Interview questions
Interview questions and answers for 30 IT roles.
Pick your role to see what interviewers really test, the questions you are most likely to hear, and model answers you can adapt to your own experience. Then practise them out loud with a free mock interview.
- Business Analyst Interview Questions and AnswersBusiness analyst interview questions with model answers on requirements, user stories, process mapping, SQL and stakeholder conflict. Prepare for 2026.Read the guide
- Project Manager Interview Questions and AnswersProject manager interview questions with model answers on planning, risk, budgets, Agile and hybrid delivery, stakeholders and recovering late projects.Read the guide
- Data Analyst Interview Questions and AnswersData analyst interview questions with model answers on SQL joins and window functions, Excel, Python pandas, statistics, A/B tests and dashboard design.Read the guide
- Power BI Developer Interview Questions and AnswersPower BI developer interview questions with model answers on DAX, data modelling, Power Query, row-level security, performance tuning and deployment.Read the guide
- Scrum Master Interview Questions and AnswersScrum master interview questions with model answers on Scrum events, impediments, velocity, coaching teams, retrospectives and scaling with SAFe in 2026.Read the guide
- Product Manager Interview Questions and AnswersProduct manager interview questions with model answers on product sense, metrics, prioritisation, roadmaps, A/B testing and working with engineering teams.Read the guide
- Java Developer Interview Questions and AnswersJava developer interview questions with model answers on collections, concurrency, JVM memory, Spring Boot, microservices, JPA and production debugging.Read the guide
- Python Developer Interview Questions and AnswersPython developer interview questions with model answers on data types, generators, decorators, the GIL, async, Django and FastAPI, testing and performance.Read the guide
- Frontend Developer Interview Questions and AnswersFrontend developer interview questions with model answers on JavaScript, the event loop, CSS layout, accessibility, browser rendering and Core Web Vitals.Read the guide
- React Developer Interview Questions and AnswersReact developer interview questions with model answers on hooks, rendering, state management, performance, Next.js, server components and testing in 2026.Read the guide
- Full Stack Developer Interview Questions and AnswersFull stack developer interview questions with model answers on REST APIs, auth, databases, React and Node.js, caching, deployment and system design basics.Read the guide
- .NET Developer Interview Questions and Answers.NET developer interview questions with model answers on C#, async and await, dependency injection, ASP.NET Core, Entity Framework Core and Azure in 2026.Read the guide
- DevOps Engineer Interview Questions and AnswersDevOps engineer interview questions with model answers on CI/CD, Docker, Kubernetes, Terraform, monitoring, incident response and deployment strategies.Read the guide
- Data Engineer Interview Questions and AnswersData engineer interview questions with model answers on SQL, Spark, data modelling, Airflow, Kafka, Snowflake and Databricks, data quality and pipelines.Read the guide
- Data Scientist Interview Questions and AnswersData scientist interview questions with model answers on statistics, machine learning, feature engineering, model evaluation, A/B tests, SQL and Python.Read the guide
- Machine Learning Engineer Interview Questions and AnswersMachine learning engineer interview questions with model answers on ML system design, MLOps, model serving, feature stores, monitoring, drift and LLM apps.Read the guide
- QA Engineer Interview Questions and AnswersQA engineer interview questions with model answers on test design, STLC, defect lifecycle, API testing, regression strategy, Agile QA and risk-based tests.Read the guide
- Automation Tester Interview Questions and AnswersAutomation tester interview questions with model answers on Selenium, Playwright, framework design, flaky tests, API automation and CI/CD integration.Read the guide
- Salesforce Developer Interview Questions and AnswersSalesforce developer interview questions with model answers on Apex, triggers, governor limits, LWC, SOQL, Flows, async Apex, security and integrations.Read the guide
- SAP Consultant Interview Questions and AnswersSAP consultant interview questions with model answers on S/4HANA, FICO, MM and SD processes, configuration, fit-gap, data migration, cutover and support.Read the guide
- AWS Cloud Engineer Interview Questions and AnswersAWS cloud engineer interview questions with model answers on VPC design, IAM, EC2, S3, high availability, serverless, cost optimisation and Terraform.Read the guide
- Azure Cloud Engineer Interview Questions and AnswersAzure cloud engineer interview questions with model answers on VNets, Entra ID, RBAC, AKS, App Service, Bicep and Terraform, monitoring and cost control.Read the guide
- SQL Developer Interview Questions and AnswersSQL developer interview questions with model answers on joins, window functions, indexing, execution plans, stored procedures, transactions and tuning.Read the guide
- Tableau Developer Interview Questions and AnswersTableau developer interview questions with model answers on LOD expressions, calculated fields, data sources, extracts, performance and dashboard design.Read the guide
- ServiceNow Developer Interview Questions and AnswersServiceNow developer interview questions with model answers on business rules, client scripts, GlideRecord, Flow Designer, ACLs, integrations and upgrades.Read the guide
- Cybersecurity Analyst Interview Questions and AnswersCybersecurity analyst interview questions with model answers on SOC triage, SIEM, incident response, phishing, MITRE ATT&CK, vulnerabilities and cloud.Read the guide
- Network Engineer Interview Questions and AnswersNetwork engineer interview questions with model answers on OSI, subnetting, VLANs, OSPF and BGP, firewalls, VPNs, SD-WAN and troubleshooting outages.Read the guide
- UI/UX Designer Interview Questions and AnswersUI/UX designer interview questions with model answers on design process, user research, usability testing, Figma, design systems and accessibility.Read the guide
- ETL Developer Interview Questions and AnswersETL developer interview questions with model answers on Informatica, SSIS, ADF, incremental loads, SCDs, error handling, performance and data validation.Read the guide
- Technical Support Engineer Interview Questions and AnswersTechnical support engineer interview questions with model answers on troubleshooting, ticket triage, escalations, SLAs, networking, logs and customers.Read the guide
P.S.
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