100 GraphQL Interview Questions
A Docusaurus-ready MDX guide covering GraphQL fundamentals, schema design, operations, performance, security, tooling, and advanced architecture topics.
A Docusaurus-ready MDX guide covering GraphQL fundamentals, schema design, operations, performance, security, tooling, and advanced architecture topics.
A backend system design note explaining horizontal scaling, vertical scaling, tradeoffs, and interview-ready examples.
A backend system design note explaining horizontal scaling, vertical scaling, tradeoffs, and interview-ready examples.
A backend system design note explaining horizontal scaling, vertical scaling, tradeoffs, and interview-ready examples.
Staff-level system design guide for a production conversational AI application
Staff-level frontend system design guide covering requirements, entities, APIs, streaming, state management, rendering performance, reliability, accessibility, and frontend scale.
Multi-Tenant CI/CD Workflow System
Staff engineer level answer outline with requirements, architecture, entities, APIs, data flow, technology choices, trade-offs, and interview talking points.
Staff engineer level answer outline with requirements, architecture, entities, APIs, data flow, technology choices, trade-offs, and interview talking points.
Staff-level framework for choosing SQL vs NoSQL vs time-series databases, with Model Foundry examples and tradeoffs.
Staff-level full-stack and agentic system design for an assistant that answers questions about campaigns, audiences, content, and customer journeys, then executes approved actions.
Staff engineer level answer outline with requirements, architecture, entities, APIs, data flow, technology choices, trade-offs, and interview talking points.
Staff-level system design guide for a cloud file sync and sharing product
End-to-end frontend and backend system design for an enterprise Q&A and action-taking copilot that exposes existing internal APIs through MCP.
A frontend system design guide for building a personalized, long-lived, interaction-heavy news feed.
A detailed interview narrative for explaining how I led feature drift detection from ambiguous product needs to a scalable production system.
Staff-level system design guide for a cloud file sync and sharing product
Flink vs. Temporal decision
A staff-level frontend system design interview guide for building scalable light/dark mode architecture with persisted user preferences, design tokens, accessibility, and trade-off analysis.
Staff-level system design for a durable, fair, isolated, real-time CI/CD workflow execution platform similar to GitHub Actions.
A frontend system design guide for google docs
Comprehensive GraphQL interview preparation guide with staff-level explanations, examples, system design prompts, and evaluation rubrics.
Comprehensive GraphQL interview preparation guide with staff-level explanations, examples, system design prompts, and evaluation rubrics.
Comprehensive GraphQL interview preparation guide with staff-level explanations, examples, system design prompts, and evaluation rubrics.
A staff-level checklist for building system design fundamentals, request-flow thinking, data modeling, scale, and reliability
Staff-level frontend and backend design for localization, content translation, and locale-aware product delivery
Job scheduler design systems
Interview-ready explanation of how LinkedIn adopted GraphQL for product development, including architecture, design workflow, testing, rollout, and tradeoffs.
Interview-ready explanation of how LinkedIn adopted GraphQL for product development, including architecture, design workflow, testing, rollout, and tradeoffs.
Interview-ready explanation of how LinkedIn adopted GraphQL for product development, including architecture, design workflow, testing, rollout, and tradeoffs.
Staff-level system design for AI assistants: agent architecture, tool calling patterns, authorization, RAG, and the boundary between LLM reasoning and backend authority.
Metrics monitoring
Staff-level system design for a conversational AI agent that reuses Model Foundry metrics APIs to answer questions, detect unhealthy models, explain anomalies, and recommend approved actions.
Interview-ready system design guide for AI-native file upload, ingestion, indexing, search, retrieval, and RAG.
News Aggregator design
Interview-ready frontend and backend system design for an online chess playing platform using single-writer game ownership, WebSockets, server-authoritative clocks, event sourcing, and async downstream processing.
Staff-level system design for a code/text sharing platform
System design for payment system
A workspace that lets engineers and product teams iterate on prompts, test them against multiple models, version-control the results, and run automated evaluations — all from a single UI.
Staff-level interview guide for designing an accessible, responsive, performant, and internationalized calendar date-picker.
High level design system for SPV
High level system design for SPV webhook
Staff-level interview guide for designing, building, distributing, and operating a cross-framework component library with Stencil.js, including a comparison with Lit.
Web Crawler system design
Webhook callback system design
Staff-level frontend and backend system design guide for a reliable private messaging product