< Backend Developer />

Scalable Backend & Full-Stack Applications

Backend-focused developer building scalable systems with Node.js, NestJS, and TypeScript, with frontend experience in React and Next.js.

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< About Me />

Backend-focused.
Full-stack capable.

I’m a backend-focused developer experienced in building scalable APIs, database-driven systems, caching, background jobs, real-time features, and third-party integrations using Node.js, NestJS, and TypeScript. I also work with React and Next.js to build end-to-end applications, while actively strengthening my DevOps and cloud skills through hands-on deployment and production workflows.

At a glance

1+

Professional development experience

Backend

Primary engineering specialization

DevOps

Growing production & cloud capability

Currently strengthening DevOps, cloud, system design, and production engineering skills.

< About Me />

Backend-focused.
Full-stack capable.

Backend-focused developer with full-stack experience in React and Next.js, currently expanding into DevOps and cloud engineering.

1+

Professional development experience

Backend

Primary engineering specialization

Currently strengthening DevOps, cloud, system design, and production engineering skills.

< Backend Capabilities />

What I Build

Backend engineering is my primary focus, supported by full-stack and production deployment experience.

I work across APIs, databases, caching, asynchronous processing, real-time systems, integrations, and deployment to build maintainable production applications.

Engineering approach

Clean & maintainable architecture
Performance and scalability focused
Production ownership

Featured capability

API Development

Designing structured, scalable REST APIs with validation, pagination, filtering, authorization, and maintainable service architecture.

REST APIs with NestJS & Node.js

DTO / Zod validation

Swagger / OpenAPI documentation

< Backend Capabilities />

What I Build

Backend engineering is my primary focus, supported by full-stack and production deployment experience.

Designing structured, scalable REST APIs with validation, pagination, filtering, authorization, and maintainable service architecture.

REST APIs with NestJS & Node.js

DTO / Zod validation

Swagger / OpenAPI documentation

Building secure authentication and authorization flows with role and permission-based access control.

JWT access & refresh tokens

Role-based access control

Permission-based authorization

Designing application data models and efficient database workflows for relational and document-based systems.

PostgreSQL & MongoDB

Prisma ORM

Query optimization

Improving performance and reliability using caching, queues, scheduled tasks, and asynchronous processing.

Redis caching

BullMQ job queues

Cache invalidation strategies

Building event-driven features that deliver real-time communication, notifications, and live application updates.

WebSocket / Socket.io

Real-time chat

Event-driven communication

Connecting external services while keeping backend modules clean, reusable, and easier to extend.

Third-party API integrations

Webhooks

Email & notification services

Deploying and operating backend applications while expanding into modern DevOps and cloud practices.

Nginx reverse proxy

PM2 process management

Docker & deployment workflows

< Experience />

Professional Journey

Backend-focused developer with experience building APIs, database-driven systems, real-time features, background processing, and production applications. I also contribute to frontend development when needed and continue expanding my DevOps and cloud skills.

1+

Year experience

2

Professional Domain

6+

Production Projects

Current focus

Backend Engineering
System Design
DevOps & Cloud
AI Integration

01

Backend-focused Full Stack Developer building production applications using Node.js, NestJS, TypeScript, PostgreSQL, MongoDB, Redis, and modern frontend technologies when required.

Built scalable REST APIs, authentication, RBAC, WebSockets, webhooks, and third-party integrations.
Designed database schemas and optimized queries using PostgreSQL, MongoDB, and Prisma.
Implemented Redis caching, BullMQ background jobs, cron workflows, and real-time notification systems.
Worked with Linux, Nginx, PM2, and production deployment workflows.

Node.jsNestJSTypeScriptPrismaMongoDBPostgreSQLRedisReact.jsNext.jsBullMQ

02

Worked on backend API development and CMS-based web applications using Node.js, Express.js, and Strapi.

Developed and maintained REST APIs and improved application performance through query optimization, caching, and pagination.
Managed content across multiple websites using Strapi CMS with authentication and error handling.

Node.jsExpress.jsJavaScriptMongoDBStrapiREST APIs

< Experience />

Professional Journey

Backend-focused developer with full-stack experience, currently growing deeper in DevOps and cloud.

01

KGN INFOTECH LLP

Backend Developer

Current

Jul 2024 — PresentIndiaFull-time

Backend-focused Full Stack Developer building production applications using Node.js, NestJS, TypeScript, PostgreSQL, MongoDB, Redis, and modern frontend technologies when required.

Built scalable REST APIs, authentication, RBAC, WebSockets, webhooks, and third-party integrations.
Designed database schemas and optimized queries using PostgreSQL, MongoDB, and Prisma.

Node.jsNestJSTypeScriptPrisma

02

X-Strategy Services LLP

Software Developer

Feb 2024 — Jun 2024NoidaInternship

Worked on backend API development and CMS-based web applications using Node.js, Express.js, and Strapi.

Developed and maintained REST APIs and improved application performance through query optimization, caching, and pagination.
Managed content across multiple websites using Strapi CMS with authentication and error handling.

Node.jsExpress.jsJavaScriptMongoDB

< Projects />

Projects in production.

Real products where I worked on APIs, data flows, background processing and production delivery.

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EdTech Platform

EduSphere

Backend Developer

NestJSTypeScriptPrismaMongoDBRedisBullMQ

A learning platform supporting classes, assignments, quizzes, recurring schedules and teacher workflows.

CMS & Corporate Website

< Projects />

Projects in production.

01 / 04

A selection of products built across education, CMS, real estate and publishing.

EdTech Platform

EduSphere

Backend Developer

NestJSTypeScriptPrisma+3

A learning platform supporting classes, assignments, quizzes, recurring schedules and teacher workflows.

View all projects

< Technical Skills />

Tools & Technologies

A backend-focused technology stack covering APIs, databases, caching, real-time systems, and production deployments, complemented by frontend development and growing DevOps expertise.

Backend

Backend Development

Scalable server-side applications and maintainable APIs.

7 tools

Node.js

NestJS

Express.js

TypeScript

JavaScript

REST APIs

ZOD

< Education />

Academic foundation.

Formal education that developed my programming fundamentals, technical thinking and approach to software engineering.

LearnBuildImprove

01

Master of Computer Applications

Postgraduate

GD Goenka University

Software engineering, backend systems and databases.

2022-2024Gurugram, Haryana, India

02

Bachelor of Science

Undergraduate

FM University

Physical Sciences, Mathematics & Computing Fundamentals.

2018-2022Odisha, India

03

Higher Secondary Education

Higher Secondary

FM University

Mathematics, Science, Analytical Thinking & Problem-Solving.

2016-2018Odisha

< Education />

Academic foundation.

Education that shaped my programming and software development fundamentals.

Postgraduate

Master of Computer Applications

GD Goenka University

2022-2024

Undergraduate

Bachelor of Science

FM University

2018-2022

Higher Secondary

Higher Secondary Education

FM University

2016-2018

< Contact />

Let's build something reliable.

Have a backend role, project or technical challenge in mind? Let's connect through whichever channel works best for you.

Open to backend opportunities

Email

GitHub

View my work

github.com/biswojitbiswal

View profile

Usually replies within 24–48 hours

Open to conversations • Opportunities • Collaboration

Scalable Backend & Full-Stack Applications

Backend-focused.
Full-stack capable.

Backend-focused.
Full-stack capable.

What I Build

API Development

Auth & Security

Database Design

Caching & Jobs

Real-Time Systems

Integrations

DevOps & Production

What I Build

Professional Journey

KGN INFOTECH LLP

X-Strategy Services LLP

Professional Journey

KGN INFOTECH LLP

X-Strategy Services LLP

Projects in production.

EduSphere

Blink Brand Solutions

Dalala

Studynest

Projects in production.

EduSphere

Tools & Technologies

Backend Development

Academic foundation.

Master of Computer Applications

Bachelor of Science

Higher Secondary Education

Academic foundation.

Master of Computer Applications

Bachelor of Science

Higher Secondary Education

Let's build something reliable.

Send an email

Let's connect

Start a chat

View my work

Scalable Backend & Full-Stack Applications

Backend-focused.Full-stack capable.

Backend-focused.Full-stack capable.

What I Build

API Development

Auth & Security

Database Design

Caching & Jobs

Real-Time Systems

Integrations

DevOps & Production

Professional Journey

KGN INFOTECH LLP

X-Strategy Services LLP

Professional Journey

KGN INFOTECH LLP

X-Strategy Services LLP

Projects in production.

EduSphere

Blink Brand Solutions

Dalala

Studynest

Projects in production.

EduSphere

Tools & Technologies

Backend Development

Academic foundation.

Master of Computer Applications

Bachelor of Science

Higher Secondary Education

Academic foundation.

Master of Computer Applications

Bachelor of Science

Higher Secondary Education

Let's build something reliable.

Send an email

Let's connect

Start a chat

View my work

Backend-focused.
Full-stack capable.

Backend-focused.
Full-stack capable.