Velquix Learn
Beginner21 stages · 52 modules

Python Developer — Beginner to Job Ready

A structured Python learning path from fundamentals to professional development: OOP, modules & packages, virtual environments, APIs, databases, testing, async, automation, web scraping, FastAPI, Django, security, Docker and deployment. YouTube-first, docs for reference.

Track your progress, earn XP, and pick up where you left off.

01Python & Programming Foundations

Milestone: write basic Python programs independently.

  • What is Python & Setup

    ~3h · 4 resources

  • First Programs, Variables & Types

    ~5h · 5 resources

  • Operators & Basic Debugging

    ~4h · 3 resources

02Python Syntax & Core Concepts

Milestone: control program flow confidently.

  • Conditionals & match/case

    ~4h · 3 resources

  • Loops: for / while

    ~4h · 1 resources

  • Strings & f-strings

    ~4h · 1 resources

03Data Structures in Python

Milestone: choose appropriate Python data structures for a problem.

  • Lists, Tuples & Sets

    ~5h · 2 resources

  • Dictionaries & Nested Data

    ~4h · 1 resources

  • Comprehensions, Sorting & Copying

    ~5h · 2 resources

04Functions & Functional Programming

Milestone: write reusable, modular Python functions.

  • Functions, Args & Scope

    ~5h · 2 resources

  • Lambda, map/filter/reduce & Recursion

    ~5h · 1 resources

05Modules, Packages & Virtual Environments

Milestone: create isolated, reproducible Python projects.

  • Modules & Packages

    ~4h · 2 resources

  • pip, PyPI & requirements.txt

    ~3h · 1 resources

  • venv & Environment Variables

    ~4h · 2 resources

06File Handling & Data Processing

Milestone: build useful file-processing automation.

  • Reading & Writing Files

    ~4h · 1 resources

  • CSV, JSON & pathlib

    ~5h · 2 resources

07Object-Oriented Programming

Milestone: design a medium-sized Python application using OOP.

  • Classes, Objects & __init__

    ~6h · 3 resources

  • Inheritance, Polymorphism & Encapsulation

    ~6h · 2 resources

  • Magic Methods & Dataclasses

    ~4h · 1 resources

08Advanced Python

Milestone: understand Python beyond beginner syntax.

  • Iterators & Generators

    ~5h · 1 resources

  • Decorators & Closures

    ~5h · 1 resources

  • Internals & Advanced Patterns

    ~5h · 2 resources

09Type Hints & Code Quality

Milestone: write clean, maintainable Python.

  • Type Hints & Static Checking

    ~5h · 2 resources

  • PEP 8, Linters & Formatters

    ~4h · 2 resources

10APIs & HTTP with Python

Milestone: build Python applications that consume external APIs.

  • HTTP & the requests Library

    ~5h · 3 resources

  • Auth, Errors, Timeouts & Retries

    ~4h · 1 resources

11SQL & PostgreSQL

Milestone: design and query a relational database.

  • Relational Basics & SQL

    ~7h · 2 resources

  • Joins, Grouping & Subqueries

    ~6h · 1 resources

  • Indexes, Transactions & Design

    ~6h · 3 resources

12Python Database Development

Milestone: build a Python application connected to PostgreSQL.

  • Python + PostgreSQL (psycopg)

    ~6h · 2 resources

  • ORMs: SQLAlchemy & Alembic

    ~6h · 2 resources

13Testing & Debugging

Milestone: build Python applications with automated tests.

  • pytest, Fixtures & Mocking

    ~6h · 2 resources

  • Integration & API Testing

    ~5h · 1 resources

14Automation & Scripting

Milestone: automate a real repetitive task.

  • OS Automation & subprocess

    ~5h · 2 resources

  • CLI Apps, Logging & File Automation

    ~5h · 1 resources

15Web Scraping

Milestone: build a responsible web scraper (legitimate public data only).

  • HTTP, HTML & BeautifulSoup

    ~6h · 2 resources

  • Pagination, Ethics & robots.txt

    ~4h · 1 resources

16Async Python & Concurrency

Milestone: understand when async programming is useful.

  • asyncio, async/await & Coroutines

    ~6h · 2 resources

  • Threading, Multiprocessing & When to Use Async

    ~5h · 1 resources

17Backend Development with FastAPI

Milestone: build a complete FastAPI backend.

  • FastAPI Basics: Routes, Pydantic & Validation

    ~7h · 3 resources

  • Auth, JWT, PostgreSQL & SQLAlchemy

    ~8h · 3 resources

  • Async APIs, Middleware & Docs

    ~5h · 1 resources

18Django Backend Fundamentals

Milestone: build a production-style Django REST backend. (FastAPI and Django are both taught — each has its place.)

  • Django Basics: Apps, URLs, Views & Templates

    ~8h · 3 resources

  • Models, ORM, Migrations & Admin

    ~7h · 2 resources

  • Django REST Framework: Serializers, ViewSets & Auth

    ~8h · 1 resources

19Python Security & Production

Milestone: secure a Python backend before deployment.

  • Secrets, Auth & Password Hashing

    ~5h · 2 resources

  • Injection, XSS, CSRF, CORS & Rate Limiting

    ~6h · 2 resources

  • Logging, Errors, Health Checks & Config

    ~4h · 1 resources

20Docker & Deployment

Milestone: deploy a containerized Python backend.

  • Docker Fundamentals

    ~6h · 3 resources

  • Dockerizing Python + PostgreSQL + Redis

    ~6h · 2 resources

  • Deployment & CI/CD

    ~5h · 1 resources

21Python Developer Capstone

Final milestone: Python Developer — Job Ready. Build one production-style backend.

  • Capstone: Developer Productivity Platform API

    ~50h · 4 resources