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Building in public

I build things, and write about what I learn.

I'm Suchir Janga — still figuring out the path, sure about the building. In-depth writing on software, AI, and system design, next to the projects it comes from.

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BTech CSE · GRIET Hyderabad · 2024–2028

Writing

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Writing

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DSA

Mastering the Two-Pointer Technique

The patterns behind two-pointer problems — converging, fast/slow, and same-direction — and how to recognize them under pressure.

Jul 15, 20262 min read
Work

Featured projects

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Forge — project cover

Forge

2026

A habit, recovery, and performance tracking platform that connects with fitness devices and health data to help users build consistency and optimize training.

Next.jsReactTypeScriptPrisma+1
Live ↗Details
Monolith — project cover

Monolith

2026

A cinematic 3D fitness experience exploring strength, discipline, and progression through immersive scroll-driven storytelling and interactive visuals.

Next.jsReact Three FiberGSAPLenis+1
Live ↗Details
Learning

Recent notes

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DSA

Sliding window patterns

Fixed vs dynamic windows, and the three tell-tale signs a problem wants one.

Jul 18, 2026
System Design

Consistent hashing in five minutes

Why naive modulo sharding falls over, and what the ring fixes.

Jul 12, 2026
AI

Temperature vs top-p, practically

What each knob actually changes about sampling, with practical defaults.

Jul 5, 2026
Backend

Postgres indexes: B-tree first

When the default index is right, and the cases that actually need GIN.

Jun 30, 2026
About

A little context

Hyderabad, IndiaGRIET · 2024–2028

I'm a B.Tech student at GRIET, Hyderabad (2024–2028). I haven't locked in a career direction yet, and I'm fine with that — what's stayed constant is that I like to build. Not for a specific payoff or because I've picked a lane, but because making something and watching it work is the part I actually enjoy. So I build things — sometimes useful, sometimes just for myself.

Next.jsReactTypeScriptTailwind CSSPrismaReact Three Fiber
Contact

Have something quiet and considered in mind?

Open to selective freelance and full-time work. The fastest way to reach me is email.

Get in touchsuchirjanga.dev@gmail.com