Functional Programming, Distributed Databases, JSON-Patch...

WebCamp ZG 2025: A Deep Dive into Modern Web Development

WebCamp ZG, Zagreb's premier international web development conference, delivered a comprehensive exploration of cutting-edge technologies and best practices. This year's event focused heavily on functional programming, distributed databases, and real-time collaboration using JSON-PATCH, while also offering ample networking opportunities.

The diverse program covered a wide range of topics, from A/B testing with Optimizely and Etsy's continuous deployment strategies to the evolving landscape of remote freelancing. A significant portion of the discussions centered on efficient testing methodologies, highlighting common time-wasting pitfalls and offering practical solutions.

The two-day conference, sponsored by Intercom and Reversing Labs, featured keynote presentations and numerous parallel sessions. Well-planned breaks ensured attendees had ample time for socializing and networking, fueled by a generous supply of food and beverages. Clear track designations made navigating the event seamless.

Day 1 Highlights:

Bob Ippolito's keynote on functional programming provided a stimulating introduction to the topic. Intercom shared insights into their video reply feature development, illustrating challenges and solutions in building complex features. Discussions also covered HTTP/2 and its anticipated widespread adoption. A session on A/B testing with Optimizely showcased practical application of this optimization tool. A presentation on distributed databases highlighted the competitive landscape in this rapidly evolving field. The "State of Remote Freelancing" talk, while initially promising, unfortunately veered into promotional territory. Etsy's continuous deployment strategy, using direct commits to master and feature flags, sparked lively debate. A community-chosen session on testing offered valuable insights into optimizing testing workflows. Finally, the day concluded with a presentation on real-time collaboration using JSON-PATCH and PuppetJS.

A glimpse into Day 1's attendance:

Day 2's Key Moments:

Day 2 began with a well-received keynote on UX strategy by Jaime Levy, followed by a session on cloud security best practices. A nostalgic journey through the evolution of user interfaces added a lighter touch. Johannes from Confetti.events explained JSON-API and its implementation using Yayson. Salesforce's presentation explored their open-source initiatives and internal tools for XHR request queueing. The conference wrapped up with sessions on automating development tasks and writing more usable code.

A look at Day 2's highlights:

Overall Impression:

WebCamp ZG 2025 was exceptionally well-organized, exceeding expectations in scheduling, catering, and overall attendee experience. The high-quality sound and projection systems, coupled with the readily available support from volunteers, created a truly immersive learning environment. While minor WiFi issues were reported, they did not significantly detract from the overall positive experience.

The abundance of food, drinks, and networking opportunities fostered a vibrant atmosphere of collaboration and knowledge sharing. The conference left a lasting impression, and I eagerly anticipate attending next year's event, possibly even as a speaker. Stay tuned for early bird registration details for WebCamp ZG 2026!

This review is based on personal attendance at WebCamp ZG. All images are sourced from WebCamp ZG's official website and Facebook page.

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