Interview OS

Job application tracking and interview preparation workspace.

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The private, engineer-first career memory system. Built to help you track applications, reflect on interviews, and build a personal knowledge base.

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Designed and developed byMehedy Hasan Ador

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Community Interview Questions

Explore interview questions shared by job seekers and professionals, then use them to prepare with more context.

How do microservices communicate — REST, gRPC, and event-driven?

MicroservicesgRPCREST+1

by Mehedy Hasan Ador

How do you design a GraphQL schema with proper types, queries, and mutations?

GraphQLSchema DesignAPI

by Mehedy Hasan Ador

GraphQL vs REST — what are the trade-offs, and when would you choose GraphQL?

GraphQLRESTAPI Design

by Mehedy Hasan Ador

AWS ECS vs EKS vs Fargate — when would you choose each?

by Mehedy Hasan Ador

AWS S3, CloudFront, and Lambda — how do they work together for serverless?

AWSServerlessS3+2

by Mehedy Hasan Ador

How does Kubernetes autoscaling work — HPA, VPA, and cluster autoscaler?

KubernetesAutoscalingHPA+1

by Mehedy Hasan Ador

Explain Kubernetes core concepts — Pods, Deployments, and Services

KubernetesK8sCloud+1

by Mehedy Hasan Ador

How do you model many-to-many relationships in MongoDB vs SQL?

DatabaseData ModelingMongoDB+1

by Mehedy Hasan Ador

How do you handle database schema migrations in a team environment?

DatabaseMigrationsPrisma+1

by Mehedy Hasan Ador