GeeCON Conference Courses

From Objects to Functions - Rethinking OOP Principles

Explore the journey from OOP to functional programming, challenging traditional coding principles for more modular and maintainable solutions.

• YouTube
• 49 minutes
• Self-Paced
• Free Video

Immutable Classes in Java Libraries - Are They Ready?

Explore immutable class design in Java, dispelling myths and demonstrating compatibility with popular libraries for persistence, serialization, and mocking.

• YouTube
• 38 minutes
• Self-Paced
• Free Video

Integration Testing Strategies and Techniques for Jakarta EE 10 Applications

Explore advanced integration testing strategies for Jakarta EE 10, covering message handling, transactions, security, and data integrity. Learn to simulate errors and verify system behavior.

• YouTube
• 53 minutes
• Self-Paced
• Free Video

Techniques for a Faster JVM Start-up

Explore techniques to enhance JVM start-up speed for any application, applicable without code changes. Learn about class-data sharing, JVM flags, and benchmarks with hands-on demonstrations.

• YouTube
• 55 minutes
• Self-Paced
• Free Video

Implementing Raft Protocol with Project Loom - GeeCON 2022

Explore Raft consensus protocol implementation using Project Loom, covering leader election, replication, and state transitions in distributed systems.

• YouTube
• 49 minutes
• Self-Paced
• Free Video

Scaling Engineering by Hacking Conway's Law

Discover strategies for scaling engineering teams through innovative organizational structures, focusing on gangs, guilds, and mini-companies to maintain quality and velocity during rapid growth.

• YouTube
• 50 minutes
• Self-Paced
• Free Video

Practical Ways to Reduce Google Cloud Costs

Discover practical strategies to optimize and reduce Google Cloud expenses, including free tiers, recommenders, quotas, and auto-shutdown features.

• YouTube
• 46 minutes
• Self-Paced
• Free Video

What the Hell is Service Mesh Anyway? - Understanding Its Role in Cloud Native Architecture

Explore service mesh's role in cloud-native stacks, its benefits for microservices and monoliths, and how it simplifies application design while addressing potential complexities.

• YouTube
• 54 minutes
• Self-Paced
• Free Video

Gamedev Through the Eyes of a Backend Engineer

Explore gamedev's unique world: structures, tools, and quirks from a backend engineer's perspective. Gain insights into game engines, version control, Steam's role, and gameplay testing.

• YouTube
• 37 minutes
• Self-Paced
• Free Video

Simple, Modern Java Microservices in the Cloud - 2022

Explore modern Java microservices in the cloud, focusing on productivity and simplicity. Learn architectural approaches, technology choices, and design decisions for fast-paced startup development.

• YouTube
• 46 minutes
• Self-Paced
• Free Video

How to Avoid Common Mistakes When Working with Java on AWS Lambda

Discover strategies to optimize Java on AWS Lambda, addressing cold starts, cost management, and performance issues for scalable serverless applications.

• YouTube
• 52 minutes
• Self-Paced
• Free Video

Java Cold Starts in Serverless - Optimizing Performance and Costs

Explore Java's speed in serverless environments, debunk cold start myths, and learn optimization techniques for AWS Lambda using modern frameworks like Quarkus and Piranha Cloud.

• YouTube
• 56 minutes
• Self-Paced
• Free Video

Blockchain Technology: A Powerful Tool - Understanding Basics and Applications

Explore blockchain technology's popularity, concepts, and integration with Java backend applications. Learn about cryptocurrencies, Proof of Work, and Proof of Stake.

• YouTube
• 34 minutes
• Self-Paced
• Free Video

A Testable Architecture for Executable Specifications

Discover a battle-proven approach to creating testable architectures with executable examples, resulting in living documentation and efficient test automation.

• YouTube
• 45 minutes
• Self-Paced
• Free Video

Are Agile Leaders Really Wizards? - Leadership Lessons from Middle-earth

Odkryj tajniki przywództwa w świecie Tolkiena. Poznaj różnice między dobrymi a złymi liderami, znaczenie różnorodności w zespole i wartość odpowiadania na pytanie "dlaczego?". Zainspiruj się fantazją, by stać się lepszym liderem.

• YouTube
• 51 minutes
• Self-Paced
• Free Video