💥 Tech Talks Weekly #78

Oct 08, 2025

Happy Wednesday 👋

Warm welcome to Tech Talks Weekly #78! We have some really good talks on the list this week, so get ready!

Oh, and btw. I’ve recently published a list of the most-watched Rust talks of 2025 so far. Make sure to check it out!

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Now, let’s jump right in!

🏆 Featured talks of the week

Here are our top recommendations this week. Make sure to watch or bookmark!

“Artificial, yes; Intelligent, no. - Keynote by Ted Neward” ⸱ +200 views ⸱ 02 Oct 2025 ⸱ 00h 52m 07s
tldw: This talk is about the hype vs reality of AI, focusing on ChatGPT’s capabilities and limitations. The speaker argues that AI’s potential is often overstated, leading to misunderstandings and AI psychosis. Through historical context and industry cycles, you’ll learn why AI isn’t an existential threat.
“The Hacker’s Guide to Kubernetes by Patrycja Wegrzynowicz” ⸱ +100 views ⸱ 02 Oct 2025 ⸱ 00h 45m 59s
tldw: You’ll see live demos of hacking Kubernetes, focusing on the OWASP Kubernetes Top 10 security risks. You’ll learn to exploit vulnerabilities in clusters, compromise user accounts, and prevent common mistakes. This talk offers practical insight into securing Kubernetes systems, showing how misconfigurations can lead to complete clusters being compromised.
“GeeCON 2024: Bartosz Wieczorek - Atomics Habits in cost optimizations in the cloud” ⸱ <100 views ⸱ 01 Oct 2025 ⸱ 00h 19m 33s
tldw: You’ll learn how small, incremental changes can lead to significant cloud cost savings, framed through the “Atomic Habits” approach. The speaker shares 7 best practices from a large-scale Saber project that cut cloud costs by 45%, saving about $900,000 yearly. Technical tips include resource monitoring, machine selection, challenging defaults, and re-architecting.
“Introduction to ADRs by Vladas Diržys” ⸱ +300 views ⸱ 02 Oct 2025 ⸱ 00h 42m 29s
tldw: The speaker explains how to document significant decisions, which helps teams maintain context as projects evolve.
“Nemanja Drobnjak - Scaling Heights: Highly scalable architecture with Next.js” ⸱ <100 views ⸱ 01 Oct 2025 ⸱ 00h 24m 00s
tldw: In this talk, you’ll learn how to build scalable web applications with Next.js by leveraging features like server-side rendering and modular architecture. The speaker shares insights on component reusability, data fetching strategies, and state management. They also discuss real-world examples, focusing on middleware use and API routes.
“Level Up Your Java Streams with Gatherers by Hinse ter Schuur” ⸱ +200 views ⸱ 02 Oct 2025 ⸱ 00h 39m 10s
tldw: You’ll learn how Java 24’s Stream Gatherers add custom intermediate operations to streams, moving beyond standard functions like map and filter. You’ll learn about window functions and scan operations, enabling powerful new transformation possibilities.
“Charting the uncharted: Discovering and evolving bounded contexts - Prem Chandrasekaran - DDD Europe” ⸱ +200 views ⸱ 06 Oct 2025 ⸱ 00h 55m 25s
tldw: You’ll learn how to identify and evolve bounded contexts in Domain-Driven Design.
“Lessons learned in bringing a RAG chatbot with access to 50k+ diverse documents to production” ⸱ +200 views ⸱ 05 Oct 2025 ⸱ 00h 45m 20s
tldw: The talk covers three elements: the data ingestion pipeline, chatbot workflow, and evaluation framework. You’ll learn about the challenges and solutions in scaling such a system.
“The Future of Serverless • Nick Coult • GOTO 2025” ⸱ +1k views ⸱ 01 Oct 2025 ⸱ 00h 28m 08s

📆 New talks

Here’s the complete list of all the talks published since the last Tech Talks Weekly issue, grouped by conference, and ordered by the number of views for your convenience.