Subham Khatri

Technical Architect | Java, Spring Boot, AWS, Redis, Kafka

[Subham Khatri @subhamtwt]

Week 1 of WFO at a startup.
Some wins, a few f**kups, random observations.
Dumping it all here 🧵

[Mr. Buzzoni @polydao]

Atlassian's revenue: $1.79 billion last quarter
Atlassian's move: fire the engineer who built their infrastructure

his move: post a 38-minute breakdown of every system he built, free for anyone to copy

what he revealed:

> Envoy proxy instead of enterprise load balancers
> sidecar architecture for auth, logging, rate limits
> DynamoDB + SQS for async provisioning
> Packer + SaltStack for automated VM deployments at scale

Atlassian charges per employee across 350,000 customers

this guy just handed you the enterprise playbook for free

save this

[Subham Khatri @subhamtwt]

Code is the closest thing to truth after mathematics.

[Rajjath @Rajjath24]

this is probably the most accurate message for everyone who’s feeling lost or confused or overwhelmed. just be moving, even in fear, through anxiety and you will meet your luck.

[Subham Khatri @subhamtwt]

@championswimmer Looks Interesting.
Features i am missing:
1) to slow down aging
2)add feature to raise funds or loans from banks
3)currently can't sell my datacenter if i am making negative money.

[Abhijit @abhijitwt]

Every time you see a startup with “.ai” in its domain…

someone is getting paid.

Not the founders.
Not the VCs.

A tiny Caribbean island is.

→ Anguilla

Back in 1995, countries got their domain codes:

> India got .in
> The UK got .uk
> The US got .us
> Anguilla got .ai

At the time, it meant nothing.

No tech scene.
No startups.
Just tourism.

Then ChatGPT happened.

And suddenly:

> .ai started to mean credibility
> .ai started to mean cutting-edge tech
> .ai started to mean something investors take seriously

So every startup rushed to buy it.

The result?

> Domains grew from ~60K to 1M+
> ~2,000 new registrations per day
> ~$130 per domain (2 years)

And here’s the crazy part:

> Nearly HALF of Anguilla’s national budget now comes from .ai domains

That money is funding:

> Lower taxes
> Free healthcare for kids
> A brand new international airport

No strategy.
No master plan.

Just… two letters assigned by chance.

Sometimes, the biggest leverage in the world is pure luck.

[Indian Tech & Infra @IndianTechGuide]

🚨 Several schools in Kerala are replacing row-based seating with U-shaped to eliminate the concept of "backbenchers."

[Subham Khatri @subhamtwt]

Good Java dev:
!ObjectUtils.isEmpty(source) && source == 1

Experienced Java dev:
Integer.valueOf(1).equals(source)

Because NullPointerException has already hurt them enough. ☕😂

[Subham Khatri @subhamtwt]

@DocPriyamMD So according to this exercise is food or bad ?

[Mrinal @Hi_Mrinal]

Hey chat if you want to deep dive into kafka you should be going ahead with this github repository

it literally has everything from fundamentals to how big orgs uses kafka

https://t.co/xGjtHwlLaw

[Luke The Dev @iamlukethedev]

AI agents now have pets. 🐶

and now I can feel what they’re doing.

🐶 excited → work getting done
🐱 sleeping → idle
🐺 pacing → stuck
🐵 celebrating → task complete

They follow.
They react.
They bring everything to life.

This is not a dashboard anymore.

It’s alive.

[Subham Khatri @subhamtwt]

One way for AI to control us.

[Linus ✦ Ekenstam @LinusEkenstam]

Huawei camera AI now recommends poses before you click the shutter button

[Aakash Gupta @aakashgupta]

There's a physicist at Stanford named Safi Bahcall who modeled this exact principle and the math is wild.

He calls it "phase transitions in human networks." When you're stationary, your probability of a lucky event is limited to your existing surface area: the people you already know, the places you already go, the ideas you've already been exposed to. Your opportunity window is fixed.

When you move, your collision rate with new nodes in a network increases nonlinearly. Double your movement (new conversations, new cities, new projects) and your probability of a serendipitous encounter doesn't double. It roughly quadruples. Because each new node connects you to their entire network, not just to them.

Richard Wiseman ran a 10-year study at the University of Hertfordshire tracking self-described "lucky" and "unlucky" people. The single biggest differentiator wasn't IQ, education, or family money. Lucky people scored significantly higher on one trait: openness to experience. They talked to strangers more, varied their routines more, and said yes to invitations at nearly twice the rate.

The "unlucky" group followed the same routes, ate at the same restaurants, and talked to the same 5 people. Their networks were closed loops. No new inputs, no new collisions.

Luck isn't random. Luck is surface area. And surface area is a function of movement.

The lobster emoji is doing more work than most people realize. Lobsters grow by shedding their shell when it gets too tight. The growth requires a period of total vulnerability. No protection, no armor, soft body exposed to the ocean.

That's the cost of movement nobody posts about. You have to be uncomfortable first. The new shell only hardens after you've already moved.

[New Mentalities @NewMentalities]

You weren’t given the hunger to starve. You were given it to hunt. So go hunt.

[Subham Khatri @subhamtwt]

@shguke Yes please.

[Nav Toor @heynavtoor]

🚨 Twilio charges $0.0079 per SMS. Someone just turned any old Android phone into a free SMS gateway. Unlimited messages. $0.

It's called SMS Gateway for Android.

Install it on any Android phone. It becomes a full SMS sending and receiving server with an API.

No Twilio. No MessageBird. No per-message pricing. No contracts. Just an old phone and a SIM card.

Here's what's inside this thing:

→ Send and receive SMS through a REST API from any app or service
→ Works with any Android phone running 5.0 or newer
→ End-to-end encryption. Messages are encrypted before they leave the device.
→ Multi-SIM support. Use multiple SIM cards on one phone.
→ Multi-device support. Connect multiple phones to the same account.
→ Real-time webhooks for incoming messages
→ Multipart messages with auto-splitting for long texts
→ Track delivery status of every message in real time
→ No registration required. No email. No account in local mode.

Here's the wildest part:

That old Android phone in your drawer that you haven't touched in 2 years? Install this app. Insert a SIM card. You now have your own private SMS infrastructure.

Two-factor authentication. Order confirmations. Appointment reminders. Notification alerts. All the things startups pay Twilio thousands a month for.

Free. Running on a phone you already own.

Startups spend $500 to $5,000/month on SMS APIs. This costs the price of a SIM card.

875 GitHub stars. 359 commits. Apache 2.0 License.

100% Open Source.

[Will Ahmed @willahmed]

You have no experience.
You’ve never started a company.
You’ve never had a full time job.
Nike is going to kill you.
You’re a kid.
You don’t have technical skills.
You shouldn’t build hardware.
Apple is going to kill you.
You can’t build hardware.
You can’t measure heart rate non-invasively.
Athletes don’t care about recovery.
Under Armour is going to kill you.
It won’t be accurate.
You don’t listen.
You’re an ineffective leader.
You can’t recruit great talent.
You’re going to have to pay every athlete.
You can’t measure sleep non-invasively.
It’s too expensive to research.
Athletes are a small market.
The product costs too much to make.
The product costs too much to sell.
Your valuation is too high.
Consumers aren’t going to want it.
Hardware is too hard.
You should measure steps.
Fitbit is going to kill you.
You can’t build a marketing engine.
You can’t raise enough money.
You need a real CEO.
Google is going to kill you.
You can’t be a subscription.
You can’t build a brand.
You can’t do consumer in Boston.
Your valuation is too high.
You shouldn’t make accessories.
You shouldn’t make apparel.
Lululemon is going to kill you.
You can’t predict Covid.
Stay in your niche.
You are going to run out of money.
You can’t build a health platform.
Amazon is going to kill you.
You can’t measure blood pressure.
You can’t get medical approvals.
The market is too small.
You don’t understand AI.
The market is too competitive.
It won’t work internationally.
The supply chain is too complicated.
You can’t build an AI.
You can’t raise enough money.
It’s too competitive.
Healthcare isn’t going to want it.
…

Just keep going ✌️

[Subham Khatri @subhamtwt]

I ducked up

[Subham Khatri @subhamtwt]

@CSKian716 The Perfect Project manager.

[shirish @shiri_shh]

you either build something… or regret it.