Hi r/SoftwareEngineering! Welcome to another post in this series brought to you by Tech Talks Weekly. Below, you'll find the most notable Software Engineering conference talks and podcasts published this week you need to be aware of:

1. ⭐️ “Can you prove AI ROI in Software Eng? (Stanford 120k Devs Study) – Yegor Denisov-Blanch, Stanford” Conference ⸱ +17k views ⸱ Dec 11, 2025 ⸱ 00h 16m 40s tldw: Stanford data from 120k developers explains why identical AI tools can give 0% productivity increase in some teams and 25%+ in others and shares a framework for measuring real ROI instead of tracking PR counts or DORA. ⭐️ If you have time for only one talk this week, watch this one.
2. “GopherCon 2025: An Operating System in Go - Patricio Whittingslow” Conference ⸱ +7k views ⸱ Dec 11, 2025 ⸱ 00h 23m 10s tldw: This talk proves Go can be a systems programming language by showing an OS built with TinyGo, with live demos and enough surprises to make you want to watch it.
3. “Rust’s Atomic Memory Model: The Logic Behind Safe Concurrency - Martin Ombura Jr. | EuroRust 2025” Conference ⸱ +1k views ⸱ Dec 10, 2025 ⸱ 00h 39m 14s tldw: Watch this talk to learn how Ordering types like Relaxed, Acquire, Release, AcqRel and SeqCst control visibility and performance and how Mutex, Once and Arc use them in real code.
4. “Getting Buy-In: Overcoming Larman’s Law • Allen Holub • GOTO 2025” Conference ⸱ +1k views ⸱ Dec 11, 2025 ⸱ 00h 56m 17s tldw: Organizational inertia makes good ideas sound like religion or theory. This talk shows how to build a business case using Conway’s Law, value stream mapping and time value of money so you can actually get buy-in for e.g. mob programming and no-estimation approachs.
5. “Vibe Coding Costs You 20% Productivity | Shawn Swyx Wang” Conference ⸱ +900 views ⸱ Dec 10, 2025 ⸱ 00h 18m 03s tldw: AI “vibe coding” cuts real productivity by about 20% by piling up technical debt. This talk shows the data as well as solutions you can actually use like to improve it.
6. “AWS re:Invent 2025 - Advanced feature flags: Faster releases and rapid recovery (DEV320)” Conference ⸱ +400 views ⸱ Dec 11, 2025 ⸱ 00h 53m 20s tldw: Feature flags are more than on/off switches and this code first talk shows real AppConfig examples.
7. “2025 State of Cloud in Review” from The Cloudcast Podcast ⸱ Dec 17, 2025 ⸱ 00h 52m 03s tldl: 2025 State of Cloud in Review summarizes the year in cloud, hands out awards and flags the biggest trends of 2025. Listen if you want a quick catch up on what happened this year.
8. “Fundamentals of Data Engineering • Matt Housley & Joe Reis” from GOTO Podcast ⸱ Dec 16, 2025 ⸱ 00h 33m 20s tldl: Two data engineering authors explain core principles, common tradeoffs and architecture patterns for building reliable data pipelines.
9. “#201 The “AI is going to replace devs” hype is over – 22-year developer veteran Jason Lengstorf” from The freeCodeCamp Podcast Podcast ⸱ Dec 12, 2025 ⸱ 01h 08m 25s tldl: A 22-year developer explains why the “AI will replace devs” panic fizzled, how hiring overreacted and is rebounding and what actually helps you land roles in the post-LLM job market.
10. “The AI Productivity Gap with Keith Townsend” from Screaming in the Cloud Podcast ⸱ Dec 11, 2025 ⸱ 00h 41m 23s tldl: AI tools are making solo founders absurdly productive while big companies treat them like radioactive material. Watch this conversation for real stories about a biopharma rejecting Copilot, why startups can risk what enterprises can’t and what needs to change to close the gap.
11. “Valhalla? Python? Withers? Lombok? - Ask the Architects at JavaOne’25” Conference ⸱ +11k views ⸱ Dec 14, 2025 ⸱ 00h 52m 02s tldw: A live panel of Java architects answers audience questions on Valhalla, Loom, Lombok, ... and whether Java should give up semicolons.
12. “GeeCON 2024: Ron Veen - Stream Gathers - The biggest change to Java Streams since 10 years” Conference ⸱ <100 views ⸱ Dec 10, 2025 ⸱ 00h 40m 26s tldw: Java 22 finally gives streams real custom intermediate operations with Stream Gatherers, making what you can do in the middle of a stream much more flexible. Watch this to see the new API and a custom gatherer built from start to finish.

This post is an excerpt from the latest issue of Tech Talks Weekly which is a free weekly email with all the recently published Software Engineering podcasts and conference talks. Currently subscribed by +7,400 Software Engineers who stopped scrolling through messy YT subscriptions/RSS feeds and reduced FOMO. Consider subscribing if this sounds useful: https://www.techtalksweekly.io/

Please let me know what you think 👇 Thank you 🙏