--- title: "Artur Morys-Magiera" description: "Artur Morys-Magiera builds React and React Native apps and is a PhD candidate at AGH University of Kraków, with experience in AI and native development." url: https://www.callstack.com/team/artur-morys-magiera updated: 2026-10-22T14:18:27.927Z --- # Artur Morys-Magiera Artur Morys-Magiera builds React and React Native apps and is a PhD candidate at AGH University of Kraków, with experience in AI and native development. _Software Engineer_ Artur is a React Native and React developer, PhD candidate at AGH University of Krakow, and honours MEng graduate in Automation and Robotics, with a major in IT in Control and Management. His work spans cross-platform mobile apps, web applications, and native software, backed by broad experience across full-stack development, low-level programming, machine learning, AI, and computer vision. While his core stack centers on TypeScript, JavaScript, React, and React Native, he also works across Kotlin, Java, Swift, Python, C#/.NET, and C++. [X](https://x.com/artus9033) · [GitHub](https://github.com/artus9033) ## What I’ve been shipping - [Efficient On-Device LLMs in React Native Done Right](https://www.callstack.com/events/efficient-on-device-llms-in-react-native-done-right) (Talk, 11/17/2026): Artur Morys-Magiera will cover efficient on-device LLMs in React Native, including runtimes, model selection, quantization, and platform constraints. - [Quantization Impact on LLM Quality: A Case Study of Apex](https://www.callstack.com/events/quantization-impact-on-llm-quality-a-case-study-of-apex-a-gemma-based-model) (Talk, 11/4/2026): Artur Morys-Magiera and Lech Kalinowski share findings from 344 benchmark runs with Apex, our Gemma-based LLM, examining the trade-offs between model size, decode speed, and quality. - [React Native Brownfield Deep Dive: How RN Moves Into Native Applications](https://www.callstack.com/events/react-native-brownfield-deep-dive-how-rn-moves-into-native-applications) (Talk, 10/9/2026): Artur Morys-Magiera will explain how React Native can move into an existing native app without forcing a big-bang rewrite. - [React Native in .NET MAUI: A Practical Brownfield Integration Guide](https://www.callstack.com/blog/react-native-in-net-maui-a-practical-brownfield-integration-guide) (Article, 8/27/2026): Learn how to embed React Native inside a .NET MAUI app with a brownfield setup. This guide covers runtime packaging, lifecycle wiring, navigation, and shared state across both runtimes. - [Adoption of Brownfield in React Native](https://www.callstack.com/events/adoption-of-brownfield-in-react-native) (Talk, 8/27/2026): Artur Morys-Magiera will explain how teams can adopt React Native incrementally inside existing native applications. - [Automating React Native Evals With Airflow](https://www.callstack.com/blog/automating-react-native-evals-with-airflow) (Article, 8/21/2026): How Airflow coordinates React Native Evals, runs solver and judge models separately, and keeps every result traceable through human review. - [How we made Hybrid iOS apps compile 39% faster with React Native Brownfield](https://www.callstack.com/blog/how-we-made-hybrid-ios-apps-compile-39-faster-with-react-native-brownfield) (Article, 7/8/2026): See how React Native Brownfield uses iOS prebuilts to cut packaging times by up to 39% for hybrid apps, with details on setup, internals, and benchmark results. - [Building AI Agents With Eve: Tools, Skills, and Evals](https://www.callstack.com/events/can-eve-make-ai-agents-easier-to-build-and-run) (Live Stream, 7/2/2026): Learn how Eve helps structure AI agents with tools, skills, sandboxes, local models, HTTP channels, and evals. - [State of Brownfield in React Native](https://www.callstack.com/events/state-of-brownfield-in-react-native) (Talk, 4/23/2026): A practical look at Brownfield React Native adoption in mature native apps, architecture, tooling, and real-world tradeoffs. - [React Native Evals: Measuring AI Code Quality in Practice](https://www.callstack.com/events/react-native-evals-making-ai-code-quality-measurable) (Live Stream, 3/12/2026): React Native Evals introduces a data-driven way to measure how AI coding models perform on real React Native development tasks. - [Announcing React Native Evals](https://www.callstack.com/blog/announcing-react-native-evals) (Article, 3/5/2026): We built an open-source benchmark to measure how AI coding models handle real React Native tasks, such as animations, async state, navigation, and more. - [MLC LLM + React Native: On-Device AI Without the Pain](https://www.callstack.com/tutorials/mlc-llm-react-native-on-device-ai-without-the-pain) (Tutorial, 3/5/2026): 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. - [Announcing: React Native Brownfield v3 with Expo Config Plugin](https://www.callstack.com/blog/announcing-react-native-brownfield-v3-with-expo-config-plugin) (Article, 2/26/2026): Use React Native Brownfield v3 and Expo to migrate native apps incrementally with artifact-based integration for iOS and Android. - [LLM Inference On-Device in React Native: The Practical Aspects ](https://www.callstack.com/events/llm-inference-on-device-in-react-native-the-practical-aspects) (Talk, 1/29/2026): A practical look at reliability, performance, libraries, and tradeoffs when running LLM inference locally in React Native apps. - [React Universe Meetup x Zalando, Berlin](https://www.callstack.com/events/react-universe-meetup-x-zalando-berlin) (Meetup, 1/29/2026): React Universe Meetup lands in Berlin on January 29, 2026. Join Zalando and Callstack for an onsite React Native-focused evening. - [Profiling MLC-LLM’s OpenCL Backend on Android: Performance Insights](https://www.callstack.com/blog/profiling-mlc-llms-opencl-backend-on-android-performance-insights) (Article, 12/16/2025): Step-by-step: add EventTraceRecorder traces to MLC-LLM, use TVMSynchronize to bracket GPU work, and capture OpenCL kernel timings in TVM. - [Vega Developer Meetup](https://www.callstack.com/events/vega-developer-meetup) (Talk, 11/17/2025): Learn how to integrate React Native into Android TV apps at the Vega Developer Meetup. Workshop, roadmap, and community talks, live in Munich. - [Building React Native App for Vega OS](https://www.callstack.com/events/deep-dive-building-react-native-app-for-vega-os) (Live Stream, 10/2/2025): React 19.2 brings and useEffectEvent, new ideas for React state management arrive, and Vega OS debuts as a React Native-powered Linux OS. - [Ottrelite: Tracing Framework for React Native](https://www.callstack.com/events/ottrelite-tracing-framework-for-react-native) (Talk, 9/3/2025): Learn how Ottrelite brings modern, cross-platform tracing to React Native; no source build needed, with deep backend and language support. - [Visualizing Open Source Licenses to Analyze Compliance and Reduce Legal Risk](https://www.callstack.com/blog/visualizing-open-source-licenses-to-analyze-compliance-and-reduce-legal-risk) (Article, 8/7/2025): Discover how license-kit visualize maps and analyzes your dependency graph, helping you spot license issues, duplicates, and restrictive packages with interactive views, stats, and AI-powered summaries. - [React Native Legal: CLI & Programmatic API - Unified Tooling for License Attributions](https://www.callstack.com/blog/react-native-legal-cli-programmatic-api---unified-tooling-for-license-attributions) (Article, 6/26/2025): Discover React Native Legal, the first unified solution for managing open-source license attributions. Automatically handle both JS & native dependencies in any project via a powerful CLI and programmatic API. JOIN US ## Build the AI-native React Native future Work with engineers who contribute to the ecosystem and turn new technology into real products. At Callstack, AI is part of how we build, learn, and ship software. [Join Us](https://www.callstack.com/careers) [About us](https://www.callstack.com/about-us)