Gunnar Grosch
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Gunnar Grosch
@gunnargrosch.com
Principal Developer Advocate AWS | Engaged to the wonderful @arcticf0xx.com | Opinions are my own | gunnargrosch.com
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What an amazing week in Seattle for the first global AWS Heroes Summit! As a former AWS Hero myself, I continue being impressed by this unique group of people.

I'm so proud of the show my fiancée @taylorjacobsen, the community team, and all of AWS DevEx put on!

#awshero
Part 24 of DEV Track Spotlight 🦀

DEV405 with @darko.rup12.net (AWS Principal Developer Advocate)

"With the world of LLMs, with coding assistants, with everything at your fingertips, you don't need to write Python anymore. You can write Rust."

#AWSreInvent #DEVTrack #Rust
January 1, 2026 at 5:33 PM
Part 23 of DEV Track Spotlight 🤖

DEV331 with Erik Hanchett & Du'An Lightfoot (AWS Developer Advocates)

"Agents still need compute, storage, databases. All the knowledge you have is still valuable up until this point and beyond."

#AWSreInvent #DEVTrack #AWSCommunity
December 31, 2025 at 1:47 PM
Part 22 of DEV Track Spotlight 🤖

DEV403 with @jameshood.dev (AWS) & @maishsk.com (AWS)

"I am also a former AI skeptic. My previous experience with AI was trying flashy demos on real world code and watching it crash and burn."

Then he discovered Agent SOPs.
#AWSreInvent #DEVTrack #AWSCommunity
December 30, 2025 at 5:59 PM
Part 21 of DEV Track Spotlight 🚀

DEV304 with Elizabeth Fuentes Leone (AWS) & Rossana Suarez (AWS Container Hero, Naranjax)

Werner Vogels' most famous quote: "Everything fails all the time." Do you find out from dashboards or angry customers?

#AWSreInvent #DEVTrack #AWSCommunity #AWSHeroes
December 29, 2025 at 6:20 PM
Part 20 of DEV Track Spotlight 🗄️

DEV315 with Namrata H Shah (AWS Community Hero) & Rob Koch (AWS Data Hero)

"When databases can discover, recommend, and optimize on their own, they stop being reactive systems and become intelligent partners."

#AWSreInvent #DEVTrack #AWSCommunity #AWSHeroes
December 28, 2025 at 5:30 PM
Part 19 of DEV Track Spotlight 💰

DEV318 with Steph Gooch (AWS) & Kenneth Attard (AWS Community Hero, Betsson Group)

"It's Friday morning, you've had an easy week... And then you get this email, your AWS budget has gone off"

#AWSreInvent #DEVTrack #AWSCommunity #AWSHeroes
December 27, 2025 at 6:03 PM
Part 18 of DEV Track Spotlight 🤖

DEV313 with Haowen Huang (AWS) & Cyrus Wong (AWS AI Hero)

"By the 2030s, we will see an agent economy operating like a global neural network of interconnected agents."

Voice-controlled humanoid robots, robot dogs & drones!

#AWSreInvent #DEVTrack #AWSCommunity
December 26, 2025 at 4:50 PM
Part 17 of DEV Track Spotlight 🎲

DEV330 with Olivier Leplus & Tiffany Souterre (AWS)

Building a multi-agent AI Game Master with Strands Agents SDK - live coding that made complex agent orchestration look simple!

#AWSreInvent #DEVTrack #AWSCommunity
December 25, 2025 at 3:16 PM
Part 16 of DEV Track Spotlight 🤖

DEV301 with @ana.dev (AWS) & David Victoria (AWS Community Hero, Caylent)

"Agents need to think locally, use tools locally, keep context between sessions, and sync to cloud once connectivity returns."

#AWSreInvent #DEVTrack #AWSCommunity #AWSHeroes
December 24, 2025 at 7:00 PM
Part 15 of DEV Track Spotlight 🗄️

DEV308 with Oleksii Ivanchenko (AWS) & @vkazulkin.bsky.social (AWS Serverless Hero)

"Why we need another serverless database?" Aurora DSQL bridges DynamoDB's serverless simplicity with relational ACID guarantees.

#AWSreInvent #DEVTrack #AWSCommunity #AWSHeroes
December 23, 2025 at 5:21 PM
Part 14 of DEV Track Spotlight ⚡

DEV320 with Steve Rice (AWS) & Ben Shumpert (AWS)

"Feature flags are the secret weapon of moving fast when you're developing software, as well as responding to issues on production."

#AWSreInvent #DEVTrack #AWSCommunity
December 22, 2025 at 4:17 PM
Part 13 of DEV Track Spotlight 🧠

DEV347 with Ben Kehoe (AWS Serverless Hero, Siemens)

"A builder's true job is solving problems, which may or may not require building something."

#AWSreInvent #DEVTrack #AWSCommunity #AWSHeroes
December 21, 2025 at 3:41 PM
Part 12 of DEV Track Spotlight 🤖

DEV327 with Haowen Huang (AWS) & Jacky Wu (AWS)

"Although we are still in the very early stage of agentic AI, we have a vision of a future world powered by AI agents."

#AWSreInvent #DEVTrack #AWSCommunity
December 20, 2025 at 11:29 AM
Part 11 of DEV Track Spotlight 🤖

DEV302 with AM Grobelny (AWS) & Nicki Stone (Amazon)

Microsoft just shifted from Semantic Kernel to Agent Framework, so this talk covered both the present and future of .NET AI development!

#AWSreInvent #DEVTrack #AWSCommunity
December 19, 2025 at 9:58 AM
Part 10 of DEV Track Spotlight 🛠️

DEV314 with @erikch.bsky.social (AWS) & @Nikhil Swaminathan (AWS)

Kiro's spec-driven development: the evolution beyond vibe coding. Requirements → Design → Tasks → Implementation with property-based testing & agent hooks.

#AWSreInvent #DEVTrack #AWSCommunity
December 18, 2025 at 2:57 PM
Part 9 of DEV Track Spotlight 🤖

DEV333 with Phil de Valence & @mattlewis.bsky.social

"65% of enterprise apps are legacy. AI agents are changing modernization—not with theory, but production-ready patterns already working for customers."

#AWSreInvent #DEVTrack #AWSCommunity #AWSHeroes
December 17, 2025 at 10:45 AM
Part 8 of DEV Track Spotlight ⚡

DEV312 with @anahit.bsky.social (AWS Data Hero, F-Secure)

"Serverless abstraction makes infrastructure seem magical. But we're still in the same messy physical world with all its complexities."

#AWSreInvent #DEVTrack #AWSCommunity #AWSHeroes
December 16, 2025 at 2:22 PM
Reposted by Gunnar Grosch
At the recent AWS re:Invent 2025, I taked about the use of generative AI foundation models on local/edge devices and AWS IoT Greengrass in the era of Physical AI.
I've received a summary of the session content, so I'm sharing it!
#reinvent25 #AWSreInvent #DEVTrack #AWSHeroes
Part 5 of DEV Track Spotlight 🤖

DEV316 with @ma2shita.bsky.social (AWS Hero, Soracom)

"AI has moved from the digital world into the real world. AI is no longer just on the screen. It can move things in the physical world."

#AWSreInvent #DEVTrack #AWSCommunity #AWSHeroes
December 15, 2025 at 3:46 AM
Part 7 of DEV Track Spotlight 🤖

DEV310 with Salih Gueler & Matt Goldberg

Pure live coding: built a full-stack GenAI gaming platform from scratch in under an hour using Kiro, AWS CDK, Amazon Bedrock & the new AWS MCP server.

"Agents are as smart as you tell them to be."

#AWSreInvent #DEVTrack
December 15, 2025 at 10:12 AM
Find someone that looks at you the way @ajs.bsky.social looks at @darko.rup12.net.
Part 5 of DEV Track Spotlight 🦀

DEV307 with @ajs.bsky.social (AWS Serverless Hero, Datadog) & @darko.rup12.net (AWS)

Amazon Aurora DSQL: Kotlin devs rewrote one component in Rust → 10x faster with ZERO optimization attempts!

#AWSreInvent #DEVTrack #AWSCommunity #AWSHeroes
December 14, 2025 at 10:20 AM
Part 5 of DEV Track Spotlight 🦀

DEV307 with @ajs.bsky.social (AWS Serverless Hero, Datadog) & @darko.rup12.net (AWS)

Amazon Aurora DSQL: Kotlin devs rewrote one component in Rust → 10x faster with ZERO optimization attempts!

#AWSreInvent #DEVTrack #AWSCommunity #AWSHeroes
December 14, 2025 at 10:11 AM
Part 5 of DEV Track Spotlight 🤖

DEV316 with @ma2shita.bsky.social (AWS Hero, Soracom)

"AI has moved from the digital world into the real world. AI is no longer just on the screen. It can move things in the physical world."

#AWSreInvent #DEVTrack #AWSCommunity #AWSHeroes
December 13, 2025 at 11:21 AM
Reposted by Gunnar Grosch
2025 has been the most gratifying year of my career. Felt privileged to share the #AWSreInvent stage with @abaibourova.bsky.social and tell the true story of how I went from #AI skeptic to power user, sparking a company-wide grassroots movement of tens of thousands of #Amazon builders.
Part 4 of DEV Track Spotlight 🤖

DEV323 with @jameshood.dev & @abaibourova.bsky.social (Prime Video)

"I don't think you can succeed in AI native transformation without grassroots energy from your builder community. However, it has to come both from bottoms-up and top-down."

#AWSreInvent #DEVTrack
December 12, 2025 at 1:15 PM
Part 4 of DEV Track Spotlight 🤖

DEV323 with @jameshood.dev & @abaibourova.bsky.social (Prime Video)

"I don't think you can succeed in AI native transformation without grassroots energy from your builder community. However, it has to come both from bottoms-up and top-down."

#AWSreInvent #DEVTrack
December 12, 2025 at 12:18 PM
Part 3 of DEV Track Spotlight 🔒

DEV317 with @brianhhough.bsky.social (AWS DevTools Hero) &
@briantarbox.bsky.social (AWS Community Hero)

"AI agents are distributed systems - only harder. Every line in your architecture is an attack vector."

#AWSreInvent #DEVTrack #AWSHeroes
December 11, 2025 at 9:47 AM