Full-stack developer · Kolkata, India

I build software
that feels finished.

Dependable backend systems, thoughtful interfaces, and the details that turn an idea into a product people can actually use.

Atin Roy
Open to opportunitiesSoftware engineering roles
Currently building withJava + Next.js

Selected work

Products, not just
repositories.

End-to-end projects designed around real workflows, clear architecture, and practical engineering decisions.

Orderly homepage showing restaurant search and live stats
01

Food delivery platform

Orderly

A production-deployed marketplace with four role-specific workflows for customers, restaurant owners, delivery partners, and admins.

Engineering scope45+ REST endpoints, role-based security, live order timelines, coupons, uploads, and containerized deployment.

  • Next.js
  • Spring Boot
  • PostgreSQL
  • Docker
Ledgerly homepage showing a ledger-style transaction table
02

Personal finance

Ledgerly

A full-stack finance workspace for tracking transactions, budgets, savings goals, recurring bills, and spending patterns.

Engineering scopeSecure JWT authentication, refresh-token rotation, layered backend architecture, and responsive financial dashboards.

  • Java
  • Spring Security
  • Next.js
  • PostgreSQL
<L/>Dashboard
Solved147+12 this month
Current streak18 daysKeep it going
12 weeks agoToday
03

Interview practice

Leetly

A progress and analytics platform that turns algorithm practice into a visible, repeatable learning system.

Engineering scopeProblem and attempt tracking, notes, curated lists, solve history, streaks, difficulty trends, and mistake analytics.

  • TypeScript
  • Spring Boot
  • PostgreSQL
  • Turborepo

A little about me

Curious by default.
Intentional by practice.

I'm Atin, a full-stack developer who enjoys making complex systems feel simple.

My strongest work sits where backend depth meets product thinking: modelling real domains, designing secure APIs, and carrying that care through to a responsive interface.

I learn by building. Each project is a chance to go deeper into architecture, performance, testing, deployment, and the small UX decisions that earn a user's trust.

01Own the full problemFrom schema to screen
02Make decisions visibleClear code and documentation
03Finish the last 10%Polish, verify, deploy

Technical toolkit

What I work with.

Tools I use to move from a blank repository to a working product.

01

Backend

Java · Spring Boot · Spring Security · JPA / Hibernate · REST APIs

02

Frontend

TypeScript · React · Next.js · HTML / CSS · Responsive UI

03

Data & delivery

PostgreSQL · SQLite · Docker · GitHub Actions · Linux

04

Engineering

Git · Maven · Gradle · pnpm · API testing · System design

Let's build something useful

Have a role or project
that feels like a fit?

me@atinroy.com
Kolkata, India · Open to opportunities