KLJS x React Universe Meetup, Kuala Lumpur
KLJS x React Universe Meetup, Kuala Lumpur
Join Callstack and Ryt Bank on May 5 in-person for a React Universe meetup with practical talks for engineers working with React and React Native in production.
KLJS x React Universe Meetup, Kuala Lumpur

Join us for the React Universe Meetup at Ryt Bank in Kuala Lumpur, an in-person, developer-first event hosted by Callstack and Ryt Bank, Dev Malaysia and Kuala Lumpur JS.
This meetup is built for engineers who care about how things actually behave in production. We’ll focus on real-world decisions, tradeoffs, and the patterns teams use when scaling React Native beyond prototypes.
You’ll hear from practitioners working on live systems: from running a digital bank on React Native to migrating existing native apps with AI-assisted workflows.
Whether you’re a senior engineer, tech lead, or architect working across mobile and web, you’ll leave with a clearer view of what works today, and what to watch out for.
It’s also a chance to meet engineers doing similar work. We keep space for both the talks and conversations after. Food is provided, and RSVP is required.
Agenda
7:30 PM Arrival and food
8:00 PM Intro
8:10 PM Should You Build a Bank on React Native? We Did. – Thim Yun Lee (Ryt Bank)
8:35 PM Migrating native apps to React Native on AI autopilot – Hur Ali (Callstack)
9:00 PM TBD
9:25 PM Networking
Talks and speakers
Should you build a Bank on React Native? We did
A candid look at building and running a digital bank on React Native. What worked, what broke, and how AI is changing how teams scale.
Thim Yun Lee – Senior Engineer at Ryt Bank
Migrating native apps to React Native on AI autopilot
A production-focused approach to brownfield migration. Covers AI-guided setup, navigation across native and React Native, shared state, and communication between layers.
Hur Ali – React Native expert at Callstack. Focused on brownfield integrations and performance optimization. Former React Native Release Crew member.
About React Universe Meetups
React Universe Meetups are a series of in-person events focused on engaging with the community and connecting senior engineers, tech leaders, and decision-makers around the future of the React and React Native ecosystem.
Brought to you by Callstack, these meetups create space for practical, experience-driven conversations at the intersection of technology and business. The goal is simple: bring together people building and scaling real products, share what’s working (and what isn’t), and learn from peers who are deep in the work.
Talks are led by practitioners with hands-on experience in React, React Native, and related technologies, covering real challenges, tradeoffs, and lessons learned.
KLJS x React Universe Meetup, Kuala Lumpur
Join Callstack and Ryt Bank on May 5 in-person for a React Universe meetup with practical talks for engineers working with React and React Native in production.

Learn more about React Native
Here's everything we published recently on this topic.
React Native Performance Optimization
Improve React Native apps speed and efficiency through targeted performance enhancements.
C++ Library Integration for React Native
Wrap existing C-compatible libraries for React Native with type-safe JavaScript APIs.
Shared Native Core for Cross-Platform Apps
Implement business logic once in C++ or Rust and run it across mobile, web, desktop, and TV.
Custom High-Performance Renderers
Build custom-rendered screens with WebGPU, Skia, or Filament for 60fps, 3D, and pixel-perfect UX.
























