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
Such a fun event in Helsinki with AWS User Group Finland! One of the attendees described what I did as "lively" and I guess that sums it up quite well!

As always, these events are all about the community and the people. I'm leaving Helsinki with a full heart. I love you all! ❤️
February 10, 2026 at 9:09 PM
Happy Friday, everyone! We're celebrating with proper Italian kebab pizza and proper Italian pineapple pizza! 🍕
January 16, 2026 at 3:07 PM
🎯 DEV Track Spotlight: Breakout Sessions & Code Talks from AWS re:Invent 2025

I've covered 27 incredible sessions featuring AWS Heroes and speakers from AWS.

From multi-agent AI systems to serverless, Rust performance to legacy modernization.

#AWSreInvent #DEVTrack #AWSCommunity #AWSHeroes
January 5, 2026 at 10:27 PM
Part 27 of DEV Track Spotlight 🤖

Together with @readysetcloud.io, I demonstrated how to build production-ready multi-agent AI systems at AWS re:Invent (DEV415).

The key? Treat agents like distributed systems with A2A protocol, MCP for typed interfaces, and RISEN prompts for deterministic behavior.
January 4, 2026 at 8:31 PM
Part 26 of DEV Track Spotlight 🚀

Shridhar Pandey (AWS) and I built a complete serverless image generation app - backend, frontend, observability - using Kiro CLI.

Session: Serverless Full-Stack in Action: AI-Driven Developer Experience

#AWSreInvent #DEVTrack #AWSCommunity
January 3, 2026 at 6:24 PM
Part 25 of DEV Track Spotlight 🤖

DEV332 with Joy Chakraborty (AWS) & Elizabeth Fuentes Leone (AWS)

"Simple things should be simple to build and deploy" - building multimodal AI agents with Strands Agents SDK & Amazon S3 Vectors

#AWSreInvent #DEVTrack #AWSCommunity
January 2, 2026 at 6:17 PM
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
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
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