Explore Programming Courses
Browse 157+ coding courses with AI tutoring and real-time code execution.
Apache Kafka & Stream Processing Fundamentals
Master Apache Kafka and stream processing fundamentals to build scalable, real-time data pipelines and event-driven app…
Advanced Spring Boot 4: Event-Driven Architecture (Kafka)
Master advanced Spring Boot 4 techniques to build robust, scalable event-driven microservices using Apache Kafka.
System Observability: Logging, Metrics & Tracing (ELK + OpenTelemetry)
Master system observability using logging, metrics, and tracing, with practical skills in ELK Stack and OpenTelemetry f…
Testing Mastery: JUnit, Mockito & Integration Tests
Master software testing techniques with JUnit, Mockito, and advanced integration test strategies to build robust and re…
GraphQL APIs with Spring Boot
Master building robust and efficient GraphQL APIs using Spring Boot, from foundational concepts to advanced real-time a…
Clean Architecture & Design Patterns in Practice
Master clean architecture and essential design patterns to build robust, maintainable, and scalable software systems.
CI/CD with GitHub Actions & DevOps Pipelines
Master continuous integration and continuous delivery (CI/CD) by building robust DevOps pipelines using GitHub Actions.
Redis Caching & Messaging (Pub/Sub, Streams)
Master Redis for high-performance caching and real-time messaging using Pub/Sub and Streams to build scalable applicati…
PostgreSQL Performance & Query Optimization
SQLMaster PostgreSQL performance tuning and query optimization techniques to build highly efficient and scalable database…
Docker & Kubernetes for Developers
Master containerization and orchestration with Docker and Kubernetes to deploy, manage, and scale your applications eff…
Spring Security 6 & JWT Authentication
JAVAMaster the latest Spring Security 6 features and implement robust JWT authentication for your Java applications.
Spring Boot 4 Microservices & REST APIs
JAVAMaster the art of building scalable and resilient microservices and REST APIs using Spring Boot 4, from foundational co…
Linux Command Line Mastery
Master the Linux command line from fundamental commands to advanced scripting and system administration for enhanced pr…
Web Scraping & Bots
PYTHONMaster the art of web scraping and bot development to automate tasks, gather data efficiently, and build intelligent ag…
LangChain / RAG / Vector DBs
Master LangChain, Retrieval Augmented Generation (RAG), and Vector Databases to build powerful, context-aware AI applic…
AI Prompt Engineering
Master the art of communicating effectively with AI models to achieve precise and powerful results with this comprehens…
System Design Basics for Backend Developers
Master the fundamentals and advanced concepts of system design to build robust, scalable, and high-performance backend…
Git & GitHub Professional Workflow
Master professional Git and GitHub workflows to enhance team collaboration, manage code versions efficiently, and strea…
Kubernetes Basics
Master the fundamentals of Kubernetes, from core concepts and cluster setup to advanced deployments, networking, storag…
Docker & DevOps Fundamentals
Master Docker containerization and essential DevOps practices to streamline your software development lifecycle and dep…
Frequently Asked Questions
How many courses does CoddyKit offer?
CoddyKit offers 157+ interactive programming courses across many languages and technologies, ranging from complete-beginner introductions to advanced material.
Are the courses free?
Yes. Every course is free to start, and you can complete its interactive lessons at no cost. An optional PRO subscription unlocks advanced AI tools and shareable certificates.
Which programming languages can I learn?
Courses cover Python, JavaScript, TypeScript, Swift, Java, C#, SQL, web development, and modern topics such as AI agents and prompt engineering.
Do I need prior experience to start?
No. Courses range from beginner to advanced, with bite-sized lessons, real-time code execution, and a 24/7 AI tutor, so you can start with no prior experience.
Can I take the courses on mobile?
Yes. CoddyKit runs on the web and as native iOS and Android apps, and your progress syncs across devices.