Curriculum

Module 0 — Ubuntu Working Environment

Unit 1 — Machine and Tool Setup

Lesson 1 — Core Developer Tools

5 topics

Unfinished

Lesson 2 — Project Workspace Setup

4 topics

Unfinished

Unit 2 — Command-Line Basics

Lesson 1 — Using the Terminal

4 topics

Unfinished

Lesson 2 — Filesystem Basics

8 topics

Unfinished

Unit 3 — Project Hygiene Basics

Lesson 1 — Repository and Environment Hygiene

7 topics

Unfinished

Lesson 2 — Basic Debugging Workflow

5 topics

Unfinished

Module 1 — Developer Foundations

Unit 1 — Terminal and Operating System Basics

Lesson 1 — Shell Navigation and File Work

4 topics

Unfinished

Lesson 2 — System Access and Environment

3 topics

Unfinished

Lesson 3 — Terminal Productivity

3 topics

Unfinished

Unit 2 — Git Workflow Fundamentals

Lesson 1 — Core Git Actions

4 topics

Unfinished

Lesson 2 — Branching and History Management

4 topics

Unfinished

Lesson 3 — Git Under Real Work

3 topics

Unfinished

Unit 3 — JavaScript Programming Basics

Lesson 1 — Core Language Syntax

3 topics

Unfinished

Lesson 2 — Control Structures

3 topics

Unfinished

Lesson 3 — Functions and Data Structures

4 topics

Unfinished

Unit 4 — Problem-Solving and Systems Awareness

Lesson 1 — Basic Computational Thinking

2 topics

Unfinished

Lesson 2 — Basic Networking and Processes

21 topics

Unfinished

Module 2 — JavaScript Runtime and Network Behavior

Unit 1 — Deeper JavaScript Behavior

Lesson 1 — Scope and Object Model

3 topics

Unfinished

Lesson 2 — Asynchronous JavaScript

2 topics

Unfinished

Unit 2 — Runtime and Concurrency

Lesson 1 — Event Loop and Execution

3 topics

Unfinished

Lesson 2 — Processes, Threads, and Memory

4 topics

Unfinished

Unit 3 — HTTP and Transport Foundations

Lesson 1 — Transport and Security Basics

3 topics

Unfinished

Lesson 2 — Request Metadata and Flow

3 topics

Unfinished

Module 3 — TypeScript, Validation, and Backend Structure

Unit 1 — TypeScript Foundations

Lesson 1 — Core Type Modeling

6 topics

Unfinished

Lesson 2 — Runtime Validation and Type Inference

2 topics

Unfinished

Unit 2 — Code Organization and Application Structure

Lesson 1 — Layered Backend Structure

4 topics

Unfinished

Lesson 2 — Architectural Patterns

3 topics

Unfinished

Lesson 3 — Domain Modeling

2 topics

Unfinished

Unit 3 — Node.js Application Foundations

Lesson 1 — Node Runtime Interfaces

4 topics

Unfinished

Lesson 2 — Configuration Discipline

5 topics

Unfinished

Lesson 3 — Basic Server Construction

5 topics

Unfinished

Lesson 4 — Runtime Debugging

4 topics

Unfinished

Module 4 — HTTP APIs and Request Handling

Unit 1 — HTTP Fundamentals in Practice

Lesson 1 — Core Request Semantics

3 topics

Unfinished

Lesson 2 — Header and Cookie Handling

3 topics

Unfinished

Lesson 3 — Browser Interaction Rules

5 topics

Unfinished

Unit 2 — Routing and Flow Through a Backend

Lesson 1 — Middleware and Request Pipeline

10 topics

Unfinished

Unit 3 — Input Validation and Request Safety

Lesson 1 — Input Validation Strategy

4 topics

Unfinished

Lesson 2 — Request Size and Upload Safety

24 topics

Unfinished

Module 5 — API Design, Error Handling, and Testing

Unit 1 — API Design Quality

Lesson 1 — Resource and Response Design

5 topics

Unfinished

Lesson 2 — API Evolution and Write Safety

8 topics

Unfinished

Unit 2 — Error Handling Discipline

Lesson 1 — Internal Error Architecture

3 topics

Unfinished

Lesson 2 — Safe Public Error Exposure

3 topics

Unfinished

Unit 3 — Testing Fundamentals

Lesson 1 — Core Backend Testing

4 topics

Unfinished

Lesson 2 — Advanced Testing Awareness

2 topics

Unfinished

Unit 4 — Early Service Observability

Lesson 1 — Basic Service Visibility

5 topics

Unfinished

Module 6 — Relational Data and PostgreSQL

Unit 1 — SQL and Relational Modeling

Lesson 1 — Relational Structures

4 topics

Unfinished

Lesson 2 — SQL Querying

6 topics

Unfinished

Lesson 3 — Safe Query Construction

2 topics

Unfinished

Unit 2 — PostgreSQL Operations and Lifecycle

Lesson 1 — PostgreSQL Setup and Usage

2 topics

Unfinished

Lesson 2 — Migrations and Transactions

4 topics

Unfinished

Lesson 3 — Database Connections and Pooling

6 topics

Unfinished

Lesson 4 — Performance-Oriented Data Design

3 topics

Unfinished

Lesson 5 — Data Lifecycle and Recovery

5 topics

Unfinished

Lesson 6 — Query Plan Awareness

24 topics

Unfinished

Module 7 — Authentication, Authorization, and Application Security

Unit 1 — Authentication Systems

Lesson 1 — Session and Token-Based Authentication

5 topics

Unfinished

Lesson 2 — Account Recovery and Identity Flows

5 topics

Unfinished

Unit 2 — Authorization Design

Lesson 1 — Authorization Models

4 topics

Unfinished

Lesson 2 — Authorization Architecture

2 topics

Unfinished

Unit 3 — Abuse Resistance and Threat Modeling

Lesson 1 — Abuse Prevention Controls

5 topics

Unfinished

Lesson 2 — Threat Modeling Practice

5 topics

Unfinished

Unit 4 — Common Backend Vulnerabilities

Lesson 1 — Access and Request Vulnerabilities

5 topics

Unfinished

Lesson 2 — Web Security Risks

4 topics

Unfinished

Lesson 3 — Practical Cryptography Hygiene

25 topics

Unfinished

Module 8 — Logging, Debugging, and Observability

Unit 1 — Structured Logging

Lesson 1 — Logging Design

5 topics

Unfinished

Unit 2 — Observability Foundations

Lesson 1 — Core Observability Signals

4 topics

Unfinished

Lesson 2 — Availability and Runtime Signals

5 topics

Unfinished

Lesson 3 — Metrics Design

7 topics

Unfinished

Unit 3 — Failure Investigation

Lesson 1 — Debugging with Evidence

5 topics

Unfinished

Lesson 2 — Failure Analysis

5 topics

Unfinished

Module 9 — Background Work, Caching, and Service Boundaries

Unit 1 — Asynchronous Workflows

Lesson 1 — Queue and Job Processing

4 topics

Unfinished

Lesson 2 — Reliable Job Execution

8 topics

Unfinished

Unit 2 — Caching and Dependency Behavior

Lesson 1 — Caching and Fallbacks

4 topics

Unfinished

Unit 3 — Consistency and Architectural Boundaries

Lesson 1 — Distributed Consistency Patterns

4 topics

Unfinished

Lesson 2 — Service Design Boundaries

4 topics

Unfinished

Module 10 — Realtime Communication

Unit 1 — Raw WebSocket Foundations

Lesson 1 — WebSocket Basics

6 topics

Unfinished

Module 11 — Containers, Deployment, and Production Delivery

Unit 1 — Containerized Services

Lesson 1 — Container Construction

5 topics

Unfinished

Lesson 2 — Container Security and Runtime Behavior

5 topics

Unfinished

Unit 2 — Ubuntu Service Operations

Lesson 1 — Package and Service Management

4 topics

Unfinished

Lesson 2 — Port and Firewall Inspection

4 topics

Unfinished

Unit 3 — Deployment and Traffic Handling

Lesson 1 — Basic Production Deployment

5 topics

Unfinished

Lesson 2 — Network and TLS Configuration

4 topics

Unfinished

Lesson 3 — Secure Perimeter Configuration

7 topics

Unfinished

Unit 4 — CI/CD and Release Safety

Lesson 1 — Manual to Automated Delivery

3 topics

Unfinished

Lesson 2 — Automated Delivery Checks

6 topics

Unfinished

Lesson 3 — Safe Release and Shutdown

4 topics

Unfinished

Unit 5 — Single-Host Container Deployment

Lesson 1 — Compose-Based Deployment and Its Limits

11 topics

Unfinished

Unit 6 — Secrets Management Evolution

Lesson 1 — From `.env` to Centralized Secrets

28 topics

Unfinished

Module 12 — Performance, Concurrency, and Database Tuning

Unit 1 — Performance Investigation

Lesson 1 — Application Performance Analysis

6 topics

Unfinished

Lesson 2 — Database Telemetry

2 topics

Unfinished

Lesson 3 — Disk I/O and Access Patterns

6 topics

Unfinished

Unit 2 — Concurrency and Data Integrity

Lesson 1 — Concurrency Control

4 topics

Unfinished

Unit 3 — Advanced PostgreSQL Analysis

Lesson 1 — Query and Index Analysis

4 topics

Unfinished

Lesson 2 — Transactions, Isolation, and Locking

3 topics

Unfinished

Lesson 3 — Safe Schema Evolution and Access Control

3 topics

Unfinished

Lesson 4 — Architectural Tradeoffs with Evidence

5 topics

Unfinished

Module 13 — Secure Engineering, Incident Response, and Reliability

Unit 1 — Secure Engineering Review

Lesson 1 — Security Review Process

8 topics

Unfinished

Lesson 2 — Security Tooling and Findings

7 topics

Unfinished

Unit 2 — Incident Response and Root Cause Analysis

Lesson 1 — Incident Analysis

5 topics

Unfinished

Lesson 2 — Hardening After Failure

6 topics

Unfinished

Unit 3 — Reliability Refinement

Lesson 1 — Cross-System Failure Analysis

5 topics

Unfinished

Lesson 2 — Operational Reliability Improvements

4 topics

Unfinished

Module 14 — Project Finalization and Public Proof

Unit 1 — Architecture and Project Cleanup

Lesson 1 — Structural Refinement

5 topics

Unfinished

Unit 2 — Documentation and Operational Clarity

Lesson 1 — Project Documentation

5 topics

Unfinished

Lesson 2 — Operational Documentation

6 topics

Unfinished

Unit 3 — Final Technical Verification

Lesson 1 — Final Quality Pass

8 topics

Unfinished

Module 15 — Interview Readiness and Market Positioning

Unit 1 — DSA Baseline for Hiring Readiness

Lesson 1 — Core Interview Patterns

10 topics

Unfinished

Unit 2 — Public Profile and Communication

Lesson 1 — GitHub and Portfolio Presentation

5 topics

Unfinished

Lesson 2 — Project Explanation Skills

6 topics

Current Unfinished

Unit 3 — Final Readiness

Lesson 1 — Role Matching and Application Readiness

6 topics

Unfinished

Module 16 — Capstone Project: Secure, Observable, Production-Grade Backend

Unit 1 — Product Scope and System Design

Lesson 1 — Defining the System

5 topics

Unfinished

Unit 2 — Core Backend Capabilities

Lesson 1 — Secure File and Access Flows

6 topics

Unfinished

Lesson 2 — Realtime and Background Work

3 topics

Unfinished

Unit 3 — Operational Readiness

Lesson 1 — Observability and Deployment

5 topics

Unfinished

Lesson 2 — Security and Verification

38 topics

Unfinished