and RPO (Recovery Point Objective). How do they influence your Disaster Recovery strategy in AWS?
#Disaster Recovery
#AWS
#Architecture
Cloud Engineer
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System Design
•
medium
Design a secure and scalable architecture for a web application that requires processing large amounts of user-uploaded images asynchronously.
#Asynchronous Processing
#Message Queues
#AWS S3
#AWS SQS
Cloud Engineer
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System Design
•
medium
Design an API Gateway architecture for a client transitioning from a monolith to microservices. How do you handle authentication, rate limiting, and routing?
#API Gateway
#Microservices
#Security
Data Engineer
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System Design
•
hard
Design a data quality framework for a newly built data lakehouse. What checks would you implement?
#Data Quality
#Data Governance
#Lakehouse
Data Engineer
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System Design
•
medium
Design an ETL pipeline to migrate on-premise SQL Server data to Azure Synapse Analytics for a retail client.
#Azure Data Factory
#Azure Synapse
#Data Migration
#ETL
Data Engineer
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System Design
•
hard
Design a real-time streaming pipeline to process clickstream data and generate hourly aggregations.
#Kafka
#Spark Structured Streaming
#Real-time Processing
#Cloud Architecture
Data Engineer
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System Design
•
hard
Design a batch data pipeline to process 10TB of daily transaction logs, ensuring idempotency and fault tolerance.
#Batch Processing
#Idempotency
#Fault Tolerance
#Data Lakehouse
Data Scientist
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System Design
•
hard
Design a system to predict equipment failure in a manufacturing plant using IoT sensor data. How do you handle the high-frequency streaming data?
#IoT
#Streaming Data
#Predictive Maintenance
#Kafka
Machine Learning Engineer
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System Design
•
hard
Design a scalable recommendation engine for an e-commerce client. How do you handle the cold start problem for new users and new items?
#Recommender Systems
#Architecture
Machine Learning Engineer
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System Design
•
hard
Design a predictive maintenance system for a manufacturing client's IoT sensor data to predict machine failures before they happen.
#IoT
#Time Series
#Architecture
Machine Learning Engineer
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System Design
•
hard
How would you design a real-time credit card fraud detection system capable of processing thousands of transactions per second?
#Real-time Processing
#Scalability
#Machine Learning
Machine Learning Engineer
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System Design
•
medium
Design an MLOps pipeline for the continuous training and deployment of an NLP sentiment analysis model.
#MLOps
#CI/CD
#NLP
Machine Learning Engineer
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System Design
•
medium
A client wants to automate invoice processing. Design a document extraction system using OCR and Large Language Models.
#Computer Vision
#LLMs
#Architecture
Machine Learning Engineer
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System Design
•
hard
How do you serve a PyTorch model in production to handle 10,000 requests per minute efficiently?
#Model Serving
#Scalability
Machine Learning Engineer
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System Design
•
hard
Design a personalized, secure chatbot for a banking client using Generative AI. How do you ensure it doesn't hallucinate sensitive financial advice?
#Generative AI
#Security
#Architecture
Software Engineer
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System Design
•
medium
Design a URL shortening service like TinyURL. What database would you choose and why?
#Scalability
#Database Design
#Hashing
Software Engineer
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System Design
•
medium
Explain how you would implement rate limiting for a public-facing API.
#API Gateway
#Security
#Algorithms
Software Engineer
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System Design
•
hard
How would you design a scalable e-commerce checkout system that handles high traffic during a flash sale?
#Microservices
#Message Queues
#Concurrency
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.