Training an AI-powered Slackbot sounds straightforward - until your model starts ignoring half of the data you feed it. At AWS User Group Vienna, we built OTTO, a Slack-integrated AI assistant, fine-tuned using the open source tool InstructLab and deployed on Amazon Bedrock. But as we scaled up, we ran into real-world bottlenecks: training on MacBooks was slow, retrieval was inconsistent, and debugging was way harder than expected. This talk goes beyond the ‘perfect AI stack’ and into the messy reality of model tuning, infrastructure choices, and the unexpected lessons we learned. If you’re working on AI-powered assistants (or just curious how fast things can go sideways), this talk will provide practical insights into our approach, with focus on cost efficiency, and what we learned on the way.
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Speaker
Linda Mohamed
6
talks
Linda Mohamed is an AWS Hero and a vocal advocate for women in tech, focused on community building and cloud leadership. She is a speaker who presents sessions on building AI assistants, sharing real-world lessons learned from projects like OTTO and deployments on Bedrock. Her expertise spans cloud strategy, AI-enabled solutions, and hands-on deployment at scale. She is known for translating complex cloud and AI concepts into practical guidance for teams and organizations.
Bio from: AWS re:Invent 2024
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Talks & appearances
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Panel discussion featuring Nora Schöner, Thembile Martis, Suzana Melo; moderated by Linda Mohamed.
In this session, discover how AI services, including Amazon Q Business, can help to scale and improve community engagement, streamline events planning, and handle everyday tasks as an event organizer. Dive into technical insights with a demo as we share practical ideas and offer guidance on getting started. Learn how to use AI and services like Amazon S3 and AWS Lambda. Building and growing communities is crucial. Whether you’re organizing monthly meetups or full-scale events, learn how to use these tools to work smarter and more efficiently.
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About AWS: Amazon Web Services (AWS) hosts events, both online and in-person, bringing the cloud computing community together to connect, collaborate, and learn from AWS experts. AWS is the world's most comprehensive and broadly adopted cloud platform, offering over 200 fully featured services from data centers globally. Millions of customers—including the fastest-growing startups, largest enterprises, and leading government agencies—are using AWS to lower costs, become more agile, and innovate faster.
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Fireside chat with Nana Janashia, moderated by Linda Mohamed.
Fireside chat with Katrin Kull and Linda Mohamed about leadership, empowerment, and experiences in cloud computing.
Hear from Linda Mohamed about her personal journey and building community.