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aadi.

Software Engineer — Full-Stack & Systems — India

AdityaRajbhar — Software Engineer, full-stack & systems developer from India

I build software that holds up under load — considered interfaces, honest APIs, and systems that scale without drama.

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01

About

Engineer, whole-stack — India

Good software is mostly good decisions — about data, about boundaries, and about what to leave out.

I’m a software engineer from India who likes working the whole depth of the stack — from the pixels people touch down to the queues, workers and databases behind them.

Most recently I spent two years building the web platform for Landmark Aquatec’s water-treatment products: real-time dashboards over live plant telemetry, backed by FastAPI services on Google Cloud with Firestore. Alongside that I build in the open — Upzy, an uptime-monitoring platform, and Keel, a SaaS starter kit with auth, org management and a validated environment baked in.

I care about the decisions that don’t show up in a screenshot: where the boundaries are, what the data model actually says, what to leave out, and whether the next person can read it six months from now.

Based in
India
Recent role
Software Developer @ Landmark Aquatec
Building
Uptime monitoring · SaaS tooling · IoT dashboards
Reaching for
TypeScript · Go · Python · Postgres · GCP
02

Skills & Tooling

What I reach for, grouped by where it lives

Languages

  • TypeScript
  • JavaScript
  • Python
  • Go
  • Java

Frontend

  • React
  • Next.js
  • Tailwind CSS
  • shadcn/ui
  • Ant Design
  • React Query

Backend

  • Node.js
  • NestJS
  • ElysiaJS
  • FastAPI
  • Express
  • Spring Boot
  • GraphQL

Data

  • PostgreSQL
  • Firestore
  • MongoDB
  • Redis
  • Prisma
  • Drizzle
  • Kafka

Cloud & Infra

  • Google Cloud
  • AWS
  • Docker
  • Turborepo
  • Bun
  • Vercel
  • Netlify

AI

  • OpenAI API
  • Google Gemini
  • RAG pipelines
03

Selected Projects

Four I would happily walk you through, line by line

PlatformUpzy↗ github
Open

Platform · 2026

Upzy

Uptime monitoring that goes further

A monitoring platform in the spirit of BetterStack — fast uptime checks, smart incident alerts and status pages — built as a Turborepo monorepo with a microservices-first architecture so the parts that do the work can scale on their own.

  • Next.js dashboard and NestJS services in one Turborepo
  • PostgreSQL via Drizzle, sessions handled by Better Auth
  • Check workers designed to scale independently of the API
  • Next.js
  • NestJS
  • TypeScript
  • PostgreSQL
  • Drizzle
  • Turborepo
Source
InfrastructureKeel↗ github
Open

Infrastructure · 2026

Keel

The backbone every SaaS ends up rebuilding

An opinionated Bun + Turborepo monorepo that wires up the boring-but-critical parts once — a typed API, auth with organisations and admin, transactional email, a shared component kit and a validated environment — so a real product can start on day one.

  • ElysiaJS API on Bun, Next.js App Router web app
  • Prisma 8 data layer, Better Auth with org + admin plugins
  • React Email via Resend, zod-validated env, oxlint / oxfmt
  • Bun
  • Turborepo
  • Next.js
  • ElysiaJS
  • Prisma
  • Better Auth
Source
BackendFeedoku↗ github
Open

Backend · 2025

Feedoku

A backend built to prove a point

An open-source RSS aggregator written to push on high-performance backend work in Go — feed collection, caching and search over a scalable, message-driven pipeline, with a Next.js reader on top.

  • RESTful API in Go, PostgreSQL for storage, Redis for caching
  • Kafka pipeline for feed collection and processing
  • Full-text search across every subscribed feed
  • Go
  • Next.js
  • PostgreSQL
  • Redis
  • Kafka
Source
Vitube — A video platform, end to end
Open

Product · 2024

Vitube

A video platform, end to end

A full video streaming and sharing product on the MERN stack — upload, playback and sharing, with Cloudinary handling media storage and delivery and Nodemailer driving the auth and notification email.

  • Video upload, storage and streaming through Cloudinary
  • Authentication and email flows via Nodemailer
  • React + Vite front end over a Node / Express API
  • React
  • Node.js
  • Express
  • MongoDB
  • Cloudinary
Live demoSource

Also shipped

Everything else is on GitHub
04

Experience

What I ship at work, and what I ship on my own

  1. Software Developer — Landmark Aquatec

    May 2024 — Sep 2026

    Mumbai, India

    Building the web platform behind the company’s water- and sewage-treatment products — real-time dashboards for plant telemetry (sensors, pumps, valves), status and service reporting, and role-based site and customer administration. FastAPI services on Google Cloud with Firestore, a React / Next.js front end.

    • Next.js
    • React
    • TypeScript
    • FastAPI
    • Python
    • Google Cloud
    • Firestore
05

Quick answers

The questions people usually open with

What does Aditya Rajbhar do?
Aditya is a software engineer from India. He builds full-stack web applications and backend systems — including the web platform for Landmark Aquatec’s water-treatment products, and open-source work like Upzy and Keel.
What is his technical stack?
Day to day: TypeScript with React and Next.js on the front end; Node.js, NestJS, FastAPI and Go on the back end; PostgreSQL, Firestore, Redis and Prisma/Drizzle for data; Docker, Turborepo and Google Cloud for infrastructure.
Is he open to new opportunities?
Yes — Aditya is open to roles and projects involving full-stack product work, distributed systems, or AI-assisted tooling.
How do you get in touch?
The fastest way is a direct message on X (@codebyaadi). He’s also on GitHub and LinkedIn as codebyaadi.

06 — Contact

Have an idea worth building?

I’m always up for a good problem — a product to build, a system to untangle, or a role worth moving for. A direct message on X with a real question is the fastest way in. Cold sales pitches get ignored.

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