Guest
Kewin Wereszczyński
Software Engineer
@
Callstack
Host
Jakub Urban
Software Engineer
@
Callstack

Would you consider a friendship with a chatbot? We don’t mean a full-blown romance from “Her”, but a productive workplace collaboration - just like the one Callstackers have with Cassandra. Who, you may ask? Our custom AI-supported chatbot designed to optimize company operations, whom you’re about to meet in this Coffee Talk episode!

How to create an AI assistant to empower your business

  • Why we chose OpenAI’s ChatGPT
  • Challenges faced and solutions devised
  • Performance and security considerations
  • Future of AI in workplace management

More on creating custom chatbots

  • byorg.ai - Callstack’s chatbot application framework

Insights

Learn more about AI

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Nov 17Talk

Efficient On-Device LLMs in React Native Done Right

Artur Morys-Magiera will cover efficient on-device LLMs in React Native, including runtimes, model selection, quantization, and platform constraints.

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Nov 17Talk

On-Device AI After WWDC: What Changed for React Native

Mike Grabowski will explain what changed for system-provided on-device AI after WWDC and what React Native developers can build with it.

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Nov 16Talk

Beyond Coding Agents: Making ADLC Work Across Platforms

Mike Grabowski will explain how to close the full agentic development lifecycle across mobile, web, and native platforms.

Building the React Native Software Factory — cover

Nov 11Talk

Building the React Native Software Factory

Join us at React Foundation Meetup London on November 11 to explore how AI agents build and debug React Native apps, from one terminal to the cloud.

Building a Software Factory: Write Specs an Agent Can Build From — cover

Nov 6Article

Building a Software Factory: Write Specs an Agent Can Build From

Learn how to research requirements, resolve open decisions, and write testable specs that AI coding agents can implement without the planning conversation.

 Large-Scale Migrations With Coding Agents: Planning, Verification, and Rollback — cover

Nov 4Article

Large-Scale Migrations With Coding Agents: Planning, Verification, and Rollback

Plan codebase migrations with coding agents using reviewable requirements, verification checks, staged rollouts, and defined rollback criteria.

Quantization Impact on LLM Quality: A Case Study of Apex — cover

Nov 4Talk

Quantization Impact on LLM Quality: A Case Study of Apex

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.

Conversational Banking: From Customer Questions to Authorized Actions — cover

Nov 2Article

Conversational Banking: From Customer Questions to Authorized Actions

Explore conversational banking architecture through a card-dispute example, covering tool access, authorization, execution, observability, and human handoff.

Building a Software Factory: The Night My Agents Waited for Me — cover

Oct 28Article

Building a Software Factory: The Night My Agents Waited for Me

Learn how permissions, review limits, and missing product decisions stalled two overnight coding agent runs, and how their maintainer revised the workflow.