Dev Sidhar

Web Developer | AI Tools Builder
Turning ideas into products. One line of code at a time. 🚀

[Dev Sidhar @sidhar_dev]

Stop relying on WHERE filters to keep your multi-tenant data safe. If a dev misses one, you have a leak. Use PostgreSQL Row Level Security (RLS) to enforce data boundaries at the DB layer. It is the ultimate safety net for SaaS. #PostgreSQL #SaaS #Backend https://t.co/whTTEN241R

[Dev Sidhar @sidhar_dev]

Your customers won’t download your app.
They’ll tell you their phone number.
That’s the whole loyalty program.
One tap per visit. Free gift every 5th 🎁. Card on WhatsApp.

Free for any shop → https://t.co/7d5dGZfvNF

[Dev Sidhar @sidhar_dev]

Paper stamp cards get lost. Loyalty apps never get downloaded.

So we built the simplest one possible:
Customer says their phone number → you tap “Add visit” → done.
Every 5th visit = a free gift 🎁
Card arrives on WhatsApp. No app, no QR. Free.

https://t.co/7d5dGZfvNF

[Dev Sidhar @sidhar_dev]

AI can write your boilerplate, but it can't handle your system architecture. Stop treating LLMs like senior engineers and start treating them like high-velocity interns that require constant review. Your value is in the trade-offs, not the syntax. 🚀https://t.co/9wDSO5Is0i

[Dev Sidhar @sidhar_dev]

@spacedevin https://t.co/7d5dGZfvNF

[Dev Sidhar @sidhar_dev]

AI coding agents aren't replacing software engineers; they're changing the definition of the job. Stop worrying about who writes the code and start focusing on who designs the systems. The human edge is in judgment, architecture, and reliability. 🚀 https://t.co/l7Y3uB702I

[Dev Sidhar @sidhar_dev]

Starbucks has a loyalty app.
Your favourite local café has a barista who remembers your order.
Guess which one is losing customers to the new café down the street.

So we built a fix. And deleted most of it. 🧵

https://t.co/7d5dGZfvNF

[Dev Sidhar @sidhar_dev]

@TEJAS_DEV_code This is exactly why transactions matter. 🔥 One error shouldn’t leave your database in an inconsistent state. Great demonstration of atomicity with Prisma and PostgreSQL!

[Dev Sidhar @sidhar_dev]

Stop throwing indexes at your database and hoping for the best. Poor indexing doesn't just bloat storage—it kills write performance. Use EXPLAIN ANALYZE, focus on composite index order, and watch your query latency drop. 🚀 #PostgreSQL #Backend https://t.co/9nxL2CcS1p

[Dev Sidhar @sidhar_dev]

Synchronous webhooks will eventually exhaust your API connections.

We built a reliable dispatcher using BullMQ + Redis: HMAC-SHA256 payload signing, exponential backoff, and delivery logs in Postgres for easy manual replays 🚀

https://t.co/Xc6LKhsRIg

[Dev Sidhar @sidhar_dev]

Some developers have 5 years of experience.

Others have 1 year of experience repeated 5 times.

The difference is whether you actually built, broke, debugged, and learned from things.

[Dev Sidhar @sidhar_dev]

@motyar Mind-blowing fact @motyar

[Dev Sidhar @sidhar_dev]

Everyone is obsessed with prompt engineering, but the real bottleneck for AI Agents is system architecture.

Building a UI wrapper is easy. Handling state management, concurrent tasks, and database optimization for autonomous agents? That’s where the real engineering happens.

[Dev Sidhar @sidhar_dev]

@motyar I wanna try this!

[Dev Sidhar @sidhar_dev]

Consistency > Intensity. Shipping small wins every day beats waiting for one giant miracle every year. Build, break, learn, repeat

[Dev Sidhar @sidhar_dev]

If you had to restart your coding journey today, which skill would you learn first and why? 👨‍💻💡

[Dev Sidhar @sidhar_dev]

🚀 NestJS – 50% done!
From modules & providers to controllers & DI — things are finally clicking.
Still learning, still breaking things, still improving.
Backend journey in progress 🔥
#NestJS #BackendDev #LearningInPublic #100DaysOfCode

[Dev Sidhar @sidhar_dev]

Real talk:
Is coding 30% logic and 70% “why is this not working”?

[Dev Sidhar @sidhar_dev]

Learning NestJS now.
Not just another framework —
it enforces structure, scalability, and engineering discipline.
This is how serious backends are built.

[Dev Sidhar @sidhar_dev]

Coding isn’t just about writing code —
it’s about thinking clearly, solving problems, and improving 1% every day.
Build. Break. Fix. Repeat. 🚀💻