Archon// TODO: stop googling, start understanding

"Give me six hours to chop down a tree and I'll spend four sharpening the axe." This is the axe.

System Design

The complete canon of distributed systems. Databases, caching, consensus, message queues, load balancing — from CAP theorem proofs to Raft implementation. Every page a chapter in the engineering bible.

Enter the vault

⚔️

System Design Interviews

40 battle-tested walkthroughs. Instagram. Uber. YouTube. Slack. Zoom. Google Docs. Full estimation math, architecture diagrams, production code. Your unfair advantage.

Prepare for war

🏗️

Architecture Patterns

The blueprints of the masters. Microservices, event-driven, CQRS, hexagonal, clean architecture, DDD, SOLID, design patterns, functional programming — each dissected and battle-hardened.

Study the blueprints

☁️

Infrastructure

The foundation everything runs on. Terraform, Kubernetes, Docker, AWS, GCP, CI/CD, multi-region — production configs that actually deploy, not pseudocode that "should work."

Build the foundation

🛡️

Security

The sacred duty. OWASP Top 10 with vulnerable AND fixed code. JWT internals. OAuth2/OIDC. Encryption. Secrets management. Zero trust. Every vulnerability explained, every defense implemented.

Fortify your code

🔥

DevOps

The art of keeping things alive. Prometheus dashboards, structured logging, incident response runbooks, deployment strategies, chaos engineering. For the engineers who get paged at 3 AM.

Master the craft

⚡

Performance

The difference between "it works" and "it flies." V8 internals, event loop deep dive, memory leak detection, query optimization with EXPLAIN ANALYZE. Real numbers, real benchmarks.

Unlock the speed

🤖

AI/ML Engineering

35+ pages of pure AI engineering. MCP Protocol, A2A Protocol, Agentic RAG, Local LLMs, Fine-Tuning (LoRA/QLoRA), AI Safety, Structured Output, AI Coding Assistants, LangChain, LangGraph, RAG, vector databases, Claude/OpenAI APIs.

Build with AI

🔓

Cybersecurity

22 pages from OSINT to reverse engineering. Pentesting, network attacks, cloud hacking, Active Directory, red/blue team ops, bug bounty hunting, malware analysis, OSCP prep. The hacker's handbook.

Enter the dark side

🚨

War Room

Real production incidents from GitHub, Cloudflare, Facebook, Netflix, CrowdStrike. Timelines, root causes, fixes. Learn from the failures of the giants so you don't repeat them.

Study the failures

🔨

Build From Scratch

Build Redis, a rate limiter, a key-value store, and a load balancer from scratch. Full working code. The best way to truly understand how things work.

Build it yourself

📱

Mobile Engineering

21 pages covering the full mobile stack. React Native, Flutter, architecture patterns, state management, CI/CD, security, deep linking, animations, payments, databases, accessibility, ASO, deployment, and cross-platform comparison.

Go mobile

🩺

Debugging Playbooks

Step-by-step flowcharts for real production problems. API slow? Memory leak? Database CPU 100%? Pods restarting? Intermittent 502s? Follow the decision tree.

Diagnose the issue

📊

Exploratory Data Analysis

69 pages of pure EDA mastery. From asking the right questions to SHAP explainability. NumPy, pandas, matplotlib, seaborn, plotly, Streamlit. 5 real-world projects. The complete data scientist's toolkit.

Explore the data

🍃

Spring Boot

55 pages covering the entire Spring ecosystem. REST, JPA, Security, Cloud Gateway, Kafka, Batch, Integration, WebFlux, GraphQL, gRPC, Modulith, GraalVM Native, Virtual Threads, Spring AI.

Enter the Spring

🔗

MCP Server

Query Archon from Claude Code, Cursor, or any MCP client. 21 tools, 3 resources, 5 prompts. No browser needed — your AI assistant becomes an engineering expert.

Connect your AI

🔄

Data Pipeline

From scraping to preprocessing to EDA. Web scraping, API ingestion, string/datetime/image preprocessing, Airflow, Prefect, Great Expectations, Pandera. 3 end-to-end projects.

Build the pipeline

🧮

Machine Learning

30 pages from math foundations to production. Linear regression to gradient boosting, clustering to recommender systems. Every algorithm: intuition, full math derivations, from-scratch NumPy code, scikit-learn, real datasets.

Train the models

🧬

Deep Learning

25 pages of neural network mastery. Backprop from scratch, CNN, RNN/LSTM, Transformers (full attention math), GANs, VAE, diffusion models, BERT, YOLO, reinforcement learning. PyTorch code for everything.

Go deeper

🌊

Data Engineering

Taming the data deluge. Stream processing, windowing, watermarks, CDC, dimensional modeling, data vault, pipeline orchestration, real-time analytics with ClickHouse.

Harness the flow

📜

Production Blueprints

55+ complete system designs. Auth, billing, notifications, search, chat, payments, email, scheduler, feature flags. Copy, adapt, ship.

Steal the blueprints

🧠

Prompt Engineering

500+ prompts forged in the fires of real engineering work. Code generation, architecture review, product strategy, UI design — each one a weapon in your arsenal.

Arm yourself

🎨

UI & Design Systems

Where engineering meets craft. Typography, color tokens, spacing, accessibility, dark mode, animations — the invisible details that separate good from extraordinary.

Refine the craft

🗺️

Learning Paths & Cheat Sheets

Your quest map. 16 guided paths through the vault — Backend, DevOps, Frontend, Security, Interview, Data, AI/ML, Platform, Full-Stack, ML/DL, Cybersecurity, Mobile, Data Scientist, Spring Boot, EDA. Plus 23 cheat sheets for when you need answers, not explanations.

Choose your path

1195+

Sacred texts

700K+

Lines of wisdom

Battle simulations

500+

Weapons in the arsenal

Choose Your Quest

Path	For those who seek	Estimated journey
Backend Engineer	Mastery of the server realm	~40 hours
System Design Interview	Victory in the arena	~30 hours
DevOps Engineer	Command of the infrastructure	~35 hours
Frontend Engineer	The art of the interface	~25 hours
Security Engineer	Guardian of the gates	~20 hours
Data Engineer	Tamer of the data deluge	~30 hours
AI/ML Engineer	Architect of intelligence	~25 hours
Platform Engineer	Builder of the platform	~35 hours
Full-Stack Engineer	Master of all realms	~50 hours

Quick Draw References

Docker · Kubernetes · Git · SQL · TypeScript · Linux · Redis · Terraform · Python · Go · Rust · Bash · Nginx · PromQL · AWS CLI · kubectl · Helm · GraphQL · Regex

Explore the Realm

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