Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog,
and this project adheres to Semantic Versioning.

[2.0.0] - 2026-02-02

🎉 Major Release: Complete Website & LeetCode Integration

Added

Website & Infrastructure

🌐 Full Astro-powered website at roadmap.swadhin.cv
🎨 Beautiful Catppuccin dark theme with TUI aesthetics
📱 Mobile-responsive design with full accessibility
🔍 Full-text search across 85+ documentation pages using Fuse.js
⚡ Static site generation with 286 pages built in 1.22s

LeetCode Problem Database

💾 Turso/libSQL database integration for persistent storage
📊 1,400+ unique problems from 535 CSV files
🏢 200+ companies with their specific problem patterns
📈 Difficulty distribution (Easy, Medium, Hard)
📅 Frequency data showing recent ask patterns
⏱️ Timeframe analysis (6mo, 1yr, 2yr, all-time)
✅ Problem progress tracking with localStorage persistence

Navigation & Features

🗂️ Dynamic [company].astro pages for all 200 companies
🎯 Company filtering (FAANG, Finance, Startups, etc.)
🧮 Statistics dashboard (problems by difficulty, company breakdown)
🔗 Direct links to LeetCode problems
📌 Bookmark/favorite functionality with progress saving

Icons & Design

🎨 NerdFont icons for 100+ companies (Google, Amazon, Apple, Microsoft, etc.)
🏪 Category-based icon fallbacks (Finance, Tech, Gaming, etc.)
📦 Generated PWA icons (16x16, 32x32, 192x192, 512x512)
🍎 Apple touch icon and favicon support

Developer Experience

📚 Comprehensive CONTRIBUTING.md with setup instructions
🛠️ Development environment setup guide
📝 Pull request process documentation
🎯 Contribution guidelines and standards
💡 Template for adding interview experiences

Content & Documentation

📖 Complete README redesigned for all companies (not just FAANG)
🔗 Links to 85+ detailed guides and study materials
📊 Repository statistics and metrics
🤝 Clear contributing guidelines
📄 Project structure documentation

SEO & Metadata

📡 Dynamic sitemap generation with proper URL structure
🤖 robots.txt configuration for search engines
📋 Web manifest for PWA support
🏷️ OpenGraph meta tags and OG images
🔎 Search engine optimization across all pages

Changed

🔄 Domain updated to roadmap.swadhin.cv (from faang-roadmap.dev)
📝 Repository repositioned to reflect all companies, not just FAANG
🎯 Focus expanded from FAANG-only to 200+ tech companies
💬 Title changed from "FAANG Job Roadmap" to "Tech Interview Roadmap"
🏗️ Architecture refactored for better scalability and performance

Technical Details

Dependencies Added:

@libsql/client v0.17.0 — SQLite database client
csv-parse v6.1.0 — CSV file parsing
@webtui/plugin-nf — NerdFont icon support
fuse.js — Full-text search library

Build Improvements:

🚀 Production build: 286 pages generated
⚙️ Optimized CSS minification
📦 Inline stylesheets for better performance
🗜️ HTML compression enabled
📊 Database indices on company and problem lookups

Files Generated:

dist/leetcode-data.json — Pre-built company & problem data
dist/search-index.json — Fuse.js search index
dist/sitemap-index.xml — SEO sitemap index
dist/sitemap-0.xml — Main URL sitemap

[1.5.0] - 2026-01-15

Added

Study Resources

📚 Junior 3-Month Study Plan (15 hrs/week)
📚 Mid-Level 6-Month Study Plan (15 hrs/week)
📚 Senior 4-Month Study Plan (12 hrs/week)
🎯 Weekly topic breakdowns for each level
📊 Checkpoint and success metrics

DSA & Algorithms

6️⃣ Core DSA patterns documentation
📋 30+ problem patterns with solutions
🔗 Links to LeetCode problems for practice
📈 Difficulty progression guidance

Company Playbooks

🏢 Detailed interview loops for 200+ companies
💡 What each company values in candidates
🎯 Company-specific red flags and green flags
📊 Leveling and compensation information
⏰ Typical time-to-decision benchmarks

[1.0.0] - 2026-01-01

Added

Core Documentation

📖 85+ comprehensive interview prep guides
🎯 Role-specific roadmaps (SWE, Backend, ML, Data, DevOps)
🏗️ System design library with templates
🗣️ Behavioral interview playbook
💻 Coding interview playbook with patterns

Interview Content

📝 Recruiter screen playbook
🎤 System design interview framework
🤖 ML system design interviews
📊 SQL and data interviews
💼 Behavioral interview guide
🚪 Interview day operations
🏠 Take-home and project interviews

Career & Learning

📚 Foundations curriculum (DSA, Systems, Databases)
🛠️ Software engineering best practices
☁️ Cloud and reliability basics
🚀 Career development guides
📋 Resume and LinkedIn optimization
💰 Offer negotiation strategies
🚗 Rejection handling and iteration

Infrastructure & DevOps

🐳 Docker and containerization guide
☸️ Kubernetes basics
🔄 CI/CD and safe rollouts
🚨 Incident response procedures
📊 Observability and monitoring
🖥️ Linux and networking fundamentals

ML & Data Specialization

🤖 ML fundamentals for interviews
🔧 Feature engineering and data leakage
📊 ML system design templates
⚖️ ML testing and test scores
📡 Monitoring and drift detection
🎯 LLM applications and evaluation
💾 Data pipelines and orchestration
🔍 Data quality frameworks

Hiring Pipeline

📋 ATS and shortlisting strategies
🎯 Recruiter screen best practices
🧪 Online assessment protocols
📞 Phone screen playbook
🏢 Onsite loop framework
📊 Debrief and decision processes
💼 Offer and closing strategies

[0.1.0] - 2025-12-01

Initial Release

📁 Repository structure with 140+ markdown files
📖 Basic documentation framework
🎯 Initial content organization
🔗 Internal linking between guides
📚 Foundation documentation in place

🚀 Roadmap & Future Plans

Planned for v2.1.0

Video tutorials for system design problems
Interactive coding editor integration with LeetCode API
Mock interview scheduling system with peer matching
Community discussion forums by company/topic
Real-time problem analytics and trending

Planned for v2.2.0

Multi-language support (Spanish, Mandarin, Hindi)
Dark/Light theme toggle (currently dark-only)
Export study plans as PDF with progress tracking
AI-powered problem recommendations based on progress
Company salary negotiation calculator

Planned for v3.0.0

Live interview simulation platform
Peer feedback and code review system
Advanced progress analytics dashboard
Resume optimization with AI suggestions
Behavioral interview video practice with feedback

Planned for v4.0.0

Mobile app (iOS/Android)
Real-time collaboration on mock interviews
AI-powered interview prep coach
Job board integration
Referral tracking and networking tools

📊 Statistics

Current Content:

📖 85+ comprehensive guides
💻 1,400+ unique LeetCode problems
🏢 200+ companies covered
🎯 7 specialized roles
📚 3 study plans (Junior/Mid/Senior)
🔗 Thousands of internal links

Website Performance:

⚡ 286 pages generated
🚀 Build time: ~1.2 seconds
📱 100% mobile responsive
🔍 Full-text search capability
🎨 Dark mode optimized

🙏 Contributors

Made with ❤️ by:

Swadhin Biswas @swadhinbiswas
And amazing community contributors!

See CONTRIBUTING.md to join us!

📞 Support

Last Updated: February 2, 2026