Explore Programming Courses
Browse 157+ coding courses with AI tutoring and real-time code execution.
Serverless Backend with AWS Lambda & API Gateway
Master serverless backend development using AWS Lambda and API Gateway to build scalable, cost-effective applications.
Caching Strategies: Redis + CDN + Edge Computing
Master robust caching strategies using Redis, CDNs, and Edge Computing to build high-performance, scalable, and resilie…
Microservices Communication Patterns (Saga, Circuit Breaker)
Master essential microservices communication patterns like Saga and Circuit Breaker to build resilient and scalable dis…
WebSockets & Real-Time Systems with Spring
Master WebSockets and build scalable real-time applications using the Spring Framework to create dynamic, interactive u…
Secure Coding & OWASP Top 10 for Backend
Master secure coding practices and defend your backend applications against the most critical web vulnerabilities ident…
API Rate Limiting & Scalability Patterns
Master the art of building robust and high-performance APIs by learning advanced rate limiting techniques and essential…
Elasticsearch & Full Text Search Systems
Master Elasticsearch and full-text search systems to build powerful, scalable search capabilities for your applications.
Advanced PostgreSQL: Indexing, Partitioning, Replication
Master advanced PostgreSQL techniques including indexing, partitioning, and replication to build high-performance, scal…
RabbitMQ Messaging & Async Systems
Master RabbitMQ and design robust asynchronous systems to build scalable, resilient, and decoupled applications.
AWS for Backend Developers (EC2, S3, RDS, Lambda)
Master essential AWS services like EC2, S3, RDS, and Lambda to build robust, scalable, and efficient backend applicatio…
Terraform Infrastructure as Code
Master Terraform to provision, manage, and scale your cloud infrastructure efficiently using Infrastructure as Code pri…
OAuth2 & OpenID Connect Deep Dive
Master modern authentication and authorization by diving deep into OAuth2 and OpenID Connect protocols, securing your a…
API Gateway & Reverse Proxy (Nginx + Spring Cloud Gateway)
Master the architecture and implementation of API Gateways and Reverse Proxies using Nginx and Spring Cloud Gateway for…
gRPC & High Performance APIs
Master gRPC and build incredibly fast, efficient, and scalable APIs for modern distributed systems.
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.
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.