11 Years in Tech | Backend | System Design | AI Building https://xitter.cf/t.co/YyyZZNpQyL DM For Collab & work📩
Joined February 2026
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Tech Lead says:
Never use boolean flags in your database.
Junior dev: But isActive, isDeleted, isPaid is so simple.
Tech Lead: What happens when business logic needs a third state?
Junior dev: 😶
Do you know what the Tech Lead meant? 🤔
Vikash Singh Tomar retweeted
Your environment variables are encrypted.
Your deployment platform gets compromised.
Some secrets may still be exposed.
Railway's latest security incident is a reminder:
Encryption matters. But credential security doesn't end there.
If you use Railway, rotate your secrets and review your API usage.
Don't wait for an unexpected bill to find out your key was exposed.
Official source: blog.railway.com/p/security-…
Vikash Singh Tomar retweeted
You build a food ordering app.
Friday 8 PM: dinner rush.
100,000 users open the app at the same time.
Every user hits the "Restaurants near me" API.
Same query. Same area. Same results.
100,000 times.
Database is sweating.
Restaurants list changes once every few hours.
How do you handle this load without upgrading the database? 🤔
You build a food ordering app.
Friday 8 PM: dinner rush.
100,000 users open the app at the same time.
Every user hits the "Restaurants near me" API.
Same query. Same area. Same results.
100,000 times.
Database is sweating.
Restaurants list changes once every few hours.
How do you handle this load without upgrading the database? 🤔
Vikash Singh Tomar retweeted
Database Interview Question:
Your database replication lag suddenly jumps to 30 seconds, but the primary database is healthy.
What could cause this, and how would you troubleshoot it without taking the system offline?
Database Interview Question:
Your database replication lag suddenly jumps to 30 seconds, but the primary database is healthy.
What could cause this, and how would you troubleshoot it without taking the system offline?
Vikash Singh Tomar retweeted
Your AI agent has access to your terminal, your files, your API keys and your production logs.
but sure, let's worry about whether ChatGPT is stealing our jobs😂
Vikash Singh Tomar retweeted
Genuine question:
If your application uses JWT authentication, how do you invalidate a token immediately after logout without maintaining a server-side blacklist or session store?
Is truly stateless authentication really practical in production?
Vikash Singh Tomar retweeted
Your .env file is only as safe as the systems that can access it.
Recent security incidents keep highlighting the same problem:
Credentials stored in the wrong place can turn a small weakness into a much bigger incident.
API keys. Database passwords. Access tokens.
One exposed secret can be enough.
Don't just secure your code.
Secure the secrets around it. 🔐
That's what SecureIntent is built to help with.
Vikash Singh Tomar retweeted
Every brand wants attention. Every creator wants growth.
But the real challenge? Making marketing feel human instead of just another pitch.
Curious to see what ReleaseStack is building 👀
Vikash Singh Tomar retweeted
We're building our Desktop App. 🖥️
And we need beta testers.
Clipboard. Terminal. Local environment.
All protected. All on-device. Zero retention.
What you get:
✔️ Be among the first to test it
✔️ Shape what we build
✔️ Lifetime Pro License - FREE
💰 Cash bounty rewards for valuable bug finds
Interested?
Join our Discord 👇
Link in comment section
Vikash Singh Tomar retweeted
Tech Lead says: Your PR has 47 files changed.
Junior dev: But it's just one feature.
Tech Lead: That's not one feature.
That's one disaster waiting to happen.
Junior dev: 😶
Do you know what he meant? 🤔
Tech Lead says: Your PR has 47 files changed.
Junior dev: But it's just one feature.
Tech Lead: That's not one feature.
That's one disaster waiting to happen.
Junior dev: 😶
Do you know what he meant? 🤔
Vikash Singh Tomar retweeted
System Design Interview:
You build a chat application.
10 million users online simultaneously.
User A sends a message to User B.
Both connected to different servers.
Server 1 has User A.
Server 2 has User B.
How does the message get from Server 1 to Server 2 in real time? 🤔
System Design Interview:
You build a chat application.
10 million users online simultaneously.
User A sends a message to User B.
Both connected to different servers.
Server 1 has User A.
Server 2 has User B.
How does the message get from Server 1 to Server 2 in real time? 🤔