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Ratul Hasan Ruhan

25 followers

Building Meaningful Tech | Software Engineer Specializing in Mobile, AI, and Localized Solutions

25 followers

Joined 01 Jul 2025

Book 1:1

ratuler.vercel.app

Experience

5 years, 5 months

Appibrium

Founder & Full-stack Mobile Architect

Jun 2025 - Present (6 m) • dhaka, bangladesh • full-time

I design and build complete mobile systems—from frontend UI to backend infrastructure—with deep integration of DevOps and machine learning. At Appibrium, I lead the full product lifecycle, turning ideas into high-performance, scalable apps.

Mobile Application Development

Flutter

Android

JavaSoftware DevelopmentSoftware Architect and Developer

Solution Explorer

Software Engineer

Aug 2025 - Oct 2025 (2 m) • maryland, united states • full-time

Responsible for designing, developing, and maintaining all mobile applications.

Product ManagementSoftware Architect

Rust

C++

Sydrix AI

Mobile Application Developer

May 2025 - Jul 2025 (2 m) • remote • full-time

Built the Sydrix AI mobile solution and contributed to rapid prototyping for early-stage AI products.

Android

Java

Swift

Flutter

bdCalling

Flutter Developer

Apr 2025 - May 2025 (1 m) • dhaka, bd • full-time

Implemented real-time features using Socket.io and integrated audio/video calling for iOS and Android apps.

Flutter

Dart

NodeJS

SwiftUI

Android

Kotlin

Emerge AI

Mobile Application Developer

Aug 2024 - Mar 2025 (7 m) • remote • full-time

Working remotely with Emerge AI, I develop intuitive, high-quality mobile applications with Flutter, integrating AI-driven solutions to enhance user experiences. Thrilled to contribute to a team focused on innovation and excellence in mobile tech!

Flutter

Dart

SwiftUI

iOS

Android

React Native

Education

University of Greenwich

Bachelor's Degree, Computing

2025 - 2028

Daffodil International University-DIU

Bachelor of Science in Computer Science and Engineering - CSE, Computer Engineering

2024 - 2027

Shariatpur Govt. College

HSC, Science

2021 - 2023

PTGD Govt. High School

SSC, Science

2016 - 2020

Certification

Cisco CCNA 200-301 + Python Network Automation

Udemy ↗

Aug 2024 - No Expiry

Volunteering

Volunteer

Bangladesh Open Source Network (BdOSN)

Apr 2025 - Present

Recently joined BdOSN as a volunteer to be part of a growing community that promotes open-source culture, digital literacy, and inclusive technology in Bangladesh. I look forward to contributing to upcoming initiatives, events, and knowledge-sharing activities that align with my passion for accessible and impactful tech.

Volunteer

Society for the Popularization of Science, Bangladesh

Jan 2025 - Present