Software Development
6 rolesJava / Spring Boot Developer
200 Qs15 skill & tool topics · 107 senior-level · with answers
Spring Boot CoreSpring Data & JPA/HibernateREST API DesignSpring Security+11 more
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Python Developer
200 Qs14 skill & tool topics · 102 senior-level · with answers
Core Python & Data ModelAsync & Concurrency (asyncio/GIL)DjangoFastAPI/Flask+10 more
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Node.js Developer
200 Qs14 skill & tool topics · 110 senior-level · with answers
Event Loop & AsyncExpress/NestJSREST & API DesignStreams & Buffers+10 more
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React / Frontend Developer
200 Qs15 skill & tool topics · 103 senior-level · with answers
React & HooksState ManagementNext.js & SSRTypeScript+11 more
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Full Stack Developer
200 Qs16 skill & tool topics · 105 senior-level · with answers
End-to-End Feature DesignAPI Contracts (REST/GraphQL)Auth & Sessions (OAuth/JWT)React/Frontend Integration+12 more
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Mobile Developer
200 Qs16 skill & tool topics · 104 senior-level · with answers
Android/KotliniOS/SwiftFlutterReact Native+12 more
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Cloud & Infrastructure
2 rolesDevOps / SRE / Platform Engineer
200 Qs16 skill & tool topics · 104 senior-level · with answers
KubernetesCI/CD PipelinesTerraform & IaCObservability (Metrics/Logs/Traces)+12 more
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Cloud Engineer / Cloud Architect
200 Qs16 skill & tool topics · 108 senior-level · with answers
AWS Compute (EC2/Lambda/ECS/EKS)AWS Storage (S3/EBS)AzureGCP+12 more
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Data & AI
5 rolesData Engineer
200 Qs14 skill & tool topics · 110 senior-level · with answers
SQL & Query OptimizationSpark & Distributed ProcessingKafka & StreamingAirflow & Orchestration+10 more
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Data Scientist / ML Engineer
200 Qs14 skill & tool topics · 109 senior-level · with answers
Statistics & InferenceFeature EngineeringModel Selection & EvaluationSupervised Learning+10 more
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AI / GenAI Engineer
200 Qs14 skill & tool topics · 110 senior-level · with answers
LLM FundamentalsPrompt EngineeringRAG & RetrievalVector Databases+10 more
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MLOps Engineer
200 Qs14 skill & tool topics · 102 senior-level · with answers
Model Deployment & ServingModel Monitoring & DriftML Pipelines (Kubeflow/Airflow)Feature Stores+10 more
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Data Analyst / BI Analyst
200 Qs14 skill & tool topics · 110 senior-level · with answers
SQL & AnalyticsData VisualizationTableau / Power BIDashboard Design+10 more
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Enterprise Applications
5 rolesSAP Consultant / SAP Developer
200 Qs14 skill & tool topics · 101 senior-level · with answers
ABAP DevelopmentSAP S/4HANASAP FICOSAP MM+10 more
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Salesforce Developer / Administrator
200 Qs14 skill & tool topics · 105 senior-level · with answers
Apex DevelopmentLightning Web ComponentsFlows & AutomationData Model & Objects+10 more
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ServiceNow Developer / Administrator
200 Qs14 skill & tool topics · 100 senior-level · with answers
Scripting (Server/Client)Flow DesignerITSMBusiness Rules & GlideRecord+10 more
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Workday Consultant
200 Qs14 skill & tool topics · 107 senior-level · with answers
Core HCMBusiness Process FrameworkSecurity & DomainsCalculated Fields+10 more
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Oracle Consultant
200 Qs14 skill & tool topics · 111 senior-level · with answers
PL/SQLDatabase AdministrationPerformance TuningOracle EBS+10 more
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Quality & Security
2 rolesQA / SDET
200 Qs16 skill & tool topics · 112 senior-level · with answers
Test Strategy & PyramidSeleniumPlaywright/CypressAPI Testing (Postman/RestAssured)+12 more
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Cybersecurity Engineer
200 Qs16 skill & tool topics · 112 senior-level · with answers
Incident Response & ForensicsSIEM & Detection Engineering (Splunk/Sentinel)Threat Hunting & IntelCloud Security (AWS/Azure IAM)+12 more
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Product & Architecture
3 rolesProduct Manager
200 Qs14 skill & tool topics · 113 senior-level · with answers
Product StrategyRoadmap & PrioritizationMetrics & AnalyticsUser Research+10 more
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Business Analyst
200 Qs16 skill & tool topics · 108 senior-level · with answers
Requirements ElicitationUser Stories & Acceptance CriteriaStakeholder ManagementProcess Modeling (BPMN/flowcharts)+12 more
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Solutions Architect
200 Qs14 skill & tool topics · 103 senior-level · with answers
System DesignCloud ArchitectureIntegration PatternsMicroservices vs Monolith+10 more
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Support & Operations
2 rolesApplication / Production Support Engineer
200 Qs14 skill & tool topics · 110 senior-level · with answers
Troubleshooting MethodLinux & Command LineLog Analysis (Splunk/ELK/grep)Networking Basics (DNS/TLS/HTTP)+10 more
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Technical Support Engineer
200 Qs14 skill & tool topics · 102 senior-level · with answers
Troubleshooting MethodologyCustomer CommunicationAPI & Integration SupportLog & Error Analysis+10 more
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