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Zakaria HossainMobile Application Developer having 5+ years of experience
Work Experience

Pathao Ltd.

Software Engineer (Level 2)
  • •Working on Chat Head feature to improve location ping efficiency and reduce standby mode transitions in the driver app.
    • Nov 2023 – presentDhaka, Bangladesh
  • •Developed and optimized the Pathao Rental with Subscription module for millions of drivers in Nepal and Bangladesh.
  • •Enhanced the driver app payment withdrawal flow to be fully dynamic.
  • •Made the food assignment flow fully dynamic with A/B testing support.
  • •Implemented Cancellation and Waiting fee functionality in the driver app.
  • •Designed tailored popups to display offers to drivers.
  • •Provided technical mentorship to junior developers on mobile app technologies and best practices.

    • Dhrubok Infotech Services Ltd

    Software Engineer (Tech Lead)
  • •Leading Mobile App Development Team as a technical lead which consisting of 5 members.
    • Sep 2019 – May 2023Dhaka, Bangladesh
  • •Reduced server cost of the backend as a service-oriented application by reducing API calls using local database.
  • •Performance improvement of video (cut and merge) editing application using FFmpeg
  • •Provided technical leadership by mentoring other developers on mobile technologies and best practices within the organization.
  • •Designed application architecture using MVVM and MVP.
  • •Created robust Flutter and Android applications and contributed to R&D of features.
    • Skills
    Programming Language

    Kotlin, Java, Dart

    Framework

    Android, Flutter

    Dependency Injection

    Get It (Service Locator), Hilt (Dagger)

    Architecture

    MVVM, MVP

    Database

    Room (SQLite), Isar, PostgreSQL

    State Management

    Riverpod, GetX, Bloc

    Backend as a Service

    Firebase, Parse Server

    Version Control

    Git, Github (Github Action)

    Others

    Coroutines, RxJava, Retrofit, LiveData, Glide, Dio, GoRouter, Push Notification, Unit Testing

    1 / 2
    Projects

    Poshora

    A multi-platform freelancer/professional finding and virtual marketplace for service delivery application.
  • •Developed features for client and service provider module. Writing maintainable code and ensuring the quality of the app within the deadline was the core responsibility.
    • Mar 2021 – Aug 2021
  • •Created application with GetX state management, Flutter Secure Storage, Flutter Stream, SSLCommerz payment SDK, Localization and HTTP Networking

    • Navigator Tourism

    An air and hotel ticket booking application that aims to minimize the hassles of ticket booking.
  • •Developed features air ticket module. Writing maintainable code and ensuring the quality of the app within the deadline was the core responsibility.
    • Oct 2021 – Apr 2022
  • •Used Get_It service locator, SSLCommerz payment SDK, Flutter Secure Storage and HTTP Networking to create application.
  • •Contributed to R&D of project structure and feature development.
  • •Built with MVVM architecture, Android Jetpack, Kotlin-Coroutines, Retrofit, FFmpeg, EventBus, LiveData, JW video player, and Onesignal push notification.

    • IQRA Knowledge

    A chatting based question-answer and quiz test BCS preparation application to get prepared for BCS examination.
  • •Lead the android team, defined the project architecture, contributed to R&D and development of features.
    • Sep 2019 – Feb 2020
  • •Created application with Java, Kotlin, MVVM architecture, Live Data, Jetpack Navigation, Fast-Android-Networking, Constraint Layout, Push Notification, REST API etc.
    • Professional Achievements

    Employee of the Year

    Dhrubok Infotech Services Ltd

    Selected as an employee of the year in my company for my dedication, growth and work performance.

    2022
    Education

    B.Sc in Computer Science & Engineering

    Daffodil International University
  • •Extra Curricular Activity: Appointed as a Programming Lab Teaching Assistant (Student Prefect) to help with evening shift students' programming tasks assessment and solving (fundamental) programming-related problems.
    • 2015 – 2019Dhaka, Bangladesh
  • •CGPA 3.63 out of 4.00
    • 2 / 2