---
title: "AI-Native Delivery Model | Build With Agents | Callstack"
description: "See how Callstack combines senior engineering expertise, AI agents, and verification in a delivery workflow that keeps your team in control of quality."
url: https://www.callstack.com/technology
updated: 2026-11-06T10:05:25.647Z
---

# AI-Native Delivery Model | Build With Agents | Callstack

See how Callstack combines senior engineering expertise, AI agents, and verification in a delivery workflow that keeps your team in control of quality.

Callstack Delivery Model

## How AI-native delivery works in practice.

AI-native teams run on a system, not only on tools. Agents move the work forward. Experts make the calls that shape the outcome.

The AI delivery loop

## Work does not stop between steps.

In traditional delivery, work moves in phases. In AI-native delivery, it flows. Agents continue where others stop. Our setup keeps that work moving for longer before a human needs to step in.

### The best engineers got exponentially better.

The multiplier

AI amplifies what's already there. Callstack engineers have spent a decade building the framework that agents now write for. That depth doesn't disappear, it multiplies.

### Every agent loop needs a human at the end.

The missing 30%

Agents don't architect. They don't debug what they can't see. The missing 30% is where Callstack lives.

letter from Callstack

## When the way software is built changes, we help companies adopt it.

Callstack was founded for a specific kind of moment. A technology starts to prove itself. The opportunity is clear. But most companies still do not know how to use it well.

That was React Native in 2016.

The promise was clear: one team, one codebase, more platforms shipped from a single codebase. The challenge was underneath. Architecture. Performance. Native modules. Upgrades.

That is why we built Callstack.

We wanted to help companies use React Native without having to figure out every hard part on their own.

Now the shift is happening again.

AI is changing how software gets built. We have moved past code completion into fully agentic systems.  More work now happens in parallel, across multiple sessions, and the patterns, standards, anti-patterns, and tools around it are changing fast.  Our role is to help teams adopt this new model without having to solve every hard problem on their own.

At Callstack, our universal goal is simple.  When the way software is built changes, we help companies adopt it.  We have done this before with React Native. And we are here to do it again.

Founder + React Native Core Contributor

From strategy to infrastructure

## Everything you need to ship at AI speed

You understand how we work. Now pick the lane.

Expert engineering

### Build and scale React Native apps.

- [Feature Development](https://www.callstack.com/capabilities/feature-development)
- [End-to-End Product Development](https://www.callstack.com/capabilities/end-to-end-product-development)
- [Architecture & Performance](https://www.callstack.com/capabilities/architecture-performance)
- [Enterprise Infrastructure](https://www.callstack.com/capabilities/self-hosted-ci-cd-infrastructure)
- [Team Training](https://www.callstack.com/capabilities/team-training)
- [Migrations & Upgrades](https://www.callstack.com/capabilities/ai-assisted-migrations)
- [Find out more about Expert Engineering](https://www.callstack.com/ai-native-engineering)

Agentic Delivery

### Turn AI into better software delivery.

- [AI SDLC Advisory](https://www.callstack.com/capabilities/ai-sdlc-advisory)
- [AI-Driven QA & Testing](https://www.callstack.com/capabilities/ai-driven-qa-testing)
- [Custom Agents](https://www.callstack.com/capabilities/custom-agents)
- [Custom & Private Models](https://www.callstack.com/capabilities/custom-private-models)
- [Find out more about Agentic Delivery](https://www.callstack.com/agentic-delivery)

Every engagement starts with one conversation. Let's map your situation to the right model.

[Book consultation](https://www.callstack.com/contact)

## Why teams bet on Callstack

From billion-user apps to React Native core, this is why teams choose Callstack when they need to move fast and get it right.

- React Foundation Founding Member · 300+ commits to React Native · Contributing since 2016
- 100+ Enterprise projects delivered
- Industry runs on our tooling · 50M+ OSS downloads / month
- [3.7× Lower task cost vs Opus 5.5](https://apex.callstack.com)
- “I recommend them as a trusted tech partner for running complex projects.” — Jin Chung, Co-Founder, CTO / Rainbow · “Their engineers proved to be a crucial part of our mobile app relaunch project.” — Brian Aznar, Engineering Director / Major League Soccer · “I appreciate their attention to detail, flexible approach and a high degree of expertise.” — Glen Moriarty, Founder and CEO / 7 Cups · “The team at Callstack are the most experienced engineers in the React Native community.” — Nader Dabit, Senior Developer Advocate / AWS · “Their ability to deliver, and follow through, is unparalleled in the React Native ecosystem.” — Matt Hargett, Principal Software Engineer / Roblox
- [5x Faster message sending time](https://www.callstack.com/case-studies/enhancing-applications-performance-for-expensify)
- ISO 27001 certified

Clients

## Trusted by enterprise teams at scale.

> Teamworks needed Module Federation, we helped make it real
>
> — Michael Song, Head of Platform / Teamworks

> We had been struggling with React Native application performance until we met Callstack.
>
> — Huỳnh Chí Hùng, Associate Director / MoMo

> The trainers are always very helpful and supportive. It really makes a difference!
>
> — Artem Musiienko, Staff Eng / Hello Fresh

> Not only does Callstack have tremendously talented engineers, but I know they care about the success of the project as much as I do.
>
> — TC Davis, Product / Expo

> I appreciate their attention to detail, flexible approach and a high degree of expertise.
>
> — Glen Moriarty, Founder and CEO / 7cups

> Their engineers proved to be a crucial part of our mobile app relaunch project.
>
> — Brian Aznar, Engineering Director / MLS

> I recommend them as a trusted tech partner for running complex projects.
>
> — Jin Chung, Co-Founder, CTO / Rainbow

> The team at Callstack are the most experienced engineers in the React Native community.
>
> — Nader Dabit, Senior Developer Advocate / AWS

> If you're looking for skilled and trusted React Native developers, Callstack is definitely the way to go.
>
> — Tom Occhino, Director of Engineering / Meta

EXPERT ENGINEERING · AGENTIC DELIVERY

## Put our expertise to work.

Our engineers can join your team, take on a defined project, or help you adopt agents across development, testing, and release. Tell us what you're working on.

[Book consultation](https://www.callstack.com/contact)

Open Source

## Want to build it on your own?

We open-source the tools behind our delivery model. Use them, fork them, or let us run them for you.

[Check All Tools](https://www.callstack.com/open-source)

[Explore AI Infrastructure](https://www.callstack.com/agentic-delivery)

- [React Native Brownfield](https://github.com/callstack/react-native-brownfield): Incrementally move your iOS and Android apps to React Native without breaking (552 stars)
- [React Native Evals](https://github.com/callstackincubator/evals): A benchmark suite for evaluating how coding models solve real React Native tasks (111 stars)
- [Linaria](https://github.com/callstack/linaria): Zero-runtime CSS in JS library (12.4K stars)
- [React Native Vision OS](https://github.com/callstack/react-native-visionos): A framework for building native visionOS applications using React Native (1.1K stars)
- [Agent React DevTools](https://github.com/callstackincubator/agent-react-devtools): Gives AI agents access to React DevTools (251 stars)
- [Liquid Glass](https://github.com/callstack/liquid-glass): iOS Liquid Glass in React Native (539.2K downloads/mo)
- [Agent Device](https://agent-device.dev/): CLI to control iOS and Android devices for AI agents (980.4K downloads/mo)
- [Rozenite](https://github.com/callstackincubator/rozenite): Plug-and-play panels for React Native DevTools. Install, enable, and start debugging in minutes. (959.8K downloads/mo)
- [Agent Skills](https://github.com/callstackincubator/agent-skills): Callstack’s best practices on React Native performance optimization, upgrading, CI workflows, and brownfield migrations (1.7K stars)
- [Voltra](https://github.com/callstackincubator/voltra): Voltra lets React Native developers build native iOS Live Activities, Dynamic Island layouts, and widgets as React components without writing Swift. (88.1K downloads/mo)
- [React Native Harness](https://github.com/callstackincubator/react-native-harness): Harness brings Jest-style tests to real native environments so you can test TurboModules like you would test your React Native app: with JavaScript. (179.7K downloads/mo)
- [React Native AI](https://github.com/callstackincubator/ai): On-device LLM execution in React Native with Vercel AI SDK compatibility (227.7K downloads/mo)
- [Skill Gym](https://incubator.callstack.com/skillgym/): Prove your agent skills work before you ship them (1.6K downloads/mo)
- [React Native Sandbox](https://github.com/callstackincubator/react-native-sandbox): Run multiple, isolated React Native instances within a single application (15.4K downloads/mo)
- [React Native Legal](https://github.com/callstackincubator/react-native-legal): Automagically generate license acknowledgements for your React Native app & any JS project (139.8K downloads/mo)
- [Rock](https://www.rockjs.dev/): Modular toolkit for teams building React Native apps (700 stars)
- [Reassure](https://github.com/callstack/reassure): Performance testing companion for React and React Native (1.5K stars)
- [React Navigation](https://github.com/react-navigation/react-navigation): Routing and navigation for your React Native apps (218.4K downloads/mo)
- [React Native Testing Library](https://github.com/callstack/react-native-testing-library): Simple and complete React Native testing utilities that encourage good testing practices (18.2M downloads/mo)
- [React Native Builder Bob](https://github.com/callstack/react-native-builder-bob): Simple set of CLIs to scaffold and build React Native libraries for different targets (1.4M downloads/mo)
- [React Native Pager View](https://github.com/callstack/react-native-pager-view): React Native wrapper for the Android ViewPager and iOS UIPageViewController (5.5M downloads/mo)
- [React Native Paper](https://github.com/callstack/react-native-paper): Material Design for React Native (Android & iOS) (2M downloads/mo)
- [React Native Slider](https://github.com/callstack/react-native-slider): React Native component exposing Slider from iOS and SeekBar from Android (6M downloads/mo)
- [React Native Community CLI](https://github.com/react-native-community/cli): Command line tools to help you build React Native apps (13.5M downloads/mo)
- [React Native Bottom Tabs](https://github.com/callstackincubator/react-native-bottom-tabs): Native Bottom Tabs for React Native (408.8K downloads/mo)
- [Re.Pack](https://re-pack.dev/): A webpack-based toolkit to build your React Native application with full support of webpack ecosystem (2.2M downloads/mo)

Insights

## Worth your time, by engineers.

[Explore Insights](https://www.callstack.com/insights)

- [Agent Device: iOS & Android Automation for AI Agents](https://www.callstack.com/blog/agent-device-ai-native-mobile-automation-for-ios-android) (Feb 17 · Article): This article introduces agent-device, a new CLI for automating mobile UI workflows with AI agents. It explains what the tool is, how it helps developers with token-efficient snapshots and repeatable interactions, and why Callstack is building it to bridge exploratory agent behavior with deterministic replay across iOS and Android.
- [Agent React DevTools: Give AI Agents Access to React Internals](https://www.callstack.com/blog/agent-react-devtools-give-ai-agents-access-to-react-internals) (Apr 14 · Article): Agent React DevTools gives AI agents direct access to the React component tree, state, and performance data. Instead of relying only on UI snapshots, agents can now inspect what happens inside React and debug issues with proper context. This enables more reliable QA, better performance analysis, and deeper automation for React and React Native apps.
- [Announcing AI SDK Profiler for React Native](https://www.callstack.com/blog/announcing-ai-sdk-profiler-for-react-native) (Jan 29 · Article): We introduced the AI SDK Profiler plugin for Rozenite DevTools. It captures OpenTelemetry spans emitted by the Vercel AI SDK, surfaces prompts, outputs, metadata, and latency, and works with any provider, on-device or cloud.
- [Introducing Rozenite: A Plugin Framework for React Native DevTools](https://www.callstack.com/blog/introducing-rozenite-a-plugin-framework-for-react-native-devtools) (Jul 28 · Article): Rozenite is a new open-source plugin framework for React Native DevTools, designed to help teams build custom debugging panels with ease. It supports TypeScript, React, React Native, and integrates with Expo, CLI, and Rock. With device-scoped views and isomorphic communication, Rozenite empowers developers to streamline observability and scale tooling fast.
