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Hariharan, software engineer
Hariharan · Software Engineer

Hariharan built this.

Explore my work
In production 1+Years shipping
On GitHub 100+Projects built
npm
HariharanSoftware engineer

“Build. Ship.
Learn. Repeat.”

The story behind the work

One engineer.
A whole system of possibilities.

From the first API call to the last line of code.
I build AI-powered products end to end.
01 / MY WORLD

Different layers.
Same curious mind.

I follow the problem.
Wherever it takes me.

MODELS THAT DO THINGS.

AI Systems.

AI-powered products like PlatePielet, plus LLM architectures, RAG pipelines, MCP servers and agents.

Enter this world
02 / THE WORK, IN NUMBERS

Curiosity. In motion.

A FEW MILESTONES ALONG THE WAY
01 /1+

Years shipping to production

02 /500+

CodeChef problems solved

03 /3+

Certifications

04 /100+

Projects on GitHub

05 /1

Package on npm

06 /8.3

CGPA, B.E. Computer & Communication

03 / THE EVOLUTION

Never just one thing.

An engineering journey.
Still being written.

01

Engineering

B.E. in Computer and Communication Engineering at Panimalar, Chennai. Learning how systems talk to each other.

02

Web Developer

Shipping MERN projects on GitHub: dashboards, chat apps and a donation platform. Learning by building.

03

Frontend Intern

Next.js and SaaS at Spectravach. The company website, built for SEO and performance.

04

Software Engineer

Real-time backends at Neptune Controls. OPC UA/DA, MQTT and camera integrations, live in production.

05

AI Builder

Built PlatePielet end to end, an AI restaurant-intelligence platform. Now RAG pipelines, MCP servers and agents.

THE CURRENT CHAPTER
CERTIFICATIONS

Learning, on the record.

Cloud and automation
credentials.

01

Microsoft Azure Fundamentals (AZ-900)

Microsoft. Cloud concepts, Azure services, security, governance and cost management.

02

TCS Cloud Computing

TCS. Cloud models, virtualization, deployment models and core cloud services.

03

Zoho Deluge Programming

Zoho. Deluge scripting, workflow automation and custom function development.

04 / SELECTED WORK

Made to mean something.

View all work
05 / BUILT FROM CURIOSITY

Beyond the job.
Into open source.

Small ideas. Real tools.
Built in the open.

OPEN SOURCEnpm
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THREE CLAIMS. ONE TIMELINE.
PUBLISHED ON NPM

jwt-timeline.

See a token's whole lifetime as a timeline. Verify signatures, simulate clock skew and get JSON for CI. Decoded locally, never uploaded.

Explore jwt-timeline
OPEN SOURCEPython
A familiar face. Attendance logged.
FACE IN. ATTENDANCE OUT.

FaceID API.

JWT login, face registration, check-in and check-out, and stream detection, in one Python API.

Explore FaceID API
06 / THE NEXT CHAPTER

Have an idea?
Let’s make it real.

A pipeline. An API. An agent. Something entirely new.

Let’s create something together