Enterprise Infrastructure

Build a stronger platform for React Native delivery.

We work alongside platform teams to remove bottlenecks across React Native builds, testing, releases, and monitoring. The result is faster feedback, safer releases, and infrastructure the organization can operate and evolve.

Trusted by 100+ Enterprise clients

Why strengthen delivery infrastructure with Callstack

Build on your platform team’s expertise.

Callstack brings React and React Native delivery expertise to the platform layer. We strengthen the infrastructure behind build, test, release, and rollout without replacing the team that owns it.

  • Shorten feedback loops.

    Improve caching, parallelization, runners, and test execution so engineers see results sooner.

  • Make releases observable.

    Connect build, rollout, and post-release signals so teams can act before issues reach more users.

  • Balance control and cost.

    Use hosted, self-hosted, or hybrid infrastructure where each model makes operational and economic sense.

  • Leave the platform team stronger.

    Automation, documentation, and runbooks stay with the team that operates the system.

Services

Run delivery on infrastructure you control.

  • Use Cases

Enterprise Infrastructure

Fix the infrastructure bottleneck.

Bring us the build, test, release, or rollout problem slowing the team down. We will map the current system and define the highest-value change.

How we work together

Improve the system without disrupting delivery.

  • Extend your team

    Our senior engineers join your team to ship features, guide technical decisions, and strengthen delivery.

    • Your roadmap and workflow
    • Expertise shared as we work
    • Flexible timezone coverage
  • Deliver a project

    We take agreed work from technical planning to release, with clear responsibilities and progress you can see.

    • 3 Callstack engineers ship like 6
    • Impact visible before sprint two
    • End-to-end delivery
  • Solve specific challenge

    We address a performance, migration, or infrastructure challenge, or run training around your team’s needs.

    • Focused reviews or implementation
    • Knowledge your team keeps
    • Outcomes guaranteed with contract
ISO 27001 certified
100+
Enterprise projects delivered
React Foundation Founding Member
300+ commits to React Native
Industry runs on our tooling
50M+
OSS downloads / month
10 min
From code change to mini-app release
60 → 10min
Faster builds after replacing Jenkins with EAS

10 years of React Native → Now in your AI stack

Fix the infrastructure bottleneck.

Bring us the build, test, release, or rollout problem slowing the team down. We will map the current system and define the highest-value change.

Open Source

Build with our open-source tools.

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

React Native Community CLI

Command line tools to help you build React Native apps

13.5M downloads/mo

Re.Pack

A webpack-based toolkit to build your React Native application with full support of webpack ecosystem

2.2M downloads/mo

React Native Builder Bob

Simple set of CLIs to scaffold and build React Native libraries for different targets

1.4M downloads/mo

Rock

Modular toolkit for teams building React Native apps

700 stars

Agent Skills

Callstack’s best practices on React Native performance optimization, upgrading, CI workflows, and brownfield migrations

1.7K stars

Insights

Worth your time, by engineers.

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Oct 12Podcast

Can Engineers Trust AI Agent Fleets? Nishant Gupta on Scale and Reliability

Nishant Gupta of Meta explains AI agent fleets, reusable control planes, and why verifying outcomes still matters as teams delegate more work.

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Aug 21Article

Automating React Native Evals With Airflow

React Native Evals tests coding models on real React Native tasks. This article follows one automated run from model selection through solving, judging, result tracking, and human review.

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May 18Article

Unlocking Expo Updates in an Isolated Brownfield Architecture with SDK 55

Expo Updates used to be a pain point for teams running an Isolated Brownfield architecture. This guide shows how to get it working with Expo SDK 55, including iOS packaging, the current Android workaround, and end-to-end OTA update testing. If you're shipping React Native inside an existing native app, this walkthrough helps you get setup faster without guessing through the hard parts.

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Nov 20Article

How to Release a React Native App on the Meta Horizon Store

This article walks through the full release flow for React Native apps on Meta Quest, from preparing a production build to submitting it through the Horizon Store. Developers will learn the technical steps, required tools, and best practices for store‑ready assets. It also highlights common review pitfalls, guidance for creating high‑quality screenshots, monetization options, and tips for shaping a smooth submission workflow. By the end, readers will understand how to take a Quest app from development to a polished, store‑ready release.

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Sep 13Talk

Native Apps Without a Build Step

Discover Rock by Callstack: the open, modular, self-hosted framework for React Native. Built to help teams scale, migrate, and deliver faster in the evolving React Native ecosystem.

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Aug 27Article

Re.Pack 5.2: Faster Babel Transforms, RN 0.80 & 0.81, Rozenite

Re.Pack 5.2 is out! This release focuses on parallel, smarter transforms with a new Babel & SWC loader, official support for React Native 0.80 and 0.81, fully typed configs, support for Rozenite and more.

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Aug 13Podcast

Observability and OpenTelemetry in React Native

Learn how Embrace and OpenTelemetry can help React Native teams standardize observability and improve app monitoring across platforms.

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Jun 24Talk

Observability for Application Deployments

Discover practical observability techniques to pinpoint and fix slow deployments, optimize global performance, and deliver faster apps.