About Me

Get to know the person behind the code my journey, passions, and what drives me forward.

Khalid Hossain Profile Photo
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Khalid Hossain

Flutter Developer | Mobile Application Engineer

A Flutter developer with 2+ years building cross-platform iOS and Android apps, with 7+ production apps live on the App Store and Google Play. I hold a Bachelor of Science in Computer Science & Engineering (CGPA: 3.86/4.00) from the University of Development Alternative, Dhaka, and specialize in designing, building, and maintaining production-grade mobile applications for both Android and iOS platforms.

I oversee the full application delivery lifecycle from architectural planning and API/backend integration to pixel-perfect UI implementation, performance optimization, and release management across the App Store and Google Play Store ensuring every product meets the highest standards of quality, scalability, and user experience.

Professional Snapshot

  • 2+ years in professional Flutter development
  • BSc in CSE with CGPA 3.86/4.00
  • Published apps on both iOS and Android stores

Core Competencies

  • Flutter, Dart, Provider, GetX
  • Firebase and REST API integration
  • Clean Architecture and scalable codebases
  • Payment gateway and real-time features

Technology Stack

Flutter Dart Android iOS Firebase REST APIs Provider GetX Clean Architecture JavaScript Node.js UI/UX Design App Store Connect Google Play Console

Education & Journey

My academic path and the milestones that shaped my development career

Bachelor of Science in CSE

2024

University of Development Alternative (UODA), Dhaka

CGPA: 3.86 / 4.00

Focused on developing strong problem-solving, design, and software development skills through practical projects. Maintained an excellent academic record while actively participating in tech communities and building real-world applications.

Professional Journey

Milestones that shaped my development career and delivery standards

Flutter Development

January 2025 – Present

ScaleUp IT Ltd., Mohakhali C/A, Dhaka

Full-cycle mobile application delivery across product planning, implementation, optimization, and store release.

  • Build and maintain production-grade Flutter applications for Android and iOS.
  • Integrate RESTful APIs and implement scalable state management with GetX and Provider.
  • Translate Figma design systems into responsive, pixel-perfect user interfaces.
  • Manage deployment and release lifecycle for Google Play Store and Apple App Store.

Mobile Application Development Certification

March 2023

SEIP Training (BITM)

Completed professional training in mobile application development, building a strong foundation in industry-standard tools and best practices.

Professional English Communication Skill

27 Mar 2023

WSDA, New Zealand

Completed professional communication skills training with grade A, supported by BASIS and SEIP.

Technical Skill Development

Ongoing

Continuous Learning & Professional Growth

Continuous upskilling focused on modern architecture, reliability, and user-centered mobile experiences.

  • Advance expertise in Flutter, Firebase, REST APIs, and clean application architecture.
  • Strengthen implementation quality with performance optimization and maintainable coding standards.
  • Expand integration capabilities for payment workflows including Stripe, Google Pay, and Apple Pay.
  • Refine UI/UX execution principles to deliver clear, intuitive, and consistent product experiences.

Skills & Expertise

The technical tools and abilities I've developed throughout my journey

Mobile Development

Flutter & Dart 90%
Firebase 85%
REST APIs 88%
GetX / Provider 82%

Web & Backend

JavaScript 70%
Node.js 65%
MySQL 68%
UI/UX Design 72%

Beyond Coding

The passions and pursuits that shape me beyond the screen

💼

App Publishing & Deployment

Successfully published and maintained multiple live applications on the Google Play Store and Apple App Store, managing the full release lifecycle including version management, store optimization, and user support.

7+ Live Published Apps
🌐

Tech Community Engagement

Actively sharing knowledge, open-source contributions, and development insights with the developer community through GitHub and LinkedIn. Passionate about empowering upcoming developers.

Open Source Contributor
🎨

Design & Personal Branding

Exploring UI/UX design, content creation, and personal branding to share insights and inspire others in the tech community through various creative and digital mediums.

Design & Content Creation

These diverse experiences have shaped me into a well-rounded developer who brings creativity, consistency, and a continuous passion for learning to everything I do - both in technology and in life.