DXC Technology
American multinational B2B IT services provider.
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
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System Design
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medium
Design a URL Shortening service like Bitly. Focus on the database schema and the URL generation algorithm.
#Scalability
#Database Design
#Algorithms
Backend Engineer
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System Design
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hard
Design an event-driven notification system using Apache Kafka. How do you ensure messages are not lost and are processed exactly once?
#Event-Driven
#Kafka
#Asynchronous
Backend Engineer
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System Design
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medium
How do you handle service discovery and client-side load balancing in a Spring Boot microservices ecosystem?
#Microservices
#Networking
#Spring Cloud
Backend Engineer
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System Design
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medium
Design a centralized logging and monitoring strategy for a distributed microservices application deployed on Kubernetes.
#Observability
#DevOps
#Microservices
Backend Engineer
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System Design
•
medium
How do you implement rate limiting for a public-facing API to prevent abuse?
#API Gateway
#Security
#Algorithms
Backend Engineer
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System Design
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hard
Explain the Saga design pattern. How would you implement distributed transactions across multiple microservices?
#Microservices
#Distributed Transactions
Backend Engineer
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System Design
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hard
How would you design a microservices architecture for an e-commerce checkout system? How do you handle inventory reservation?
#Microservices
#E-commerce
#Event-Driven
Cloud Engineer
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System Design
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hard
Design a highly available hybrid cloud architecture connecting a client's on-premise data center to Azure, ensuring secure and low-latency data transfer.
#Hybrid Cloud
#Azure ExpressRoute
#VPN Gateway
#Networking
Cloud Engineer
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System Design
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hard
Design a Disaster Recovery (DR) strategy for a mission-critical financial application with a Recovery Point Objective (RPO) of 5 minutes and a Recovery Time Objective (RTO) of 1 hour.
#Disaster Recovery
#RPO/RTO
#High Availability
#Multi-Region
Cloud Engineer
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System Design
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medium
Design an event-driven architecture using AWS Lambda, SQS, and SNS (or Azure equivalents) to process thousands of uploaded images asynchronously.
#Event-Driven Architecture
#Serverless
#Microservices
#Decoupling
Data Engineer
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System Design
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hard
Design an ETL pipeline to migrate daily transactional data from an on-premise SQL Server to an AWS S3 data lake, and then to Redshift for reporting.
#AWS
#ETL Architecture
#Data Lake
#Redshift
Data Engineer
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System Design
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hard
Design a Data Lakehouse architecture for a large retail client. How does it differ from a traditional Data Lake?
#Data Lakehouse
#Databricks
#Delta Lake
#Architecture
Data Engineer
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System Design
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hard
How would you design a real-time streaming pipeline to process IoT sensor data and generate alerts for anomalies?
#Streaming
#Kafka
#Spark Streaming
#Real-time Processing
Data Engineer
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System Design
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medium
Explain the Lambda Architecture. What are its pros and cons compared to the Kappa Architecture?
#Data Architecture
#Batch Processing
#Stream Processing
Data Scientist
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System Design
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hard
Design an NLP pipeline to extract key clauses and entities from thousands of scanned legacy PDF contracts for a legal client.
#NLP
#OCR
#Information Extraction
#LLMs
Data Scientist
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System Design
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hard
Design a real-time anomaly detection system for network security logs. The system must process 100,000 events per second.
#Streaming
#Anomaly Detection
#Scalability
#Cybersecurity
Data Scientist
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System Design
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medium
Design a system to automatically categorize and route incoming IT support tickets to the correct resolution team using machine learning.
#NLP
#Text Classification
#API Design
#Enterprise Architecture
Data Scientist
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System Design
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hard
Design an end-to-end architecture for deploying a predictive maintenance model for a manufacturing client. How do you get data from IoT sensors to the model and return predictions?
#IoT
#MLOps
#Cloud Architecture
#Streaming
DevOps Engineer
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System Design
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hard
Design a highly available, multi-region CI/CD architecture for a global banking client that requires strict compliance and zero downtime deployments.
#High Availability
#CI/CD
#Architecture
#Compliance
DevOps Engineer
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System Design
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hard
Design a disaster recovery strategy for a stateful application hosted on AWS, ensuring an RPO of 15 minutes and RTO of 1 hour.
#Disaster Recovery
#AWS
#Architecture
DevOps Engineer
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System Design
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hard
A client wants to migrate their on-premise data center to Azure. Walk me through the steps and tools you would use to assess and migrate their VMs and databases.
#Cloud Migration
#Azure
#Architecture
Frontend Engineer
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System Design
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hard
Design the frontend architecture for a large-scale enterprise dashboard that visualizes real-time financial data.
#Frontend Architecture
#WebSockets
#Performance
Frontend Engineer
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System Design
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hard
How would you design a micro-frontend architecture for a legacy monolithic application being modernized by DXC?
#Micro-frontends
#Module Federation
#Legacy Modernization
Frontend Engineer
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System Design
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medium
Design an autocomplete search component. Discuss API debouncing, caching, and accessibility.
#Component Design
#Performance
#Accessibility
Frontend Engineer
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System Design
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hard
Design a scalable design system and component library to be used across multiple DXC client projects.
#Design Systems
#Architecture
#Reusability
Full Stack Engineer
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System Design
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medium
Design a centralized logging and monitoring architecture for a distributed microservices ecosystem.
#Observability
#DevOps
#Microservices
Full Stack Engineer
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System Design
•
medium
Design a URL shortener service like Bitly. How do you ensure uniqueness and handle high read volumes?
#Hashing
#Caching
#Scalability
Full Stack Engineer
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System Design
•
hard
Design an e-commerce checkout service that handles high concurrency during a Black Friday sale.
#Concurrency
#Distributed Systems
#Databases
Full Stack Engineer
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System Design
•
hard
Design a scalable notification system capable of sending millions of emails, SMS, and push notifications daily for an enterprise client.
#Message Queues
#Microservices
#Scalability
Full Stack Engineer
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System Design
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hard
Design a legacy-to-cloud migration strategy for a monolithic on-premise application. How do you ensure zero downtime for the client?
#Cloud Migration
#Microservices
#Strangler Fig Pattern
Machine Learning Engineer
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System Design
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medium
How do you handle A/B testing for a newly deployed recommendation model on an e-commerce platform?
#A/B Testing
#Recommendation Systems
#Experimentation
Machine Learning Engineer
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System Design
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hard
Design a real-time fraud detection system for a banking client processing thousands of transactions per second.
#Fraud Detection
#Real-time Processing
#Scalability
Machine Learning Engineer
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System Design
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hard
Design a machine learning system to predict server and hardware failures in a large enterprise data center (Predictive Maintenance).
#Predictive Maintenance
#IoT Data
#Streaming Architecture
Machine Learning Engineer
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System Design
•
hard
Design an enterprise document search system using Large Language Models (LLMs) and Vector Databases (RAG architecture).
#LLMs
#RAG
#Vector Databases
#NLP
Product Manager
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System Design
•
hard
Design a disaster recovery and business continuity reporting tool for enterprise clients.
#Disaster Recovery
#Enterprise Security
#Reporting
#High Availability
Product Manager
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System Design
•
hard
How would you architect a data pipeline for ingesting and processing client telemetry data from thousands of IoT devices?
#Data Pipelines
#IoT
#Streaming Data
#Scalability
Product Manager
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System Design
•
hard
Design a system for monitoring SLA (Service Level Agreement) compliance across multiple third-party cloud providers for a single client.
#Monitoring
#Cloud Architecture
#SLAs
#Data Aggregation
Product Manager
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System Design
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hard
Design an automated IT Service Management (ITSM) ticketing system that uses AI to route tickets to the correct support tier.
#AI/ML Integration
#ITSM
#Workflow Automation
#Scalability
Product Manager
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System Design
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hard
Design a cloud migration dashboard for enterprise clients transitioning from on-premise to AWS/Azure.
#Cloud Infrastructure
#UX/UI
#Enterprise Software
#Data Visualization
Product Manager
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System Design
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hard
Design a billing and invoicing engine for a usage-based enterprise cloud service.
#Billing Systems
#Usage Metering
#Financial Software
#Scalability
Product Manager
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System Design
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hard
How would you design a scalable Identity and Access Management (IAM) solution for a client with 100,000+ employees across multiple geographies?
#IAM
#Security
#Scalability
#Enterprise Architecture
Product Manager
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Technical
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medium
Explain the difference between multi-tenant and single-tenant architecture and when you would recommend each to a B2B client.
#SaaS Architecture
#Cloud Hosting
#Enterprise Software
Software Engineer
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System Design
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hard
DXC frequently helps clients modernize legacy systems. Walk me through how you would design a strategy to migrate an on-premise monolithic application to a cloud-based microservices architecture.
#Microservices
#Cloud Migration
#Architecture
Software Engineer
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System Design
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hard
Design an inventory management system for a large e-commerce client. How do you handle concurrent purchases of the last item in stock?
#Concurrency
#Databases
#E-commerce
Software Engineer
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System Design
•
medium
Explain how you would implement caching in a high-traffic enterprise application. What caching strategies would you use?
#Caching
#Performance
#Redis
Software Engineer
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System Design
•
medium
How would you design a distributed logging and monitoring system for an enterprise application consisting of 50+ microservices?
#Observability
#Microservices
#Infrastructure
Software Engineer
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System Design
•
medium
Design a highly available URL Shortener service (like bit.ly).
#Scalability
#Hashing
#Databases
Difficulty Radar
Based on recent AI-sourced data.
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The "Standard" Interviewer
Senior EngineerFocuses 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.