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Technologies
- Agentic AI termsInterview
- AI & MLAPI
- AI AgentsAPI
- AI ToolsAPI
AngularAPI- Auth.jsAPI
ClerkAPI- ConformAPI
Deep AgentsAPI- DevOpsAPI
FastAPIAPI
Flutter & DartAPI
GoAPI
- HTTPXAPI
- InngestAPI
- IntegrationsAPI
KerasAPI
Key TanStack librariesInterview- KindeAPI
Linux & ShellAPI
NumPyAPI
PandasAPI
PlotlyAPI
PolarsAPI
PostgreSQLAPI
PydanticAPI
PyTorchAPI
- RequestsAPI
RustAPI
Scikit-LearnAPI
SciPyAPI
ScrapyAPI- SeabornAPI
SupabaseAPI
- T3 StackAPI
TensorFlowAPI
Vue.jsAPI
ZodAPI
Technology handbooks
- Git
- Modern Full-Stack Technologies
uv package manager
Redis caching solutions- Zod validation libraries
Zustand- Redux
- Redux Toolkit
TanStack Query- TanStack Form
- TanStack Table
- TanStack Router
- TanStack Start
- TanStack Virtual
- Prisma
- Drizzle ORM
- Neon
- Upstash
- Authentication with Auth.js & Kinde Auth
- BetterAuth
- Clerk user management
Terraform
Kubernetes- GitHub Actions
- Webhook
- Inngest services
- Arcjet
- Payment gateway integration
- Conform - Validation libraries
- T3 environment
- System Design
React 19+
Next.js 16+- Next.js 16+ Hooks
- React 19+ Hooks
JavaScript (ECMAScript 2026)
TypeScript 7
Playwright Automation- Jest
- React Testing Library
Vitest- Cypress
Node.js
Nest.js- Node.js Packages
- Nest.js Packages
- Next.js 16+ APIs
Python Packages
GraphQL- Playwright
LangChain- LangGraph
- LangSmith
LangFlow
n8n
Docker
DevOps with AWS CI/CD- Agentic AI
System design and AI agent blueprints
System Design
- Food delivery: order to doorstep
- Cab booking end to end (Uber & Ola)
- API rate limiter
- Cache-aside caching
- Event-driven order processing
- Scalable web architecture
- Database sharding & replication
- Payment processing that never charges twice
- Notification service at scale
- Social news feed with fan-out
- Real-time chat over WebSockets
- Video upload & adaptive streaming
- Search autocomplete (typeahead)
- Distributed job scheduler
- Ride-hailing driver matching
- E-commerce platform: buy, sell, deliver, return
- School & university management system
- Campus placement workflow
- Movie & event ticket booking (BookMyShow)
- Hotel reservation & room inventory
- Stock trading & order matching engine
- UPI payment flow end to end
- Distributed cache cluster
- Cloud file storage & sync (Google Drive, Dropbox)
- Web crawler at scale
- Collaborative document editing (Google Docs)
- Metrics, logs & alerting platform
- API gateway with canary releases
- 10-minute grocery delivery (dark stores)
- Real-time gaming leaderboard
LangChain
- Retrieval-augmented generation (RAG)
- Tool-calling agent loop
- Fraud investigation copilot
- Contract review assistant
- Invoice data extraction
- Text-to-SQL analytics assistant
- Resume screening with structured output
- Hybrid search RAG with reranking and citations
- Customer chat with short- and long-term memory
- Email agent with middleware guardrails
- Agent with tools from MCP servers
- Resilient agent with model fallbacks & retries
- Web research agent that writes a report
- Multimodal document understanding for KYC
- Pull request review assistant
- Support FAQ bot with semantic caching
- CRM sales copilot
LangGraph
- Stateful graph with human review
- Multi-agent supervisor
- Customer support agent that resolves refunds
- Prior-authorization assistant
- Emergency triage & bed allocation
- Motor insurance claims processing
- On-call incident response agent
- Supply-chain disruption planner
- Plan-and-execute agent with replanning
- Self-correcting code generation loop
- Travel booking with agent handoffs
- Personal assistant with long-term memory
- Loan underwriting with durable execution
- Parallel summarisation with the Send API
- Debugging an agent with time travel
- Customer onboarding (KYC) with subgraphs
- Streaming tutor app
- Corrective (adaptive) RAG
- Deep research agent with subagents
LangFlow
- A visual RAG chatbot in Langflow
- HR & IT helpdesk agent
- Property lead qualification
- Guest review triage
- PDF Q&A flow served as an API
- Agent component with tools
- Exposing flows as MCP tools
- Multi-agent content pipeline
- Webhook-triggered ticket enrichment
- Chatbot with per-session memory
- Structured extraction from emails into a database
- Building a custom component
- Document ingestion pipeline
- Marketing copy with prompt chaining
- Taking a flow to production with tracing
LangSmith
- Trace, evaluate, improve
- Release gate for a coding agent
- Prompt & model experiments
- Customer feedback to regression tests
- Evaluating a RAG application
- Calibrating LLM-as-judge evaluators
- Pairwise comparison of two app versions
- Online evaluation & production alerts
- Human review with annotation queues
- Prompt versioning in the Prompt Hub
- Evaluating agent trajectories
- Cost & latency monitoring from traces
- Tracing any app with OpenTelemetry
- Curating golden datasets from production
- Evals in CI with pytest and Vitest
n8n
- Lead capture, enrichment & AI scoring
- Support email triage with AI drafts
- Company docs chatbot with the AI Agent node
- Invoice extraction & approval
- News to social posts pipeline
- Meeting recordings to notes & tasks
- E-commerce order sync & stock alerts
- Employee onboarding automation
- Incident alert routing with AI summaries
- Resume screening with human approval
- Scheduled ETL between systems
- Appointment booking agent on WhatsApp
Technology comparisons
- What is the difference among LangChain, LangGraph and LangSmith?
- What is the difference among Redux, Zustand and Redux Toolkit?
- What is the difference between Next.js 16 and TanStack (Start, Router and Query)?
- What is the difference between n8n and LangChain and LangGraph?
- What is the difference between LangFlow and LangChain?
- What is the difference among RAG, fine-tuning and prompt engineering?
- What is the difference among an AI agent, an AI workflow and a chatbot?
- What is the difference among MCP, A2A and function calling?
- What is the difference between React and Next.js?
- What is the difference between React Server Components and Client Components?
- What is the difference among SSR, SSG, ISR and Partial Prerendering?
- What is the difference between JavaScript and TypeScript?
- What is the difference among Node.js, Express and NestJS?
- What is the difference between REST and GraphQL?
- What is the difference between FastAPI and Express?
- What is the difference between Zod and Pydantic?
- What is the difference between Jest and Vitest?
- What is the difference between Playwright and Cypress?
- What is the difference among unit tests, integration tests and end-to-end tests?
- What is the difference between TanStack Query and RTK Query?
- What is the difference among React Context, Zustand and Redux for global state?
- What is the difference between SQL and NoSQL databases?
- What is the difference between Prisma and Drizzle?
- What is the difference between Redis and a database like PostgreSQL?
- What is the difference among Supabase, Neon and Firebase?
- What is the difference among Clerk, Auth.js and Better Auth?
- What is the difference among AWS Lambda, EC2 and ECS?
- What is the difference between Docker and Kubernetes?
- What is the difference among Git, GitHub and GitHub Actions?
- What is the difference between git merge and git rebase?
- What is the difference between a monolith and microservices?
- What is the difference among SQS, SNS and Kafka?
- What is the difference among Inngest, a job queue and a cron job?
- What is the difference between Python and JavaScript?
- What is the difference among pandas, Polars and NumPy?
- What is the difference between PyTorch and TensorFlow (with Keras)?
- What is the difference between the Vercel AI SDK and LangChain?
Latest Tech Buzz stories
- The Feed Page That Kept Hitting Postgres: Cache-Aside, Write-Through and Pub/Sub Fixed It
- The Travel Agent That Almost Auto-Booked a ₹14,000 Trip Without Asking
- We Deleted a Custom Resource and the Operator Quietly Snapshot-Then-Nuked Our Volumes
- One Slow Vendor API Was Blocking Our Entire Seller Dashboard
- Why Our HTTP/2 Upgrade Didn't Fix the Checkout Stalls
- The ₹2 Lakh Refund Reply That Taught Us to Build a Confidence Gate in RAG
- The Login Screen Everyone Saw, Except the PDF Behind It
- The Three Docker Stages That Shrink Every Next.js 16 Image
- A Pentest Report Just Flagged Our Avatar Uploads: The SVG Decision We Got Wrong
- The Agent That Signed Its Own Alibi: Hash-Chaining Proposal, Approval, Execution
- Your Local Coding Agent Scores 77 on SWE-bench. Will It Survive Call Eleven?
- Why Your MCP Server Burns Tokens Before It Reads Your Question
- All Tech Buzz stories
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