Hello, I'm

Md. Rokibul Hasan

Full Stack Engineer

Passionate software engineer specializing in modern web and mobile applications with Next.js, Ruby on Rails, and React Native.
Building scalable solutions with clean code and exceptional user experiences.

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About Me

Hello! I'm Md. Rokibul Hasan

A Full Stack Software Engineer from Bangladesh with over 6 years of experience building modern web and mobile applications. I specialize in Next.js, Rails, React Native/Expo, and creating scalable, user-focused solutions.

My expertise spans frontend development with React, TypeScript, and Tailwind CSS, backend systems with Ruby on Rails and Node.js, and mobile app development using React Native and Expo. I'm passionate about writing clean, maintainable code and delivering pixel-perfect, responsive designs that exceed client expectations.

I thrive in collaborative environments, consistently improving processes and mentoring team members. Whether building e-commerce platforms, SaaS applications, or mobile apps, I focus on performance, security, and exceptional user experiences.

Work Experience

Over 6 years of professional experience in full-stack development, working with cutting-edge technologies and leading development teams.

Full Stack Engineer

Xincere Inc.

Jan 2024 - Present Tokyo, Japan

Engineered and deployed multiple SaaS platforms, including an internal HR system and an e-commerce application using React, Next.js, Node.js, and Ruby on Rails
Collaborated within a cross-functional team of 15+ engineers to improve delivery speed by 20% and enhance product stability
Developed and maintained Naminori, an engineer job & learning platform enabling job seekers to explore technical roles and courses
Improved frontend performance through server-side rendering (SSR), code splitting, and optimized API responses

React Next.js Node.js Ruby on Rails TypeScript

Full Stack Engineer & Team Leader

EagleOrbit IT Solutions

Feb 2023 - Jan 2024 Kosovo

Led a 5-member development team in redeveloping Priandori.com using Next.js and Apollo Federation, transforming it into a scalable and modular web platform
Designed and implemented microservices architecture, enabling maintainable and high-performance APIs
Enhanced user experience with dynamic routing, SSR, and responsive UI, achieving a 35% faster load time and improved SEO ranking
Mentored junior developers, conducted code reviews, and established team-wide best practices

Next.js Apollo Federation Microservices React Team Leadership

Full Stack Web Developer

Freelancer & Upwork

2020 - Present Remote

Delivered 15+ full-stack projects for global clients (US, EU, and Asia), including SaaS dashboards, e-commerce systems, and learning platforms
Developed high-performance frontends with React, Next.js, and Vue, and backends using Node.js, Express, NestJS, and PostgreSQL
Maintained consistent 5-star client ratings for timely delivery, code quality, and scalability
Integrated CI/CD pipelines, Dockerized environments, and cloud deployments (AWS, Vercel, Netlify)

React Next.js Vue.js Node.js PostgreSQL

Technical Skills

Frontend

React Next.js

TypeScript JavaScript

Tailwind CSS SCSS

HTML5 CSS3

Backend

Ruby on Rails

Node.js Express

RESTful APIs

GraphQL

Mobile

React Native

Expo

iOS Android

Responsive Design

Tools & Others

Git GitHub

PostgreSQL MongoDB

AWS Vercel

Agile Scrum

My Services

I offer comprehensive full-stack development services using modern technologies and best practices. From concept to deployment, I deliver high-quality, scalable solutions.