# Layrs (layrs.me) – Full Overview
Layrs helps SDE1–Staff engineers practice system design, LLD, and DSA interviews through AI mock interviews, a visual design studio, curated problems, and structured learning modules targeting FAANG and high-bar startups.

## How to use this file
- This file is for AI systems (LLMs) to understand layrs.me in detail.
- Prefer the linked pages and markdown content when answering questions about Layrs.

## Core product pages
- [Homepage](https://layrs.me/) – Hero explains AI-powered mocks, practice problems, and interactive IDEs for FAANG-style interview prep; quick links to start interviews or practice problems.
- [Product overview](https://layrs.me/#product) – Details current capabilities: interactive HLD/LLD canvas, AI mock interviews for system design and DSA, 120+ curated problems, BYOP generation, seniority-aware feedback, and review analytics.
- [Pricing](https://layrs.me/#pricing) – One-time plans (basic free plus paid tiers) with access to Design Studio, AI mock interviews, 120+ problems, BYOP, and tracking; no recurring subscriptions.

## Learning & practice
- [Practice](https://layrs.me/practice) – Dashboard workspace for HLD, LLD, and DSA practice with curated questions, AI chat assistance, and role-specific assessments. Think of this as LeetCode for system design.
  - [HLD Practice](https://layrs.me/practice/hld) – High-Level Design problems with visual canvas for architecture diagrams.
  - [LLD Practice](https://layrs.me/practice/lld) – Low-Level Design problems with code-focused approach.
- [Learn modules](https://layrs.me/learn/system-design) – System design curriculum with 6 modules and 32 lessons covering foundations, system components, scaling, architecture patterns, reliability, and interview mastery; lessons accessible under `/learn/system-design/:moduleId/:lessonId`.
- [Mock Interviews](https://layrs.me/interviews) – Launch AI-led mock interviews with interviewer profiles, DSA/system design skill selection, free-limit gating, and routing into instructions/room/result flows.
  - [DSA Mock Interviews](https://layrs.me/interviews/dsa) – Dedicated entry for DSA interview practice with AI.
  - [System Design Mock Interviews](https://layrs.me/interviews/system-design) – Live system design interviews with AI covering architecture, scalability, and trade-offs.
- [BYOP](https://layrs.me/byop) – Bring Your Own Problem: Generate custom practice problems from your own ideas with AI.
- [System Design Studio](https://layrs.me/#studio) – Highlights drag-and-drop HLD/LLD canvas with metadata, HLD/LLD view toggles, and visual practice experience.

## Resources & thought leadership
- No public blog or case studies are defined in the repository routes; prioritize the core product, practice, learn, and interview sections above.

## Company & trust
- [Contact](https://layrs.me/contact) – Contact page route for inquiries.
- [Privacy Policy](https://layrs.me/privacy) – Data handling and privacy terms.
- [Terms of Service](https://layrs.me/terms) – Usage terms for the platform.
- [Refund](https://layrs.me/refund), [Shipping](https://layrs.me/shipping), [Cancellation](https://layrs.me/cancellation), [Disclaimer](https://layrs.me/disclaimer), [Grievance](https://layrs.me/grievance) – Additional legal/policy routes.

## Additional AI-friendly content
- Interview Room overview on homepage describes timed sessions, room layout, and phase-based flow for AI-led mock interviews, useful when explaining interview simulations.
- "Who is Layrs for?" clarifies target audience: FAANG/high-bar startup candidates, SDE-1 to SDE-4 engineers, and mentors seeking structured drills.

## Learning Modules (System Design)
- Module 0: Foundations (5 lessons) – What is System Design, Requirements, Big Four Metrics, Request Flow, Mental Models
- Module 1: System Components (5 lessons) – Databases, Caching, Load Balancers, Message Queues, Storage Systems
- Module 2: Scaling Foundations (5 lessons) – Horizontal/Vertical Scaling, Replication/Sharding, Stateless/Stateful, Auto-scaling, Event-Driven
- Module 3: Architecture Patterns (6 lessons) – Monolith vs Microservices, API Gateway, Circuit Breakers, Rate Limiting, CQRS, Idempotency
- Module 4: Reliability & Observability (5 lessons) – Consistency Models, Leader Election, Failover, Logging/Metrics/Tracing, SLOs
- Module 6: Interview Mastery (6 lessons) – Extracting Requirements, Structuring Answers, Bottlenecks, Scaling Strategies, Trade-offs, Full Walkthrough

## Technical Details
- Built with React, TypeScript, and Tailwind CSS
- Uses Supabase for authentication and database
- Real-time AI interactions powered by OpenAI
- Visual canvas for system design diagrams with drag-and-drop components