Resume
Preferred Freelancer (top 2%)
Mahmudul Hasan
iOS Developer | Swift | SwiftUI
Open to Work: Remote / On Site (Worldwide)
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About Me
Experienced iOS Developer with a passion for crafting elegant and innovative mobile applications. With over 5 years of industry experience, I have successfully developed e-commerce and social media apps, integrating cutting-edge technologies such as machine learning for content filtering. Collaborating with diverse teams, including startups and global clients, I have delivered high-quality solutions while optimizing app performance. I thrive in fast-paced environments and leverage my strong command of Xcode, Instruments, and LLDB to develop efficient and robust applications. As a proactive learner, I stay at the forefront of the ever-evolving iOS ecosystem, continuously updating my skills through self-study and staying updated with the latest industry trends. I am driven by a strong desire to create exceptional user experiences and constantly seek new challenges to further enhance my expertise. If you're looking for a skilled iOS Developer who can bring creativity, dedication, and a strong attention to detail to your team, let's connect. I'm open to new opportunities and excited to contribute to the next generation of groundbreaking apps.
Work Experience
Full Stack iOS Engineer - Insightful Inc. (Contract)

San Diego, California — (Jun’21 - Present) - Appstore

Tangerine, a photo sharing and review social networking app in Swift.

  • Significantly improved app performance by reducing 33% of unnecessary code from the original source.
  • Achieved a 50% increase in performance by implementing memory management techniques using Instruments.
  • Optimized Firestore read/write operations, resulting in reduced costs by implementing efficient query structures.
  • Implemented Firebase Cloud Functions to automate filtering and administrative tasks, also enhanced app functionality and efficiency by using machine learning models.

  • Tech Stack: Swift, SwiftUI, Firebase, Realm, Core ML, Image Processing, NodeJS

Lead iOS Developer - Katex Entertainment Ltd. (Contract)

Dhaka, Bangladesh — (Jun’22 - Dec’22) - Github

Bazaarface, an e-commerce application with integrated social media features.

  • Actively contributed to continuous improvement efforts by providing valuable suggestions and actively engaging in problem-solving activities to enhance teamwork.
  • Demonstrated consistent dedication and hard work, resulting in improved operational efficiency and effectiveness.

  • Tech Stack: Swift, Firebase, Realm, GraphQL

iOS Developer - Britannia Hotel (Remote)

Trondheim, Norway - (Jun’20-May’21) - Github

Jigger, an exclusive iPadOS app for Britannia Hotel's bar.

  • Led the end-to-end development of the app, encompassing the creation of an intuitive admin panel and integration with the bar's product database. The app served as a sophisticated inventory management system, enhancing operational efficiency.
  • Implemented essential functionalities such as advanced search capabilities, sorting options, seamless CRUD (Create, Read, Update, Delete) operations, and biometric authentication.
  • Built an admin panel using Flutter with different roles.

  • Tech Stack: Swift, Firebase, Realm, Flutter (Web)

Application Developer - TrapSpy (Remote)

Winnipeg, Canada — (Dec’17 - Dec’19) - Github | AppStore | Playstore

Developed a cloud-sourced report sharing app that empowered users to create reports on hazards, obstacles, and cost-saving opportunities, resulting in increased safety and significant savings.

  • Increased user engagement by 70% through the implementation of location-based photo push notifications.
  • Featured in local news for its innovative approach and impact.
  • Garnered over 100,000+ downloads from the pilot city, showcasing its popularity and widespread adoption.

  • Tech Stack: Swift, Firebase, Java, NodeJS
Skills
Programming Languages
  • Swift
  • Dart

    • Platform/Framework
  • SwiftUI
  • CoreML
  • CoreAnimation
  • SwiftData
  • Apollo GraphQL
  • Firebase
  • Git
  • Google Maps Platform
  • Flutter
  • Laravel
  • Bootstrap

    • CI/CD
  • XCCloud
  • Fastlane
  • Github Actions

    • Databases
  • Realm
  • MySQL

    • Soft Skills
  • Time Management
  • Team Work
  • Problem Solving
  • Critical Thinking
    • Languages
  • English (Professional)
  • Bengali (Native)
    • Education
    MSc in Disaster Management

    Begum Rokeya University, Rangpur
    (2019-2020)

    BSc in Disaster Management

    Begum Rokeya University, Rangpur
    (2016-2019)

    Other Projects
    This Website - Github
    This site is hosted on GitHub and source code is available as well. Feel free to fork this site and contribute. If you use the source code, please put a credit somewhere visible.

  • JavaScript · HTML · CSS
    • Study in Bangladesh - Web Link
    Study in Bangladesh is maintained by Global Representatives of Bangladesh Education and Institutions tasked with promoting Bangladesh abroad supported by the Government of the People's republic of Bangladesh.

  • JavaScript · Bootstrap · Back-End Web Development · Laravel
    • Feedbacks
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    Copyright © Mahmudul Hasan