Lesson 1: Introduction to server-side programming (1 hour)
Lesson 2: Mastering Node.js fundamentals (5 hours)
Lesson 3: Deep dive into Python for back-end development (5 hours)
Lesson 4: Exploring Ruby for server-side applications (4 hours)

Lesson 1: Introduction to databases and SQL (2 hours)
Lesson 2: Working with relational databases (e.g., MySQL, PostgreSQL) (5 hours)
Lesson 3: Introduction to NoSQL databases (e.g., MongoDB, Firebase) (5 hours)
Lesson 4: Advanced database operations and optimizations (3 hours)

Lesson 1: Understanding RESTful architecture (2 hours)
Lesson 2: Building RESTful APIs with Node.js and Express (4 hours)
Lesson 3: Creating APIs with Python (Flask/Django) or Ruby (Rails) (4 hours)

Lesson 1: Introduction to authentication and authorization (1 hour)
Lesson 2: Implementing user authentication using JWT (2 hours)
Lesson 3: Role-based access control (RBAC) implementation (2 hours)

Lesson 1: Common security threats and vulnerabilities (1 hour)
Lesson 2: Secure coding practices for back-end development (1 hour)
Lesson 3: Implementing HTTPS and SSL/TLS (1 hour)

Lesson 1: Introduction to version control and Git (1 hour)
Lesson 2: Basic Git commands and workflows (1 hour)

Lesson 1: Overview of cloud computing and services (1 hour)
Lesson 2: Introduction to AWS, Azure, and Google Cloud Platform (GCP) (2 hours)

Lesson 1: Planning a back-end project (1 hour)
Lesson 2: Implementing the project using chosen languages, databases, and APIs (4 hours)