About me

I am a Software Developer focused on building scalable mobile applications, high-performance backend systems, and cloud-integrated platforms. I specialize in Flutter, Python, Firebase, and local database management, along with clean architecture principles, to deliver production-ready software.

I transform complex ideas into structured, secure, and maintainable digital solutions — from system design and API engineering to real-time integration and deployment. My goal is simple: build software that performs efficiently, scales smoothly, and remains dependable long-term.

What I'm Doing

  • mobile app icon

    Mobile Application Development

    Building cross-platform mobile applications using Flutter with clean architecture, optimized state management, and production-ready performance.

  • backend icon

    Backend & API Engineering

    Designing secure and scalable REST APIs using Python, well-structured databases, and efficient, maintainable business logic.

  • cloud icon

    Cloud & Real-Time Systems

    Implementing authentication, real-time databases, and push notifications using Firebase and modern cloud-based infrastructure.

  • architecture icon

    System Architecture & Optimization

    Designing modular, scalable systems with strong architecture patterns, performance optimization, and long-term maintainability.

Testimonials

  • Einar Guðmundsson

    Einar Guðmundsson

    SaaS Dashboard Development

    Khalid built a responsive SaaS dashboard for our analytics platform, including real-time data visualization, secure authentication, and structured API integration.

    The system is clean, efficient, and significantly improved our internal workflow performance.

    - Helsinki, Finland

  • Emma Smith

    Sophie Clarke

    App Conversion and Optimization

    Khalid transformed my website into a high-performance mobile application and refined the backend structure.

    Performance improved noticeably, and the application now runs smoothly even with growing user activity.

    - Bristol, UK

  • Mehedi Hasan

    Shahriar Alam

    Digital Campus Solution

    I shared my Digital Campus concept, and Khalid developed it into a fully functional mobile application with structured student management and real-time features.

    The final product was stable, scalable, and aligned perfectly with my original vision.

    - Cumilla, Bangladesh

  • Fatema Akter

    Rumana Jahan

    Customized Business Application

    Khalid developed a fully customized mobile application tailored to my business requirements.

    The system is user-friendly, stable, and has streamlined my daily operations effectively.

    - Chattogram, Bangladesh

Project highlight
quote icon

End-to-End Product Development

Led full project lifecycle from system planning and architecture design to deployment, ensuring scalable, secure, and maintainable production-grade software delivery.

Projects highlight

Resume

Education

  1. BSc in Computer Science & Engineering — Northern University, Bangladesh

    2023 — Ongoing

    Currently pursuing a Bachelor’s degree in Computer Science & Engineering, focusing on software architecture, cross-platform mobile development, backend engineering, and scalable system design. Actively building real-world production applications alongside academic study.

  2. Higher Secondary Certificate (Science)

    2020 — 2022 | GPA: 5.00

    Completed HSC with academic excellence, strengthening analytical thinking and problem-solving fundamentals.

  3. Secondary School Certificate (Science)

    2018 — 2020 | GPA: 4.94

    Built a strong academic foundation in science and mathematics, developing early interest in technology.

Experience

  1. Executive Director — Team Orbiq.

    Global Education Research & Development Center

    Lead the strategic vision, technical direction, and innovation initiatives of the organization while heading the Research & Development division. Drive system architecture planning, research execution, and product development from idea to scalable real-world solutions. Oversee project lifecycles, mentor contributors, and ensure all initiatives maintain high standards of scalability, usability, and long-term impact.

  2. Software Developer — BloodBond

    Production-Ready Healthcare Platform

    Independently built the BloodBond platform from concept to full production deployment. Developed backend APIs with FastAPI (Python), built the Flutter mobile app, and integrated Firebase for authentication, real-time communication, and scalable cloud data handling. Managed the complete lifecycle including architecture design, database structuring, deployment, and performance optimization, ensuring reliability for real-world emergency usage.

  3. Full-Stack Developer — ShielDex

    Publicly Released Campus Safety Application

    Led the end-to-end development of ShielDex from concept to public release. Built the Flutter application, implemented backend services and authentication flows, and integrated Supabase for secure, scalable cloud database management. Handled architecture planning, backend integration, and performance tuning to deliver a responsive, secure, and maintainable production-ready system.

  4. Flutter Developer — Crowdpick

    Event Management & Ticketing Project

    Currently developing an event management and ticketing platform, building structured features with robust API integration and efficient local database handling. Focused on scalable architecture, optimized state management, and clean, maintainable code to ensure strong performance and smooth user experience ahead of public release.

Technical Skills

  • Flutter (Cross-Platform App Development)
    95%
  • System Design & Clean Architecture
    88%
  • Python (REST API Development)
    90%
  • Laravel (PHP Backend Development)
    65%
  • Firebase
    88%
  • Supabase
    82%
  • C & C++
    80%
  • Java
    70%

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