--- title: "Team Training" description: "We run targeted, hands-on training around your codebase, engineering goals, and delivery constraints. Programs cover React and React Native fundamentals, architecture, performance, production patterns, and AI-assisted workflows." url: https://www.callstack.com/capabilities/team-training updated: 2026-11-06T10:06:39.888Z --- # Team Training We run targeted, hands-on training around your codebase, engineering goals, and delivery constraints. Programs cover React and React Native fundamentals, architecture, performance, production patterns, and AI-assisted workflows. _[Expert Engineering](https://www.callstack.com/ai-native-engineering) › Team Training_ **Build stronger engineering teams.** We run targeted, hands-on training around your codebase, engineering goals, and delivery constraints. Programs cover React and React Native fundamentals, architecture, performance, production patterns, and AI-assisted workflows. [Book consultation](https://www.callstack.com/contact) [Explore services](#services) Trusted by 100+ Enterprise clients Expensify · Ticketmaster · DirecTV · MLS · PWC · Evernote · AutoZone · MoMo · Dream11 · Rainbow · Futurewei · RIMAC · Hello Fresh · Haaretz · ForaTravel · CelcomDigi · Teamworks · Boats · Questrade · Dialogue Why train with Callstack ## Learn from engineers who solve these problems in production. Our trainers are React and React Native Core Contributors and senior engineers working on demanding production codebases. They teach the fundamentals, architecture, performance, and AI-assisted workflows your team needs, using your stack and delivery constraints. - **Train on what matters now.** Each program is shaped around your team’s experience, stack, and roadmap. - **Work through real engineering problems.** Hands-on exercises connect the training to the code and delivery challenges your engineers face. - **Build judgment, not tool dependence.** Teams learn the principles behind architecture, performance, review, and effective AI-assisted delivery. - **Keep the knowledge in the team.** Reusable materials, follow-up sessions, and internal trainers help new practices stick. Services ## Choose the training your engineering team needs. ### Use Cases - [AI Developer Training](https://www.callstack.com/services/ai-developer-training): Hands-on training that moves engineers from ad hoc experimentation to deliberate, effective AI use. - [React Native Trainings](https://www.callstack.com/services/react-native-trainings): Train your team on React Native tooling, architecture, AI-native workflows, and production patterns with Core Contributors. Team Training ## Level up your engineering team. Bring us your engineers and the problems they need to solve. We will design a hands-on program around React, React Native, architecture, performance, and AI-assisted delivery. [Train my team](https://www.callstack.com/contact) How we work together ## Training shaped around your team, codebase, and roadmap. ### 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 - Industry runs on our tooling · 50M+ OSS downloads / month - React Foundation Founding Member · 300+ commits to React Native · Contributing since 2016 - [2.8x Knowledge increase over 8 weeks](https://www.callstack.com/case-studies/training-hellofresh-engineers-to-build-production-apps-with-react-native) - 100+ Enterprise projects delivered - ISO 27001 certified - [Agent Skills · Callstack’s engineering practices packaged as reusable instructions for coding agents.](https://github.com/callstackincubator/agent-skills) - “The 1:1 sessions were nice. Good to have a dedicated time for questions.” — John, HelloFresh Case studies ## What shipping at AI speed looks like ### [Improving performance of Super App](https://www.callstack.com/case-studies/improving-performance-of-super-app-for-momo) Expert Engineering · Finance ### [Training HelloFresh engineers to build production apps with React Native](https://www.callstack.com/case-studies/training-hellofresh-engineers-to-build-production-apps-with-react-native) Expert Engineering · Retail & E-commerce **2.8x** increase in knowledge over 8 weeks (25% → 71% assessment scores) 10 years of React Native → Now in your AI stack ## Level up your engineering team. Bring us your engineers and the problems they need to solve. We will design a hands-on program around React, React Native, architecture, performance, and AI-assisted delivery. [Train my team](https://www.callstack.com/contact) 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. [Check All Tools](https://www.callstack.com/open-source) [Explore AI Infrastructure](https://www.callstack.com/capabilities/self-hosted-ci-cd-infrastructure) - [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) - [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) - [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) - [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) - [Skill Gym](https://incubator.callstack.com/skillgym/): Prove your agent skills work before you ship them (1.6K downloads/mo) - [Agent Device](https://agent-device.dev/): CLI to control iOS and Android devices for AI agents (980.4K downloads/mo) - [React Native Evals](https://github.com/callstackincubator/evals): A benchmark suite for evaluating how coding models solve real React Native tasks (111 stars) Insights ## Worth your time, by engineers. [Explore Insights](https://www.callstack.com/insights) - [React Native production lessons from React Universe Meetup x Zalando](https://www.callstack.com/blog/react-native-production-lessons-from-react-universe-meetup-x-zalando) (Apr 28 · Article): React Native has already proven it can ship production apps. The harder question is how it performs in brownfield migrations, feed-heavy interfaces, native API integrations, and hardware-constrained environments. This article shares four practical lessons from React Universe Meetup x Zalando in Berlin. - [12 Rules and Approaches of Code Writing for Beginners](https://www.callstack.com/blog/12-rules-and-approaches-of-code-writing-for-beginners) (Aug 13 · Article): Writing clean, readable code is essential for developers at any level. This guide shares 12 practical rules to help you structure code logically, use consistent naming conventions, and make your projects easier to read, test, and maintain over time. - [Develop Your Team's Skills Through Remote React Native Training](https://www.callstack.com/blog/remote-react-native-training) (Jul 2 · Article): Conducting effective remote training can be challenging, but it's possible with the right tools and approach. We share how we adapted our React Native training to deliver an interactive, engaging experience for developers—complete with live coding, breakout rooms, and real-time communication. - [The Team Growth Done Right](https://www.callstack.com/blog/the-team-growth-done-right) (Jun 25 · Article): Callstack has grown to nearly 20 developers who tackle complex React and React Native projects. To support their growth, the company created the Special Forces program with four focus areas: Open Source Evangelists, Tech Wizards, Rockstar Speakers, and Trendsetters.