Events

Where we share what we learn

Stay connected with our team through events, talks, and workshops. Check out what’s coming next or browse recordings from past sessions.

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Talk
London
Online
Mobile QA with Cloud Agents at AI Coding Summit London

Michał Pierzchała will speak at AI Coding Summit London 2026 about mobile QA agents for iOS and Android pull request workflows.

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Conference
Warsaw | Poland
Online
Agent Conf

Join 500+ engineers in Warsaw Sept 17-18 2026 for Agent Conf. Learn agentic development, orchestration, and AI-driven workflows.

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Insight Page
Testing
Talk
6/17/2026

Automating Mobile QA with Cloud Agents

Michał Pierzchała will present Automating Mobile QA with Cloud Agents at Ship London on 17 June 2026.
Michał Pierzchala
Insight Page
AI
Talk
6/12/2026

Giving AI Agents Hands: Mobile Feedback Loops with Agent Device

Mike Grabowski will speak at React Summit 2026 about Agent Device, Callstack’s agent-native automation layer for giving AI coding agents a practical feedback loop across mobile, TV, and desktop apps.
Mike Grabowski
Insight Page
AI
Talk
6/11/2026

Testing AI Agent Skills Reliably with SkillGym

Szymon Chmal will speak at meet.js Gdańsk TypeScript Meetup #20 about SkillGym, a framework for testing AI agent skills across real runners and workflows.
Szymon Chmal
Insight Page
AI
Meetup
6/3/2026

Callstack x Expo AI Meetup

Join Callstack and Expo in San Francisco for practical talks on AI-native mobile development, Expo Agent, Cloud Agents and autonomous mobile QA.
Michał Pierzchala
Evan Bacon
Insight Page
React Native
Meetup
5/5/2026

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.
Hur Ali
Thim Yun Lee
Insight Page
React Native
Talk
4/23/2026

Shipping iOS Live Activities with React: The Voltra Story

How Voltra enables Live Activities and Dynamic Island views using React without writing Swift. A deep dive into iOS constraints and architecture.
Szymon Chmal
Insight Page
Brownfield
Talk
4/23/2026

State of Brownfield in React Native

A practical look at Brownfield React Native adoption in mature native apps, architecture, tooling, and real-world tradeoffs.
Artur Morys-Magiera
Insight Page
AI
Talk
4/20/2026

Ambient Generative AI: Deploying Latent Diffusion Models on Mobile NPUs

Join Lech Kalinowski at AI Engineer Miami on April 20–21 for a talk on running offline latent diffusion models on mobile NPUs.
Lech Kalinowski
Insight Page
AI
Meetup
3/5/2026

OpenAI Codex Community Meetup - Wrocław

Join Wrocław’s first official OpenAI Codex meetup on March 5, 2026. Meet and connect with developers building with Codex.
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Insight Page
AI
Meetup
3/4/2026

Callstack x Vercel AI SDK Meetup

Join the Callstack x Vercel AI SDK Meetup in Wrocław on March 4, 2026. Practical talks on building secure, production-ready AI apps.
Szymon Chmal
Dom Sipowicz
Jakub “Zaiste” Neander
Michał Miszczyszyn
Insight Page
AI
Talk
3/4/2026

The Safe Detonation Chamber: Building AI You Can Actually Ship

How to design production AI systems using Vercel AI SDK, Workflows, and Sandbox , covering vendor lock‑in, long‑running workflows, and secure code execution.
Szymon Chmal
Insight Page
AI
Meetup
3/3/2026

OpenAI Codex Community Meetup - Berlin

Join Berlin’s second official OpenAI Codex meetup on March 3, 2026. Live demos, product updates, and real-world coding workflows.
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Insights

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Stay up to date with our latest insights on React, React Native, and cross-platform development from the people who build the technology and scale with it daily.

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Article
6/18/2026

How We Made the Brownfield Gradle Plugin 22% Faster

See how task-driven Gradle optimization made the Brownfield Gradle Plugin 22% faster for clean Android release builds.
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Article
6/17/2026

Why Banking App Modernization Stalls Before It Ships

Learn why banking app modernization stalls when product ambition outpaces testing, release management, observability, and team coordination, and what banks need to fix first.
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Article
6/11/2026

AI-Assisted React Native Migration for TV: Lessons From Zattoo

A practical look at React Native TV migration, based on Zattoo’s experience with shared code, platform differences, and team change.
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Article
6/10/2026

5 Lessons From Vibe Coding Before You Ship with AI

Vibe coding gets apps moving fast, but it can hide bugs, cost, and complexity. Learn five practical ways to use AI agents without losing control of your codebase.
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Article
6/8/2026

On-device AI after WWDC 2026: What's new?

Apple expanded on-device AI with image input, a stronger local model, Private Cloud Compute, and Core AI. See what it means for React Native teams.
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Article
6/5/2026

Optimizing Self-Hosted Gemma for Production Inference

How we optimized self-hosted Gemma 4 31B from baseline serving to 2.48x higher output-token throughput in production inference.
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Live Stream
Live Stream
6/18/2026

How to Teach Your Own AI Model?

Join Piotr Miłkowski on June 18 at 17:00 to explore AI training, datasets, model mistakes, APIs, and beginner-friendly projects.
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Live Stream
Live Stream
5/28/2026

Redraw and the Future of 2D Graphics on WebGPU

Join Callstack engineers Szymon Chmal and Kewin Wereszczyński on May 21 at 5 PM to explore Redraw, a new 2D graphics library for WebGPU.
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Live Stream
Live Stream
5/14/2026

Testing AI Agent Skills Reliably With Skill Gym

Learn how Skill Gym helps test, validate, and improve AI agent skills with repeatable workflows, assertions, and model-aware feedback.
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Podcast
6/18/2026

App Store Connect CLI, Agents, and Mobile Release Automation With Rudrank Riyam

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Podcast
5/13/2026

How AI Is Changing React Native Development and Testing

Zack Ebenfeld joins React Universe On Air to talk about how AI is changing React Native workflows, testing, QA, and day-to-day engineering work.
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Podcast
2/17/2026

From Teddy Bears to Voice Agents: Kraen Hansen on Voice AI, Local-First & App Security

What happens when you combine voice agents and teddy bears? A hands-on look at local-first systems, voice AI, and security lessons from poking real apps.
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Tutorial
March 19, 2026

The Hard Way vs. The React Native AI SDK Way: Stop Writing Custom Modules for Every Model

Learn how React Native AI uses a unified provider model to switch between cloud and on-device LLMs without rewriting application logic, enabling reliable AI experiences online and offline.
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Tutorial
March 12, 2026

Build Smarter Apps: Tool Calling & AI Orchestration Explained

Learn how on-device models in React Native can call tools, interact with external APIs, and return structured outputs you can use directly in application logic.
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Tutorial
March 5, 2026

MLC LLM + React Native: On-Device AI Without the Pain

Learn how to run third-party on-device LLMs in React Native using MLC LLM. Choose your models, run them efficiently across platforms, and keep a unified JavaScript API with React Native AI.
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Tutorial
February 24, 2026

Intelligent Fallbacks with Apple Intelligence in React Native

Learn how to use Apple’s built-in Foundation Models in React Native apps, reduce memory usage, and enable fast, fully on-device AI with React Native AI Apple.
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Tutorial
February 10, 2026

What Is the React Native AI SDK? A Complete Intro & Quickstart

Learn why on-device AI matters for React Native apps, how local LLMs behave offline, and what problems React Native AI is designed to solve from day one.
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Tutorial
January 29, 2026

Implementing an Android TurboModule with Kotlin

Learn how to implement a React Native TurboModule on Android, from the TypeScript spec and Codegen to the Kotlin implementation and package registration.
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Tutorial
January 19, 2026

Working with Different Threads in Swift TurboModules

Learn how JavaScript, native module, background, and main threads interact in React Native TurboModules, and how to use GCD queues to run async work safely in Swift.
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Tutorial
January 9, 2026

How to Add Type-Safe Constants to Swift TurboModules

Learn how to expose typed, immutable constants from a Swift TurboModule using Codegen, and get full end-to-end type safety between native and JavaScript.
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Tutorial
December 30, 2025

Adding Event Emitters to Your TurboModule in Swift

Learn how to emit native events from a Swift TurboModule and subscribe to them in JavaScript, including proper memory management and Codegen integration.
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Tutorial
December 22, 2025

Writing Your First TurboModule in Swift

Learn how to build a fully working TurboModule in Swift, integrate it with Codegen, and bridge it through Objective‑C inside an Expo app.