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Hi, I'm Debanjan DasBackend Engineer & DevOps Enthusiast

I build scalable APIs, authentication systems, and backend-focused applications using

Node.js

,

Express.js

, and

TypeScript

. Exploring **DevOps**, **Linux**, **Docker**, **CI/CD**, and modern **AI workflows**.

Featured

Experience

Independent Projects

Independent Projects

Working

Backend Engineer (Self-directed)

Jan 2024 - Present

Kolkata, India

Technologies

• Building OmniPost — an open-source AI-powered social media management platform with LinkedIn OAuth, content repurposing, and a modern dashboard.

• Building Uniauth — a unified JWT & OAuth authentication library for Node.js backends.

• Developed PixForge, an image upload and transformation API with MinIO/S3 support and Docker deployment.

• Built Stranger — anonymous real-time chat using Socket.IO for random user matching.

• Created system-log-script, a Bash/Node.js utility for capturing system health metrics on Linux.

Node.js Course — Hitesh Choudhary & Piyush Garg

Node.js Course — Hitesh Choudhary & Piyush Garg

Course Completion

Aug 2024 - Oct 2024

Online (Udemy)

Technologies

• Completed a comprehensive Node.js backend course covering Express, REST APIs, JWT auth, and database integration.

• Gained practical experience building production-ready server-side applications.

• Applied learnings directly to personal projects including Uniauth and PixForge.

Featured

Projects

OmniPost
Open Source

An open-source AI-powered social media management platform. Features AI content repurposing, LinkedIn OAuth integration via UniAuth, a rich post composer with multi-platform previews, connected accounts management, and a modern dashboard — built on Next.js 16, Clerk authentication, Prisma ORM, and PostgreSQL.

Technologies

Uniauth

A unified authentication library providing JWT and OAuth flows out of the box. Designed to be framework-agnostic and plug into any Node.js backend with minimal configuration.

Technologies

PixForge

A full-stack image upload and transformation service supporting S3-compatible storage (MinIO & Amazon S3). Features image compression, resizing, and secure upload via REST API.

Technologies

Stranger

An anonymous real-time chat application built with Socket.IO. Users are matched randomly and can chat without revealing their identity — Omegle-style but with a cleaner backend architecture.

Technologies

About

Me

About

Debanjan Das

I'm a backend-focused developer from Kolkata, India. I completed my 12th grade and am planning to pursue a diploma while continuing to build systems and tools I care about. I specialize in building scalable REST APIs, authentication systems (JWT, OAuth), and real-time applications. I'm gradually exploring DevOps — learning Linux, Docker, GitHub Actions, and CI/CD pipelines. Curious about cloud infrastructure and agentic AI workflows, I enjoy understanding how systems work at scale.

Skills

GitHub Activity

Debanjan2007's coding journey over the past year

Fetching GitHub activity data

Featured

Blogs

Building PixForge: A Self-Hosted Image Upload & Transformation API

Building PixForge: A Self-Hosted Image Upload & Transformation API

How I built a full-stack image upload service with MinIO, Amazon S3, Docker, and Express.js — and what I learned about object storage along the way.

backendnodejsdocker+2 more
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Sending Emails in Node.js with Nodemailer and SMTP

Sending Emails in Node.js with Nodemailer and SMTP

A practical guide to setting up transactional email in Node.js using Nodemailer, Gmail SMTP, and environment-based configuration — no third-party email service required.

backendnodejsemail+2 more
Read More

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