CEO of AIEngg
Bengaluru, India
Joined March 2016
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Blog post #15: MCP and Agents
If you are an AI Engineer, you must know this topic.
aiengg.dev/blog/mcp-and-agen…
Hi Gaurav,
We couldn’t send this without mentioning the potholes.
You took a daily frustration in Bengaluru and built a way to document potholes and prepare reports with Codex. That instinct to ask how a system works, then make it work a little better, also runs through what you teach at InterviewReady.
Thank you for putting Codex to work on a problem people recognise the moment they step outside. It’s a story we’re proud to be part of.
Here’s a Codex Micro for the next idea you decide is worth building. We suspect your list is already fairly long.
The OpenAI team
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Let's go!
Gaurav Sen retweeted
We are back!
A lot has changed since we last posted :)
So let's keep it light and start off with a blog on system design (Uber's matching algorithm).
Cheers!
interviewready.io/blog/uber-…
Are tech influencers using the same prompt to generate AI posts?
After I explained why LLD is dead, all the influencers are talking about how "AI can't debug at 3 AM".
Why? Is 3 AM spooky hour for LLMs?
I guess Halloween comes early for AI.
Boo.
Gaurav Sen retweeted
The Instagram crackdown is not going to work!
The government is taking down thousands of posts and accounts every day, but it seems to be missing a fundamental point.
Instagram is just a platform where people are raising their questions. The reasons behind those questions exist far beyond social media, and taking down accounts won't make them disappear.
If anything, this censorship risks creating even more distrust among the very people the government is supposed to answer to.
Gaurav Sen retweeted
Instagram removes the reel posted on LiveLaw's official page about the ECI's affidavit in the #SupremeCourt.
The reel, which was only an explanation of the ECI's version, was removed by Instagram saying, "We received a legal request to restrict this content".
There is no explanation how the reel (instagram.com/reel/De_dnDnOW…) violated any law.
@instagram @Meta
The same video is available on YouTube - youtube.com/watch?v=OuEYr-bY…
Blog post #14: RAG + PDF at scale
This is how documents are parsed at Uber.
aiengg.dev/blog/how-uber-ai-…
Folks, I understand that this is a trying time for all of us.
My intent isn't to offend you, but to share what the research suggests and show where the industry is moving.
Your comments are very helpful, thank you.
Let's do this together :D
If your profile mentions languages like "Java" or "React".
Please update it.
No one cares about the programming language you use anymore.
Spend your time engineering.
You are a software engineer. You can create applications in any langauge.
With the help of agents, you don't need to learn the specific langauge.
Some people try to hide their incompetence behind "reliability" and "scale".
Skill issue. Google and Amazon are heavily using AI. Their applications scale enormously.
And they are all moving to AI.
For good reason.
Blog post #13: Hallucinations
This post shows how Lyft reduced hallucinations by 20%.
If you are an AI engineer, you'll find this blog useful.
aiengg.dev/blog/this-is-how-…
Gaurav Sen retweeted
Blog post #2: How Netflix serves 200 billion hours of video every year
interviewready.io/blog/how-n…
Blog post #12: Vector databases at scale
We discuss how real-time updates happen here.
aiengg.dev/blog/vector-datab…
Software development ❌
Harness engineering ✅
This is our engineering story.
Until August 2026, our team was writing code without a harness.
In a month, we built a reliable harness based on engineering best practices.
The result:
1. 1664 PRs merged.
2. AWS costs optimized.
3. SEO-optimized pages now cached at the CDN edge.
4. Legacy codebases retired, security audit complete.
5. AI mock interviewer is now voice-first.
The harness was built step by step:
1. By batching processes for background jobs
2. Caching data (close to users when possible)
3. Indexing the database
4. Optimizing for AWS costs
5. Add observable traces and logs
This is the first version of an optimized, self-healing system. We are moving the video editing pipeline here too.
"But what about writing code?"
None. ZERO. No code written manually.
Did system design and AI best practices help? Yes.
If you are a software engineer looking to transition to AI, now is a great time.
