
Learn from the people who build React Native.
Trainers who build React Native
Learn directly from Core Contributors and engineers working on high-scale codebases, not trainers reading slides.
Modular, tailored curriculum
Essentials, animations, navigation, code sharing, native modules, CI/CD. Every program is adapted to your stack, team composition, and roadmap.
Safer code
Latest best practices in navigation, state management, and native integration reduce bugs and long-term risk.
Better performance
Improved awareness of performance bottlenecks leads to smoother, more stable experiences across devices.
New Architecture, demystified
TurboModules, Fabric, JSI, and Codegen explained in practice, so your team adopts the latest architecture patterns instead of fighting them.
In-person or remote
On-site sessions for deeper knowledge transfer and engagement, or remote workshops for distributed teams. Same hands-on, production-grade guidance.
AI-native workflows
Train your team to work with coding agents: scaffolding, refactoring, and testing at AI speed, with review practices that keep the engineering bar high.
Knowledge that stays
Post-training office hours, reusable materials, and internal trainer enablement, so learning compounds after we leave.
Assess → Implement → Improve
Turn AI usage into team practice.
Assess
We audit tooling, workflows, adoption, and ROI. Leadership gets a clear rollout plan.
Implement
We set up tools, agents, and standards. Pilot first, then roll out wider.
Improve
We keep the setup current as adoption grows. Your champions lead day to day.
Case studies
What shipping at AI speed looks like
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.

10 years in React Native. Now shaping agentic engineering.
For a decade, we have helped define how teams ship with React Native. Now we are helping shape how they work with agents.
Founded in 2016 ·Backed by Viking Global Investors
React Foundation members. Core Contributors.
We are founding members of React Foundation and Core Contributors to React Native. You get direct access to people close to the decisions shaping the frameworks you use.
Open source since 2016. Our code runs in your app.
We contribute to React Native and maintain libraries across its ecosystem. Our code runs in apps used by millions of people every day.
39M+
Downloads / month67K+
GitHub stars300+
React Native commits100+ Enterprise clients with 7B+ users.
We work with teams shipping at real scale. You get a partner used to high-stakes products, not learning on your roadmap.


































Agent Conf. The conference for the Agentic era.
The conference we built for the shift from writing code to orchestrating agents.


We are Codex Ambassadors.
We run meetups, workshops, and hands-on sessions that help teams learn Codex and apply it in real work.

10 years in React Native. Now shaping agentic engineering.
For a decade, we have helped define how teams ship with React Native. Now we are helping shape how they work with agents.
Founded in 2016 ·Backed by Viking Global Investors
React Foundation members. Core Contributors.
We are founding members of React Foundation and Core Contributors to React Native. You get direct access to people close to the decisions shaping the frameworks you use.
Open source since 2016. Our code runs in your app.
We contribute to React Native and maintain libraries across its ecosystem. Our code runs in apps used by millions of people every day.
39M+
Downloads / month67K+
GitHub stars300+
React Native commits100+ Enterprise clients with 7B+ users.
We work with teams shipping at real scale. You get a partner used to high-stakes products, not learning on your roadmap.


































Agent Conf. The conference for the Agentic era.
The conference we built for the shift from writing code to orchestrating agents.


We are Codex Ambassadors.
We run meetups, workshops, and hands-on sessions that help teams learn Codex and apply it in real work.
Let’s find the right path for your product.
Whether you’re planning new work or unblocking an existing product, we’ll help you choose the right path forward.
How advanced are your React Native trainings?
We tailor the content to your team’s level, ranging from fundamentals for new joiners to deep dives into performance, architecture, and custom native integrations.
Can we focus the training on specific areas like navigation or CI/CD?
Yes. Our programs are modular. You can prioritize topics relevant to your product, tech stack, or business goals.
Do you offer in-person training?
Yes. We offer on-site sessions to work directly with your team, improving engagement and real-time collaboration.
Do you provide follow-up support after the training?
Yes. We can include post-training Q&A sessions or office hours to reinforce learning and help apply it to real projects.
Can your engineers help us build internal training capabilities?
Yes. We can work with your internal leads to develop reusable materials, onboard new hires faster, or scale knowledge transfer across teams.
How many developers can join a single training?
We usually recommend cohorts of up to 10 people to keep sessions interactive, but we can adapt based on your team’s size and needs.
Can you train our team on AI-assisted React Native development?
Yes. We cover agent-driven workflows for scaffolding, refactoring, and testing, plus the review practices that keep quality high. It's the same AI-native setup our own delivery teams use every day.
Can you help us hire React Native developers?
Yes. We support your recruitment process by assessing candidates, running technical interviews, and making sure new hires meet the standards for modern React Native development.
Train your team on the latest React Native practices
We trained 50+ developers at a leading US entertainment company in one month. Let us define a program that targets your team's gaps.
The trainers are always very helpful and supportive. It really makes a difference!
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.
Insights






