Swarup Das Portfolio
Available for Full-Time Opportunities

Software Engineer
Building
Products & AI-Powered Applications

Computer Science Fresh Graduate and Backend Developer Intern with hands-on experience building scalable REST APIs, real-time applications, and AI-powered products using Node.js, Express.js, MongoDB, React, and Next.js.

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Swarup Das

Swarup Das

Backend Developer CS Undergraduate

Backend Development

Node.js, Express.js, MongoDB, REST APIs

Full Stack Development

React.js, Next.js, TypeScript

Asansol, INAvailable for Hire
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About Me

I build modern web applications

that solve real-world problems.

I'm a Software Developer with experience in MERN Stack and Next.js Development. I've built real-time collaboration platforms, AI-powered applications, and scalable backend systems using Node.js, Express.js, MongoDB, React, and TypeScript. I'm passionate about turning ideas into impactful digital products while continuously improving my engineering and problem-solving skills.

My experience includes building REST APIs, real-time collaborative applications, and AI-powered platforms using modern technologies such as Node.js, Express.js, MongoDB, React, and Next.js. I enjoy solving complex problems, writing clean and maintainable code, and continuously learning new technologies to create impactful software solutions.

Swarup Das
Open to Software Engineering Opportunities
Academic Foundation

2022 — 2026

B.Tech in Computer Science & Engineering

Jalpaiguri Government Engineering College

CGPA: 7.64 / 10 · Focused on Software Engineering, Full-Stack Development, Backend Systems, and Data Structures & Algorithms.

MERN StackNext.jsBackend DevelopmentDSA

2020 — 2021

Higher Secondary Education (Science)

Belrui N.G. Institution

77.8% (389/500) · Specialized in Physics, Chemistry, and Mathematics (PCM).

PhysicsChemistryMathematics

2018 — 2019

Secondary Education

Belrui N.G. Institution

80.4% (563/700) · Completed General Curriculum including Mathematics, Physical Science, Life Science, History, and Geography.

MathematicsPhysical ScienceLife Science

Core Specializations

The pillars of my technical expertise and creative approach to problem-solving.

Full-Stack Dev

Building modern web applications using React, Next.js, Node.js, and scalable backend services.

Backend Engineering

Designing APIs, databases, authentication systems, and robust server architectures.

Artificial Intelligence

Developing AI-powered applications using LLMs, voice interfaces, and intelligent automation.

Problem Solving

Applying strong DSA and CS fundamentals to solve complex engineering challenges.

The Problem-Solving Mindset

My approach is defined by a commitment to quality, a hunger for learning, and a vision for real-world impact.

Build with Purpose

I don't just write code — I build software that delivers real, measurable value to users and businesses. Every line I write has intent behind it.

Learn Continuously

The tech landscape evolves fast. I dedicate consistent time to exploring new technologies, frameworks, and the latest AI advancements to stay sharp.

Think at Scale

I design systems with reliability, maintainability, and performance in mind from day one — because good architecture is cheaper than refactoring.

InternshipGraphura India
ResearchISI Kolkata
LeetCode450+ Solved
LC Rating1700+
WBJEE RankAIR 1905
PassionAI & Full-Stack

Looking Forward

“I'm actively seeking opportunities where I can contribute to innovative products, collaborate with talented teams, and continue growing as a Software Engineer while exploring the intersection of AI and scalable software systems.”

Interested in collaborating or hiring?

Professional Journey

Experience & Impact

A chronological look at my professional evolution — from academic research to building production-ready applications in the tech industry.

Backend Developer Intern

Featured
Graphura India Private Limited
2024 · InternshipIndia (Remote)
  • Built and maintained production-ready REST APIs using Node.js and Express, handling core business logic and data operations.
  • Optimized MongoDB schemas and queries to improve database performance and reduce latency across key endpoints.
  • Implemented secure authentication and authorization systems including JWT-based session management.
  • Collaborated closely with frontend teams to integrate APIs into production applications, ensuring consistent data contracts.
Node.jsExpressMongoDBREST APIJWTJavaScript

Summer Research Intern — Quantum Computing

Research
Indian Statistical Institute (ISI), Kolkata
Summer ProgramKolkata, India
  • Completed an intensive summer research program focused on the fundamentals of Quantum Computing and quantum algorithms.
  • Explored quantum circuit design, superposition, and entanglement through hands-on problem-solving and guided research.
  • Studied the intersection of quantum theory and classical computer science with focus on algorithmic complexity.
Quantum ComputingResearchAlgorithmsMathematics

Personal Projects

Projects
Independent Development
2023 — PresentRemote
  • Built INTERVO, an AI-powered mock interview platform using Next.js, TypeScript, Vapi AI, and Groq LLM for real-time voice-based interview simulations.
  • Developed STUDYBUDDY, a real-time collaborative workspace featuring shared channels, live chat, and multi-user document editing with Socket.IO and Yjs.
  • Created NEWSDESK, an AI-powered news aggregation platform with article categorization, full-text search, and AI-generated summaries.
  • Designed and deployed multiple full-stack applications, gaining hands-on experience with React, Next.js, Node.js, Express.js, MongoDB, Firebase, and REST APIs.
Next.jsReactNode.jsMongoDBTypeScript

Looking for my full background?

Download my comprehensive resume for a detailed view of my projects, experience, and technical proficiency.

Skillset & Expertise

The Toolbox of a Modern Engineer

A comprehensive breakdown of my technical proficiencies, spanning full-stack development, AI research, and scalable infrastructure.

Programming

Core languages for logic and systems.

TypeScript / JavaScriptCore
88%
C++
82%
SQLCore
80%

Frontend

Building immersive user interfaces.

React / Next.jsCore
90%
Tailwind CSSCore
88%
Redux Toolkit
78%
TypeScriptCore
85%

Backend

Scalable APIs and server-side systems.

Node.js / ExpressCore
85%
MongoDB / MongooseCore
80%
REST APIs + JWT
88%
Firebase
72%

AI & ML

LLMs, voice interfaces, and automation.

Groq LLMCore
82%
Vapi AICore
78%
Prompt Engineering
85%
AI App Development
80%

Tools

Productivity and developer workflow.

Git / GitHubCore
92%
Docker (Basics)
65%
PostmanCore
88%
Vercel
85%

CS Fundamentals

The bedrock of software engineering.

DSACore
85%
OOPCore
88%
DBMS
80%
OS / Networks
75%
Currently Leveling Up

Next-Gen Technologies

Passionate about building impactful software products with MERN Stack, Next.js, and AI technologies while strengthening problem-solving skills through competitive programming.

Next.jsTypeScriptDockerRedis CachingAI Agent Workflows

Interested in seeing these skills in action?

Engineering Excellence

Featured Projects

A curated selection of my work spanning Artificial Intelligence, full-stack systems, and developer productivity tools. Each project represents a unique challenge solved with precision.

AI & ML

INTERVO – AI Powered Mock Interview Platform

Real-time AI interview simulator with voice interaction, adaptive follow-up questions, and instant performance feedback powered by Groq LLM and Vapi AI.

Next.jsTypeScriptGroq LLMVapi AIMongoDBTailwind CSS
Web Apps

StudyBuddy – Real-Time Collaborative Workspace

Collaborative study platform with live document editing, real-time cursors, shared whiteboards, and AI-assisted note summarization for students and teams.

React.jsNode.jsSocket.ioMongoDBExpress.jsRedux Toolkit
AI & ML

NewsDesk – AI Powered News Aggregator

Intelligent news aggregation platform that clusters articles by topic, generates AI-powered summaries, and delivers a personalised feed with sentiment analysis.

Next.jsTypeScriptGroq LLMREST APIsTailwind CSSFirebase
Blockchain

SupplyChain – Blockchain-Based Supply Chain Tracking

Developed a multi-role supply chain management platform for tracking wooden furniture products across suppliers, manufacturers, distributors, retailers, and customers. Built responsive React dashboards, authentication workflows, and blockchain-integrated product verification using QR codes.

React.jsNode.jsMongoDBAuthenticationEthereumMetaMaskBlockchain
Backend API

Job Tracker API

Production-grade REST API for job application tracking with JWT authentication, application lifecycle management, Redis caching, and automated email reminder workflows. Built using TypeScript and containerized with Docker for scalable deployment.

Node.jsTypeScriptExpress.jsMongoDBRedisDockerJWT

Have a visionary project in mind?

I’m always open to discussing technical challenges, open-source collaborations, or full-time opportunities.

Achievements

Certifications & Milestones

A curated record of competitive programming rankings, academic honours, professional milestones, and certifications that reflect a commitment to excellence and continuous learning.

1700+LeetCode RatingTop 12% globally
450+Problems SolvedAcross platforms
AIR 1905WBJEE RankTop 1.3% statewide
15+REST APIs BuiltIn production
10+DB Schemas DesignedMongoDB
2★CodeChef RatingCompetitive coder
Competitive Programming
Top 12%

LeetCode Rating 1700+

450+ problems solved

Top 12% on LeetCode globally

2-Star CodeChef coder

Academic & Research
AIR 1905

AIR 1905 in WBJEE

Top 1.3% across West Bengal

Summer Research at ISI Kolkata

Quantum Computing research exposure

Certifications
Verified

HackerRank Problem Solving

Intermediate — Verified

HackerRank SQL

Intermediate — Verified

Professional Impact
Intern

Backend Developer Intern — Graphura India

Built 15+ production REST APIs

Designed 10+ MongoDB schemas

Node.js ecosystem in production

Competitive Programming

Metrics and rankings from global algorithmic challenge platforms.

LeetCodeRating · 450+ solved
1700+Top 12%
CodeChefCompetitive coder
2-StarActive
HackerRankProblem Solving
★★★★★5 Stars

Certifications

Verified credentials from industry platforms.

HackerRank Problem Solving

Academic & Professional Honours

Recognition of academic excellence and professional impact during research and work.

Summer Research Program — ISI Kolkata

2023

Indian Statistical Institute, Kolkata

Conducted research in Quantum Computing and distributed algorithms under faculty guidance.

Backend Developer Internship — Graphura India

2023–24

Graphura India Pvt. Ltd.

Built and deployed 15+ REST APIs, designed MongoDB schemas, and contributed to the Node.js production ecosystem.

AI-Powered Products — 5+ Full-Stack Projects

2023–24

Personal Portfolio

Built INTERVO (AI interview simulator), StudyBuddy (real-time collaboration), and NewsDesk (AI news aggregation) end-to-end.

Interested in my full professional background?

Available for opportunities

Let’s Build

Something Great

Together.

Whether you have a specific project in mind, a job opportunity, or just want to chat about AI and Software Engineering, my inbox is always open.

By clicking send, you agree to my professional privacy standards. I’ll get back to you within 24–48 hours.

Open to Opportunities

Ready to Build Something Amazing?

I’m actively seeking Software Engineering opportunities and exciting projects where I can contribute, learn, and create meaningful impact through technology.

450+LeetCode Solved
1700+LC Rating
2+Years Building
Curiosity