Portfolio/Est. 2026

Abrar
Jahin.

Software EngineerDhaka, BD

I craft human centered products on scalable architectures, working deep in Ruby on Rails, Laravel and Next.js.

Get in Touch→View Projects
abrar.com.bd
Hand-drawn ink portrait of Abrar Jahin, arms crossed, in a BIGBOY tee
Fig.01— ink on paper

System Design ◆

Scalable Systems ◆

Ruby on Rails ◆

Laravel ◆

Next.js ◆

Jekyll ◆

Tailwind CSS ◆

PostgreSQL ◆

MySQL ◆

System Design ◆

Scalable Systems ◆

Ruby on Rails ◆

Laravel ◆

Next.js ◆

Jekyll ◆

Tailwind CSS ◆

PostgreSQL ◆

MySQL ◆

Selected Works

Featured Projects.

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LocalFile File Sharing
View Project

LocalFile File Sharing

01

LocalFile is a Next.js-based peer-to-peer file sharing and messaging application for local networks.

UIU Robotics Club
View Project

UIU Robotics Club

02

UIU Robotics is a student-run club of undergraduate and graduate students from United International University. The purpose of the Organization is to explore new engineering technology, learn crucial skills and promote the field of robotics.

Blood Lagbe
View Project

Blood Lagbe

03

Blood Lagbe is a web application that helps people find blood donors in their area.

Wallpaper 01
View Project

Wallpaper 01

04

A wallpaper design made with HTML CSS and JavaScript.

The Toolbox

Core Skills.

Languages

HTML icon
HTML
CSS icon
CSS
SASS icon
SASS
Liquid
JavaScript icon
JavaScript
TypeScript icon
TypeScript
Ruby icon
Ruby
Java icon
Java
Python icon
Python
Go icon
Go
C icon
C
PHP icon
PHP
C#

Frameworks

React icon
React
Next.js icon
Next.js
Node.js icon
Node.js
Express icon
Express
Tailwind CSS icon
Tailwind CSS
Redux icon
Redux
Ruby on Rails icon
Ruby on Rails
Jekyll icon
Jekyll
CodeIgniter icon
CodeIgniter
Laravel icon
Laravel
jQuery icon
jQuery
WordPress icon
WordPress
Bootstrap icon
Bootstrap

DevOps & Cloud

Docker icon
Docker
Kubernetes icon
Kubernetes
AWS
Azure
GitHub Actions icon
GitHub Actions
Terraform icon
Terraform

Databases

PostgreSQL icon
PostgreSQL
MySQL icon
MySQL
MongoDB icon
MongoDB
Redis icon
Redis
SQLite icon
SQLite

Architecture

Microservices
REST
GraphQL icon
GraphQL
Event-Driven
Serverless icon
Serverless

Mobile

React Native icon
React Native
Flutter icon
Flutter
Swift icon
Swift
Kotlin icon
Kotlin

Tools

Git icon
Git
GitHub icon
GitHub
VS Code
Chrome Dev Tools icon
Chrome Dev Tools
Webpack icon
Webpack
ESLint icon
ESLint
Prettier icon
Prettier
Vite icon
Vite
Milestones

Achievements & Awards.

◆ AcademicAug 2025

1st runner-up in SAD Poster category at Spring 2025 UIU Project Showcase

UIU Project Showcase

Awarded first runner-up in the System Analysis and Design Poster category at the UIU Project Showcase for developing a comprehensive software solution addressing real-world challenges.

System Analysis and DesignSoftware DevelopmentProject ManagementReal-life Problem SolvingUI/UX DesignAgile Methodology
View details →
◆ AcademicJan 2025

6th runner-up in DBMS category at Fall 2025 UIU Project Showcase

UIU Project Showcase

Awarded sixth runner-up in the Database Management Systems category at the UIU Project Showcase for designing a high-performance optimised relational schema with a real-life problem solving project.

DBMSSQLDatabase Design3NFRelational SchemaPerformance OptimizationReal-life Problem Solving
View details →
Writing

Articles & Insights.

Git Workflow Best Practices for Team Collaboration

Git Workflow Best Practices for Team Collaboration

Learn Git workflow best practices for teams — including branching strategies, commit message conventions, pull requests, code reviews, and merge strategies. Simple, practical, and beginner-friendly.

January 15, 2026Read more →
Next.js Performance Optimization Guide: Speed Up Your App Today

Next.js Performance Optimization Guide: Speed Up Your App Today

Learn how to optimize your Next.js application with practical techniques — image optimization, code splitting, caching strategies, lazy loading, and Core Web Vitals monitoring. Step-by-step with real code examples.

January 3, 2026Read more →
SQL Database Optimization: The Complete Performance Guide

SQL Database Optimization: The Complete Performance Guide

Learn how to optimize SQL database performance step by step — covering indexing, query optimization, the N+1 problem, EXPLAIN plans, 3NF normalization, connection pooling, pagination, and caching. Practical examples included.

August 25, 2025Read more →
GitHub Activity

A Year in Commits.

Each square is a day. The warmer it burns, the busier it was.

@ajpalok↗

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Get in touch

Let's Build Something Amazing.

Got a system worth designing? Let's talk.

Email

[email protected]

Phone

+8801521796237

Available Now

Open for collaboration, freelance work and discussing system design ideas.

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