Platform Engineering at @Replit. I like systems.

Joined December 2021
23 Photos and videos
Who'd have guessed SpaceX would go to the Moon
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Congrats @amasad!
Proud day at Replit. His Majesty King Abdullah II, King of Jordan, awarded our CEO @amasad the Order for Distinction during Jordan's 80th Independence Day. From Amman to the world, this one is for the builders. 🇯🇴
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I was excited for my fitbit air but @googlehealth mobile app is a mess. data visualizations are bad, AI stuff taking up huge space. they need to drop the "card" concept that is showing the org chart since data is coming from different teams and build a coherent product.
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Ertan retweeted
Hey mom, I’m on TV! Combining frontier models from @claudeai with frontier agents at @Replit helped us discover a lot before major model releases, and helped us keep improving the agent experience for users. Trying to break models is fun.
Before we ship a new model, these teams try to break it. They build with it, push it to its limits, and tell us where it falls short. What they find makes the final model better.
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This has been my philosophy as I stepped into management and I'm glad about that.
Since I'm on a streak of semi-unpopular management takes: This is very real. I've seen many high-powered software engineering ICs turn people managers and become completely detached from the tech. Like, you cannot imagine that they were ever truly technical. If you make the step to management you need to be paranoid this does not happen to you. The good news: AI has made this 100x easier. There is just no reason not to have an agent hacking during that 1:1 about performance scores
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it might be obvious by now but a big chunk of vibe coded apps use AI in some form. you can simply do a lot more with a CRUD app now.
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on replit 😎
🚨FACT: The petition to get Kylian Mbappe OUT of Real Madrid has been signed more than any human right's petition in recorded history.
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sharing the love of the game with the rest of the world
Now everyone can experience getting paged at dinner because the site is down 😅
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Ertan retweeted
Free Agent usage starts at 5:00am PST on May 2 for 24 hours
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Ertan retweeted
The nice thing about an exponential is that is exponential, no matter the scale. At #GoogleCloudNext, @stkenned shared how Cloud Run powers @Replit's deployments: - A year ago: 150k apps - Today: > 1M apps And the chart looks exactly the same, just a different scale.
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while influencers of AI skepticism are engagement farming using fake anecdotes, real builders are actually learning the intricacies of the tool by getting their hands dirty and generating revenue. which side are you on anon?
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first inner loop, then outer loop
AI ate most of the software development lifecycle but maintaining live apps is still manual. “DevSecOps” is the new bottleneck as software creation explodes. Introducing Replit Auto-Protect: a 24x7 vulnerability scanner for your live apps.
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going to an AI dinner tonight so I had to wear my AI shoes
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Ertan retweeted
Vibe coding is changing how software gets built. But as AI agents write more of our code, the question security teams are asking has shifted from "Can AI build this?" to "Can I trust what AI builds?". At Replit, we believe the answer has to be yes, not through blind faith, but through architecture. Every layer of the Replit infrastructure where customer code runs, from the development sandbox to the production deployment, is designed with defense in depth. The Replit platform itself, our control plane, is also implemented with these principles in mind. No single control is the last line of defense. Every layer assumes the one above it might fail. This thread is a detailed walkthrough of how we think about security across the stack, written for the people who need to evaluate it: CISOs, security engineers, and teams considering Replit for production workloads. 🧵
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I love the fact that at Replit we always have something brewing internally for anything that is becoming a hot topic. Security has been a top of mind for us for a while and this is another major iteration by the team.
Meet Replit Security Agent - providing comprehensive app security reviews in minutes And you get $5 in credits to try it for a limited time Security Agent’s hybrid static analysis and AI-scanning approach is first of its kind: - Acts on custom threat model to review full codebase - Resolves vulnerabilities in parallel using background tasks - Reduces false positives by 90% Powered by @semgrep @HoundDogAI. Keep vibe coding safely 🔒
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Ertan retweeted
Meet Replit Security Agent - providing comprehensive app security reviews in minutes And you get $5 in credits to try it for a limited time Security Agent’s hybrid static analysis and AI-scanning approach is first of its kind: - Acts on custom threat model to review full codebase - Resolves vulnerabilities in parallel using background tasks - Reduces false positives by 90% Powered by @semgrep @HoundDogAI. Keep vibe coding safely 🔒
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Just thinking about relying RLS as the only way of doing authz gives me chills. It might be ok as another line of defense but too brittle for anything serious.
RLS was a mistake and folks exposing that level of complexity to less technical users is asking for trouble. It was a mistake in Firebase. It’s a mistake in Supabase. It will be a mistake in the next product too. I personally - even knowing how to secure it - would never touch it. It’s the worst security footgun you can imagine. One small mistake and your data is available to the world.
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Today I asked a new grad what he is looking for in his first job. He said he wanted to tackle the hardest infra challenges. He got excited when I told him about Platform team at Replit. I can already tell he has a bright future.
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Ertan retweeted
Replit Agent 4 is even smarter now with Claude Opus 4.7! 50% off for a limited time. Go try it now ↓
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great job Yagiz Kaan! 👏
History has been made today. At just 14 years old, Yağız Kaan Erdoğmuş crosses 2700 threshold on live ratings, becoming the youngest player in the history of chess to do so. A monumental achievement for Yağız and a proud day for Türkiye. 🇹🇷
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