Hello, I'm

Asit Kumar

Backend Engineer | System Thinker

I design and build scalable backend architectures with clean code, secure APIs, and thoughtful system design.

Explore Architecture View Projects

API Gateway Express.js / REST

Service Layer Business Logic

Database MongoDB / MySQL

backend.js

Process

How I Engineer Systems

Every backend system I build follows a structured approach from requirements to deployment.

Requirement Breakdown

Analyzing business requirements, defining API contracts, and mapping data flows before writing any code.

Database Modeling

Designing normalized schemas, defining relationships, indexing strategies, and planning for data integrity.

Secure API Design

Implementing JWT authentication, role-based access control, input validation, and rate limiting.

Error Handling Strategy

Centralized error middleware, structured error responses, logging, and graceful failure recovery.

Performance Tuning

Query optimization, caching strategies, connection pooling, and efficient data serialization.

Deployment Strategy

CI/CD pipelines, environment configuration, monitoring setup, and production-ready deployments.

System Design

Architecture Overview

A visual representation of how I structure backend services.

Client Browser / Mobile

API Layer Express.js / REST

Auth Module JWT / RBAC

Service Layer Business Logic

Database MongoDB / MySQL

Cache In-Memory

Logger Winston / Logs

Live System Metrics Simulated

Requests / min

142

Avg Latency

23ms

Error Rate

0.3%

System Health

Operational

Career

Experience

Backend Developer Intern

Webapphealing Technology Pvt Ltd, Noida

Jan 2026 - Present

Handled backend development and integrated REST APIs using Node.js.
Debugged API issues and optimized backend logic.
Used Postman and Git for testing and collaboration.

Software Intern

Planetcast Media Services Limited, Noida

Sep 2025 - Dec 2025

Developed and maintained backend logic for internal software modules.
Resolved software defects through debugging.
Collaborated with cross-functional teams on system architecture.

Education

2022 - 2026 (Expected)

B.Tech in Computer Science & Engineering

Dr. A.P.J. Abdul Kalam Technical University

CGPA: 7.5/10

Toolbox

Skills & Technologies

Node.js

Express.js

REST APIs

MongoDB

MySQL

Java

Python

Git & GitHub

Linux CLI

Postman

Portfolio

Selected Work

Task & Project System

Ongoing

Secure, scalable backend-focused web app with JWT authentication, RBAC, and clean modular architecture.

Node.js Express MongoDB JWT

Smart Internship Recommender

Government-backed AI platform. Personalized ML algorithms, explainable AI, support for 13 Indian languages.

Python ML NLP Flask

GitHub

EchoSphere - Real-Time Chat

A real-time chat application with seamless cross-device communication and secure Google/GitHub OAuth.

React Node.js Socket.io MongoDB

Live Demo

Face Recognition System

Real-time biometric system built with OpenCV and dlib. Detects and matches faces from live webcam feeds.

Python OpenCV dlib

GitHub

Data Layer

Database Schema

A peek into how I model data for backend systems.

PK_idObjectId

nameString

UQemailString

passwordString (hashed)

roleEnum [admin, user]

createdAtDate

has many

PK_idObjectId

titleString

descriptionString

FKownerObjectId (Users)

statusEnum [active, archived]

createdAtDate

has many

PK_idObjectId

titleString

FKprojectObjectId (Projects)

FKassigneeObjectId (Users)

priorityEnum [low, medium, high]

statusEnum [todo, in_progress, done]

dueDateDate

Get in Touch

Let's Connect

Open to backend development or full stack development opportunities.