Callstack Engineers

@callstackio

We ship cross-platform products at AI speed. Training LLMs (Apex). React Native Core Contributors & React Foundation Members. Bringing you @AgentConf.

Wroclaw, Poland

callstack.com

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Callstack Engineers
@callstackio
Sep 1
🎉 @margelo_com Joins Callstack to Advance High-Performance React Native Engineering Vienna, Austria. 1 September 2026. Callstack, a leader in React Native and cross-platform development, today announced that Margelo, the Vienna-based high-end engineering company behind Nitro
Marc
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Callstack Engineers
@callstackio
Sep 11
A React Native migration for a crypto trading platform gave coding agents project-specific skills, access to simulators and devices, and React DevTools context. This made engineering standards reusable across teams. Read the case study to learn more at clstk.com/4gVi4b2
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Callstack Engineers
@callstackio
Sep 8
An agentic SDLC routed verifiable tasks to autonomous agents and kept judgment-heavy work in an engineer-guided Codex loop. The result: under one month to production, 80% estimated agent-executed effort, and up to 3x estimated acceleration. Learn more at clstk.com/3V2Hts1
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Callstack Engineers
@callstackio
Sep 7
How much AI can you run in the browser today? @nicodotdev from @huggingface joins @grabbou to explain how Transformers.js brings pretrained models into JavaScript for text, audio, image, and agent workflows. The conversation covers ONNX Runtime, WebGPU, model downloads and
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Callstack Engineers
@callstackio
Sep 4
Shipped with Apex
Michał Pierzchała
@thymikee
Sep 4
Introducing: 𝚜𝚌𝚛𝚎𝚎𝚗𝚜𝚑𝚘𝚝 --𝚌𝚛𝚘𝚙-𝚘𝚗. Agents can capture just the component they’re verifying, not the whole screen. Isolated visual checks. Fewer tokens. Clearer diffs. Coming to @agent_device 0.21 🔜
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