Course Catalog

Choose Your Destiny

Explore comprehensive roadmaps for every engineering discipline. Track your progress, earn XP, and level up your career.

Popular Courses

Most chosen by the QuizKaal community

AvailableAdvanced

Backend Engineering

The complete roadmap to mastering backend engineering. From HTTP to Microservices.

20 Modules

68 Lessons

40+ hours

Continue Learning

AvailableIntermediate

Mobile Mastery

Learn iOS and Android mobile engineering from scratch. Master React Native, Swift, and Kotlin.

10 Modules

13 Lessons

35+ hours

Continue Learning

AvailableBeginner

React Mastery

The definitive guide to modern React. Hooks, Server Components, and Next.js.

8 Modules

24 Lessons

30 hours

Continue Learning

AvailableExpert

System Design

Architect distributed systems capable of handling millions of users.

8 Modules

24 Lessons

40 hours

Continue Learning

AvailableBeginner

AI Prompt Eng.

The complete guide to mastering AI, from basic concepts to advanced agent workflows.

7 Modules

21 Lessons

20 hours

Continue Learning

AvailableBeginner → Advanced

DevOps Engineer

Master Linux, Git, Docker, Kubernetes, CI/CD, Cloud, Terraform, Monitoring, DevSecOps, SRE and Production Deployment.

39 Modules

150 Lessons

60+ hours

Continue Learning

AvailableIntermediate

CI/CD Pipeline

Learn how to build, test, and deploy automated CI/CD pipelines using GitHub Actions, Jenkins, and Docker.

5 Modules

15 Lessons

20 hours

Continue Learning

Coming SoonBeginner

OOP Concepts

Master Classes, Objects, Inheritance, Polymorphism, Encapsulation, Abstraction, SOLID Principles, Design Patterns and Real-world OOP.

5 Modules

15 Lessons

20 hours

Notify Me

Beginner Friendly

Start your journey here with zero prerequisites

AvailableBeginner

React Mastery

The definitive guide to modern React. Hooks, Server Components, and Next.js.

8 Modules

24 Lessons

30 hours

Continue Learning

Coming SoonBeginner

Python Mastery

From basic syntax to advanced data science and backend development with Python.

6 Modules

18 Lessons

25 hours

Notify Me

AvailableBeginner

AI Prompt Eng.

The complete guide to mastering AI, from basic concepts to advanced agent workflows.

7 Modules

21 Lessons

20 hours

Continue Learning

Coming SoonBeginner

OOP Concepts

Master Classes, Objects, Inheritance, Polymorphism, Encapsulation, Abstraction, SOLID Principles, Design Patterns and Real-world OOP.

5 Modules

15 Lessons

20 hours

Notify Me

Advanced Engineering

Deep dives for senior developers

AvailableAdvanced

Backend Engineering

The complete roadmap to mastering backend engineering. From HTTP to Microservices.

20 Modules

68 Lessons

40+ hours

Continue Learning

Coming SoonAdvanced

Java Mastery

Master enterprise Java. Spring Boot, microservices, and JVM internals.

7 Modules

21 Lessons

45 hours

Notify Me

Coming SoonExpert

C++ Mastery

Low-level system programming, memory management, and high-performance applications.

6 Modules

18 Lessons

50 hours

Notify Me

AvailableExpert

System Design

Architect distributed systems capable of handling millions of users.

8 Modules

24 Lessons

40 hours

Continue Learning

Coming SoonAdvanced

Database Eng.

Deep dive into SQL, NoSQL, indexing, query optimization, and transaction isolation.

6 Modules

18 Lessons

35 hours

Notify Me

Coming SoonAdvanced

DSA Mastery

Data Structures and Algorithms for coding interviews and competitive programming.

8 Modules

24 Lessons

60 hours

Notify Me

Coming SoonExpert

Cyber Security

Ethical hacking, penetration testing, cryptography, and network defense.

6 Modules

18 Lessons

40 hours

Notify Me

AI & Prompt Engineering

Master the future of technology

Coming SoonBeginner

Python Mastery

From basic syntax to advanced data science and backend development with Python.

6 Modules

18 Lessons

25 hours

Notify Me

AvailableBeginner

AI Prompt Eng.

The complete guide to mastering AI, from basic concepts to advanced agent workflows.

7 Modules

21 Lessons

20 hours

Continue Learning

Cloud & System Design

Architect highly scalable distributed systems

AvailableAdvanced

Backend Engineering

The complete roadmap to mastering backend engineering. From HTTP to Microservices.

20 Modules

68 Lessons

40+ hours

Continue Learning

AvailableExpert

System Design

Architect distributed systems capable of handling millions of users.

8 Modules

24 Lessons

40 hours

Continue Learning

Coming SoonAdvanced

Database Eng.

Deep dive into SQL, NoSQL, indexing, query optimization, and transaction isolation.

6 Modules

18 Lessons

35 hours

Notify Me

AvailableIntermediate

CI/CD Pipeline

Learn how to build, test, and deploy automated CI/CD pipelines using GitHub Actions, Jenkins, and Docker.

5 Modules

15 Lessons

20 hours

Continue Learning

Programming Languages

Master syntax, internals, and standard libraries

Coming SoonBeginner

Python Mastery

From basic syntax to advanced data science and backend development with Python.

6 Modules

18 Lessons

25 hours

Notify Me

Coming SoonAdvanced

Java Mastery

Master enterprise Java. Spring Boot, microservices, and JVM internals.

7 Modules

21 Lessons

45 hours

Notify Me

Coming SoonExpert

C++ Mastery

Low-level system programming, memory management, and high-performance applications.

6 Modules

18 Lessons

50 hours

Notify Me

Coming SoonBeginner

OOP Concepts

Master Classes, Objects, Inheritance, Polymorphism, Encapsulation, Abstraction, SOLID Principles, Design Patterns and Real-world OOP.

5 Modules

15 Lessons

20 hours

Notify Me

Tech Stacks

Total Lessons

Projects

Global Leveling

Universal Skills Covered

HTTP/HTTPS Fundamentals

The foundation of web communication. Master status codes, headers, methods, and the lifecycle of requests over TCP/IP.

Explore

REST APIs

Building structured, resource-based endpoints.

Explore

Auth & JWT

Stateless security, sessions, and OAuth2.

Explore

Databases & ORMs

SQL vs NoSQL, connection pooling, indexing strategies, and database scaling.

Explore

Middleware

Request pipelines and interceptors.

Explore

Validation

Sanitizing and validating payloads.

Explore

Caching

Redis and in-memory speed optimization.

Explore

Security Architecture

Rate limiting, CORS, injection mitigation, and DDOS protection.

Explore

Background Jobs

Asynchronous processing, message queues, and crons.

Explore

Search Engines

Full-text indexing and fuzzy querying.

Explore

Scaling Systems

Load balancing and horizontal growth.

Explore

Concurrency

Race conditions, mutexes, and distributed locks.

Explore

Email Systems

Transactional email delivery systems.

Explore

WebSockets

Real-time bidirectional communication.

Explore

Testing Suites

Unit, integration, and E2E coverage.

Explore