First Move (11~18) - Code, Learn, Build
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First Move (11~18) - Code, Learn, Build

Structured, level-based technology learning paths from foundational exploration to industry mastery.

Learning Domains

  • Python Programming (Active)
  • Computer Science Core
  • Web Development
  • AI & Machine Learning

Platform Architecture

  • Level-Based Progression
  • Decoupled Content Schema
  • Modular Code Execution Engine
  • Curated Official Resources

© 2026 First Move (11~18) • CODE • LEARN • BUILD. Built with Next.js App Router.

Readability & Accessibility First

🏠Home/📚Courses/🏗️System Design & Scalable Architecture
System Architecture⭐ Advanced🎓 Industry Certificate Ready

System Design & Scalable Architecture

Master distributed systems, microservices, load balancing, CAP theorem, database sharding, and caching strategies.

Modules
3
Lessons
6
Duration
~50h
Practice
8 items
Distributed Systems Architecture and High-Availability Topology
🏗️
System Design & Scalable Architecture
Interactive Workbenches • Real Code Verification
First Move (11~18) Certified
💡Competency Blueprint

Skills You'll Build

Develop a complete tripartite engineering profile combining deep technical execution, rigorous analytical problem solving, and professional industry collaboration.

⚙️

Technical Skills

Foundational syntax, runtime mechanisms, and domain architectures.

✓CAP & PACELC Theorems
✓Horizontal vs Vertical Scaling
✓Consistent Hashing Algorithms
✓Database Sharding & Read Replicas
✓Cache Eviction Policies (LRU, LFU)
✓Rate Limiting Algorithms (Token Bucket, Leaky Bucket)
🧠

Problem Solving & Optimization

Algorithmic reasoning, performance profiling, and defensive error mitigation.

✓Single Point of Failure (SPOF) Elimination
✓Back-of-the-Envelope Capacity Estimations
✓Latency vs Consistency Trade-off Decisions
✓Disaster Recovery Failover Planning
🤝

Professional & Collaborative Engineering

Version control workflows, code review literacy, and industry documentation.

✓System Architecture Diagramming
✓Technical Design Document (RFC) Writing
✓Senior Engineering Interview Communication
✓SLA / SLO / Error Budget Definitions
🛠️Engineering Toolchain

Tools & Technologies You'll Work With

Master the exact production technologies, runtimes, development frameworks, and deployment platforms demanded by modern engineering teams.

🔴
TOOL

Redis Cache

Caching

In-memory data structure store used as a distributed cache, message broker, and rate limiter.

⚡
PLATFORM

Apache Kafka & RabbitMQ

Event Streaming

High-throughput distributed event streaming platform for asynchronous pub/sub messaging.

⚖️
TOOL

Nginx & HAProxy

Traffic Distribution

Reverse proxies and load balancers distributing traffic via round-robin and least-connection.

🏢Real-World Impact

Where You'll Use This

The engineering skills developed in System Design & Scalable Architecture power critical digital infrastructure across diverse high-impact sectors worldwide.

🏛️

Distributed Systems Architecture

Design microservices, RPC interfaces, service discovery, and resilient API gateways.

Representative Systems:
Netflix MicroservicesUber Dispatch EnginesStripe Payment Ingestion
⚡

High-Speed Caching & CDNs

Implement distributed Redis caches, Cache-Aside patterns, write-through strategies, and edge CDNs.

Representative Systems:
Global Web ContentSession PersistenceHot Key Absorption
🗄️

Database Scaling & Partitioning

Scale database throughput using master-replica read replicas, horizontal sharding, and consistent hashing.

Representative Systems:
Social FeedsMulti-Region Data StoresAnalytics Lakes
📨

Asynchronous Event Streaming

Decouple services with Apache Kafka and RabbitMQ event queues for guaranteed at-least-once delivery.

Representative Systems:
Order Processing PipelinesEmail Notification QueuesIoT Telemetry
🧭Signature Career Journey

The Course-to-Career Connection

Experience how every lesson, coding exercise, and tool in this course connects directly to high-impact engineering job roles. Hover or tap any stage to inspect connections.

Step 1: Course
📚

System Design & Scalable Architecture

Foundational curriculum & interactive coding challenges

System Design & Scalable Architecture
Step 2: Skills Built
💡

Engineering Skills

Applied technical competencies & problem solving

Distributed FundamentalsLoad Balancing & CachingDatabase Sharding+2 more...
Step 3: Tools Used
🛠️

Tools & Technologies

Industry-standard frameworks, IDEs & runtimes

RedisApache KafkaNginx+2 more...
Step 4: Application
🏢

Where It's Used

Mission-critical enterprise & cloud infrastructures

Distributed ArchitectureCaching & CDNsDatabase Scaling+1 more...
Step 5: Careers
💼

Career Opportunities

High-demand software engineering job titles

Senior Software EngineerSolutions ArchitectBackend Tech Lead
✨
Click or hover across any step above to inspect the course-to-career journey.
Connecting foundational instruction ➔ technical competencies ➔ production tools ➔ industry jobs.
Explore All Job Roles ↓
💼Career Opportunities

Industry Roles You Can Prepare For

Explore the real-world software engineering positions directly powered by System Design & Scalable Architecture expertise. Review day-to-day responsibilities and core hiring prerequisites.

Senior● Very High Demand

Senior Software Engineer

Architect robust distributed features, evaluate architectural trade-offs, and mentor engineering teams.

Target Hiring Skills:
System DesignMicroservicesDistributed DatabasesCloud
Senior● Very High Demand

Enterprise Solutions Architect

Define company-wide technological roadmaps, data retention strategies, and cloud migration frameworks.

Target Hiring Skills:
High AvailabilityKafkaKubernetesScalability
🚀Portfolio Portfolio Showcase

Real Projects You Can Build

Prove your mastery through production-ready software artifacts. Every project in System Design & Scalable Architecture is designed to solve real-world problems and stand out on your engineering resume.

AdvancedPortfolio Grade

Distributed Consistent Hashing Key-Value Node Ring

Build a software-defined consistent hashing ring that maps keys across multiple server nodes with minimal re-allocation when nodes join or fail.

Skills Demonstrated:
Consistent HashingVirtual NodesReplication FactorNode Rebalancing
Tools Utilized:
TypeScript / PythonUnit Test Suite
Deliverable: Benchmarked consistent hashing router module.
🗺️Structured Progression

Visual Learning Roadmap

A carefully sequenced 6-stage engineering curriculum designed to build your knowledge incrementally from core fundamentals to interview-ready production mastery.

Roadmap Progress0%
Stage 1⏱️ ~8 hrs

Foundation

Scaling Fundamentals and Back-of-the-Envelope Math

Core Topics & Competencies:
Throughput vs LatencyQPS CalculationsStorage EstimatesBandwidth
Milestone: URL Shortener Capacity Estimation
Stage 2⏱️ ~10 hrs

Traffic & Caching

Load Balancers, Reverse Proxies, and Distributed Caching

Core Topics & Competencies:
Load Balancing AlgorithmsRedis Cache-AsideEviction (LRU)
Milestone: Distributed Rate Limiter Implementation
Stage 3⏱️ ~12 hrs

Data Partitioning

Replication, Sharding, and Consistent Hashing

Core Topics & Competencies:
Master-Slave ReplicationHorizontal ShardingConsistent Hashing Ring
Milestone: Consistent Hashing Virtual Node Ring
Stage 4⏱️ ~14 hrs

Asynchronous Streaming

Message Brokers, Pub/Sub, and Event Decoupling

Core Topics & Competencies:
Kafka Topics & PartitionsIdempotencyDead Letter Queues
Milestone: Asynchronous Video Processing Queue
Stage 5⏱️ ~16 hrs

Classic System Case Studies

Designing TinyURL, Twitter/X, and WhatsApp

Core Topics & Competencies:
Feed GenerationPush vs Pull ModelsWebSocket Gateways
Milestone: Complete End-to-End System Blueprint Document
Stage 6⏱️ ~12 hrs

Career Readiness

System Design Mock Interviews and Whiteboarding

Core Topics & Competencies:
Interview StructuringClarifying QuestionsTrade-off Articulation
Milestone: Senior System Design Portfolio Review
🎓

Certificate of Completion

Complete this learning path to earn your First Move (11~18) certificate.

🎓

Course Certification

Mastery Level Certification
IN PROGRESS
LESSON COMPLETION0 / 6
PORTFOLIO PROJECTS0 / 2
FINAL ASSESSMENTPassed
MASTERY SCORE0%
Missing Requirements for Certification:
  • Complete all 6 lessons (0/6 completed)
  • Complete all 2 portfolio projects (0/2 completed)
  • Score at least 80% on final assessment (current best: 0%)
  • Achieve overall course mastery of at least 80% (current: 0%)
Structured Learning Journey

Course Curriculum & Level Progression

Guided 3-tier progression taking learners from fundamental concepts to core practical engineering and production mastery.

🌱

LEVEL 1 — FOUNDATIONS

Learn absolute fundamentals, core syntax, environment setup, and fundamental logic blocks.

Module 1

Level 1: Scalability Metrics & Load Balancing Patterns

2 Lessons

Master latency vs throughput trade-offs, SLA availability (99.99%), vertical vs horizontal scaling, and Load Balancer algorithms.

1
System Metrics: Latency, QPS, Availability Nines & Capacity Math⚡ Coding Exercise
Calculate Back-of-the-Envelope QPS math, storage sizing, latency p99 metrics, and evaluate horizontal vs vertical scaling. (30 mins)
Start Lesson →
2
Load Balancing Algorithms & Consistent Hashing⚡ Coding Exercise
Distribute incoming traffic using Layer 4 (Transport) & Layer 7 (Application) Load Balancers, and master Consistent Hashing ring placement. (35 mins)
Start Lesson →
🛠️

LEVEL 2 — CORE PRACTICE

Solve realistic problems, master data structures, error handling, design patterns, and mini-projects.

Module 1

Level 2: Distributed Caching, CAP Theorem & Database Sharding

2 Lessons

Implement distributed Redis caching strategies (Cache-Aside, Write-Through), master CAP Theorem trade-offs, and partition data via Database Sharding.

1
Distributed Caching Strategies & Redis Invalidation⚡ Coding Exercise
Master Cache-Aside, Write-Through, Write-Back caching strategies, Redis LRU eviction policies, and prevent Cache Stampede / Thundering Herd. (35 mins)
Start Lesson →
2
The CAP Theorem & Database Horizontal Sharding⚡ Coding Exercise
Analyze Consistency, Availability, Partition Tolerance (CAP Theorem) trade-offs, and scale databases horizontally using Range and Hash Sharding. (40 mins)
Start Lesson →
🚀

LEVEL 3 — ADVANCED & PRODUCTION MASTERY

Apply knowledge to real software architecture, security, optimization, scale, and portfolio capstones.

Module 1

Level 3: Microservices, Message Queues & Real-World Blueprints

2 Lessons

Decouple services using Message Queues (Kafka / RabbitMQ), build Event-Driven Microservices, and study real-world System Design blueprints.

1
Asynchronous Message Queues (Kafka / RabbitMQ) & Event Streaming⚡ Coding Exercise
Decouple synchronous API calls using message queues, publish-subscribe topics, dead-letter queues, and event-driven microservice pipelines. (40 mins)
Start Lesson →
2
System Design Architecture Blueprints & Interview Case Studies⚡ Coding Exercise
Review end-to-end architecture blueprints for real-world platforms: URL Shortener, Notification Service, and Distributed Rate Limiter. (45 mins)
Start Lesson →

🏆 Hands-On Portfolio Projects

INTERMEDIATE PROJECT⏱️ ~5h

High-Scale URL Shortener (TinyURL) Architecture

Design an end-to-end distributed URL shortener system serving 100M daily active users with sub-10ms latency.

Open Project Blueprint & Starter Code →
ADVANCED PROJECT⏱️ ~8h

Real-Time Distributed Messaging Platform Architecture

Design a real-time messaging architecture (Slack/WhatsApp) supporting WebSockets, message queues, and push notifications.

Open Project Blueprint & Starter Code →