👋 Welcome to my Portfolio

Hello, I’m Md Samsel Arfin

MERN Stack Developer (Assist Lead)

Md Samsel Arfin

About Me

Md Samsel Arfin

Hello! I am Md Samsel Arfin, a passionate MERN Full Stack Developer with a strong foundation in modern web development. I hold a Bachelor’s degree in Computer Science & Engineering from Green University of Bangladesh. My core expertise is building scalable, high-performance web applications with a focus on premium aesthetics and clean user experiences.

Currently, I am working at Softvance Agency IT (a sister concern of Betopia Group) as a running MERN Stack Developer. In this role, which I have held for 1.5 years, I also serve in Frontend Lead and Assistant Lead positions, helping coordinate development workflows and guiding frontend architectures.

Along with MERN stack, I am currently building full stack applications using the T3 Stack (Next.js, tRPC, Prisma, PostgreSQL), and scaling modern backend systems with NestJS. I am always eager to expand my knowledge base to stay at the cutting edge of modern software engineering.

Skills & Expertise

Full Stack Web Dev

Specialized in responsive application structures using client frameworks and building robust databases.

ReactNext.js (T3 Stack)Node.jsNestJSTypeScripttRPCPrismaPostgreSQLMongoDBReduxRTK QueryGraphQL

Tools & Utilities

Proficient in modern utilities, version control systems, design tools, and project coordinators.

FigmaGit & GitHubJiraPostmanNetlifyPhotoshopAutoCADWordPress

Certifications & Courses

MERN Stack Development

Programming Hero

Software Quality Assurance

IEEE CSSBC

Data Science with Python

Certificate Course

Microsoft Excel Certificate

Certificate Course

Let’s Collaborate!

Ready to bring your ideas to life with cutting-edge technology and gorgeous, responsive web experiences?

Get in Touch

Personal Stats & Info

Personal Details

First NameMd Samsel
Last NameArfin
NationalityBangladeshi
FreelanceAvailable
AddressDhaka, Bangladesh
Phone+880 1952-487468
Skypearfin123
LanguagesBangla, English, Hindi

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Years of Experience

MERN Stack & Lead positions

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Completed Projects

Fiverr contracts & Web solutions

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Happy Clients

Fiverr & direct client appreciation

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Technologies Mastered

Frontend, backend & design utilities

My Skills

A visual overview of my technical expertise and proficiency across frontend, backend, database systems, and SaaS integration platforms.

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HTML

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CSS

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JavaScript

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TypeScript

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Bootstrap

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React.js

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Next.js

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Redux.js

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Tailwind CSS

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Firebase

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ReactRouter

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MongoDB

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Express.js

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Node.js

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GSAP

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JWT

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T3 Stack

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Prisma

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PostgreSQL

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Supabase

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ConvertKit

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Auth0

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Xero

My Portfolio

SaaS Restaurant App
Full Stack SaaS Project

SaaS Restaurant App

A multi-tenant SaaS restaurant application built with Next.js and NestJS. Integrates PostgreSQL via Prisma ORM for data modeling, custom subdomains, Stripe subscription handling, and a management dashboard for restaurant owners.

Next.jsNestJSPrisma+4 more
ShopSpark AI
AI Integration Project

ShopSpark AI

ShopSpark AI is a smart e-commerce studio platform powered by OpenAI. It allows clients to generate marketing material, copywrite product listings automatically, and analyze customer behaviors dynamically.

Next.jsReactTailwind CSS+4 more
Ponteggi Bridge
Frontend Showcase

Ponteggi Bridge

Ponteggi Bridge is a beautiful Italian bridge-construction showcase website. Built with React and styled with Tailwind CSS, it features rich visual designs, clean structural components, and responsive grid layouts.

ReactTailwind CSSHTML5+2 more
E Com Zone
Personal Project

E Com Zone

E Com Zone is a modern, responsive e-commerce website built with Next.js, TypeScript, and Tailwind CSS. It integrates secure user authentication, dynamic product management, and a streamlined shopping experience.

Next.jsTypeScriptTailwind CSS+7 more
Meeting Room Book
Personal Project

Meeting Room Book

Meeting rooms, built with React, Redux, and Node.js. It features secure authentication via NextAuth, dynamic room availability, and booking management. The backend uses Express and MongoDB for data handling, with Axios for seamless API integration.

Frontend: ReactReduxAxios+9 more
SAR Shop
Personal Project

SAR Shop

SAR Shop Frontend is a responsive e-commerce application for clothing and electronics. Built with React, HTML, CSS, Tailwind CSS, and DaisyUI, it offers a sleek design, Firebase authentication, and seamless API integration via Axios.

HTMLCSSTailwind CSS+7 more
SA Food Restaurant
Personal Project

SA Food Restaurant

SA Food Restaurant leverages technologies such as React, Tailwind CSS, and DaisyUI. The backend integration with Express and MongoDB ensures data handling, while Firebase handles secure authentication and Stripe manages payment processing.

HTMLCSSTailwind CSS+7 more
Health Complex
Hospital Project

Health Complex

A digital services platform for hospital services, including general medicine, surgery, emergency services, and specialized medical care portals.

HTML5CSSTailwind CSS+6 more
AI AFFI BOT
Personal Project

AI AFFI BOT

Job Hunter is a platform that helps users search for their dream job by filtering through various categories.

ReactTailwind CSSFirebase

Certificates & Achievements

Achievement

Advanced Full-Stack Development with MERN Stack (Programming Hero)

As part of the Programming Hero Level course, I have mastered the MERN stack (MongoDB, Express.js, React, Node.js). This program equips me with the skills to build dynamic and scalable web applications. I have learned key technologies like TypeScript, Mongoose for data modeling, Redux for state management, Next.js for server-side rendering, GraphQL for APIs, PostgreSQL for database management, AWS for cloud services, Docker for containerization, and Unit Testing to ensure software quality.

Advanced Full-Stack Development with MERN Stack (Programming Hero)
Software Quality Assurance & Test Automation Expert
Achievement

Software Quality Assurance & Test Automation Expert

Gained comprehensive knowledge about the essentials of Software Quality Assurance (SQA) and Test Automation. Worked on creating real-world projects, including a web application that visualizes Spotify statistics. Learned to apply industry-standard testing tools and automation scripts to ensure codebases perform reliably.

Achievement

Microsoft Word Advanced Certification

Completed an advanced certification course in Microsoft Word, focusing on template creation, layouts, style libraries, and professional document management systems to improve workflow efficiency.

Microsoft Word Advanced Certification
Advanced Microsoft Excel Certification for Data Analysis
Achievement

Advanced Microsoft Excel Certification for Data Analysis

Acquired key skills in advanced data analysis, using Excel's pivot tables, multi-logical formulas, visualization utilities, and macros to compile reports and support data-driven decision-making.

Achievement

Robotics and Automation Systems Development Training

Acquired hands-on experience in building and programming hardware automation systems. Focus areas included micro-controllers, actuators, and writing automation scripts using Python and C++.

Robotics and Automation Systems Development Training

Education & Experience

Experience

2024 - Present

MERN Stack Developer (Frontend Lead & Assistant Lead)

Softvance Agency IT (Betopia Group)

Serving as MERN Stack Developer, Frontend Lead, and Assistant Lead. I help coordinate development workflows, guide key frontend architectures with React, Next.js (T3 Stack), and NestJS, and collaborate on database design and backend APIs.

React.jsNext.js (T3 Stack)TypeScriptNestJSPrismaPostgreSQLtRPCTailwind CSSRedux ToolkitNode.jsExpress.jsMongoDB
2024 - 2025

Full Stack Developer (MERN-stack)

Programming Hero

Completed a specialized full-stack course focusing on building production-grade web applications, advanced data modeling, deployment, and testing.

TypeScriptNext.JsMongooseReduxGraphQLPostgreSQLAWSDockerUnit Testing
2022 - Present

MERN Stack Developer

Freelance

Leveraging MongoDB, Express, React, and Node.js to deliver clean, custom web solutions and API integrations for client contracts.

HTMLCSSReactBootstrapTailwind CSSJavaScriptNode.jsExpress.jsMongoDBFirebase
2019 - 2021

WordPress Developer

DigitalPulp Services

Specialized in building and customizing WordPress web instances to meet specific client requirements and optimize SEO page speeds.

WordPress CoreHTMLCSSJavaScriptPHPMySQLWooCommerceREST APIElementorDivi
2018 - 2020

Digital Marketing Specialist

Online Services

Created and monitored custom SEO, SEM, SMM, and email marketing campaigns for e-commerce client groups.

Search Engine Optimization (SEO)Search Engine Marketing (SEM)Content MarketingEmail Campaigns

Education

Class of 2023

B.Sc. in Computer Science & Engineering

Green University of Bangladesh

Graduated with CSE core topics: algorithms, data structures, software engineering, databases, and network architectures. Gained hands-on experience through project presentations and lab work.

Class of 2018

Higher Secondary Certificate (H.S.C.)

Aminur Rahman College, Magura

Science group concentration. Developed deep analytical capability, problem solving skills, and a baseline interest in computational sciences.

Class of 2013

Secondary School Certificate (S.S.C.)

Digha Intaz Mollah High School

Completed general secondary curriculum with science subjects, fostering team skills and scholastic excellence.

My Blog

Building Scalable Web Apps with MERN Stack

Building Scalable Web Apps with MERN Stack

In this post, I dive into how to build a scalable web application using the MERN stack...

11/15/2024

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Understanding JWT and Authentication in Node.js

Understanding JWT and Authentication in Node.js

Learn how to implement secure user authentication using JSON Web Tokens (JWT) in Node.js...

11/10/2024

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React Best Practices for Performance Optimization

React Best Practices for Performance Optimization

Explore various performance optimization techniques in React to make your applications faster...

11/5/2024

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Managing State with Redux Toolkit

Managing State with Redux Toolkit

Discover how Redux Toolkit simplifies state management in React applications...

11/1/2024

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Building a Next.js E-commerce Application

Building a Next.js E-commerce Application

Learn the basics of creating a full-stack e-commerce application using Next.js...

10/25/2024

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Understanding TypeScript for React Developers

Understanding TypeScript for React Developers

Explore how TypeScript enhances React development with type safety and better tooling...

10/20/2024

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