AmirHossein Aghajari

Senior Android App Developer at Cafe Bazaar
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Contact Information
us****@****om
(386) 825-5501
Location
Tehran Province, Iran, IR

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Credentials

  • WorldSkills Competition 2022 Special Edition - Best of Nation
    WorldSkills International
    Apr, 2023
    - Nov, 2024
  • WorldSkills Competition 2022 Special Edition - Champion - Mobile Applications Development
    WorldSkills International
    Oct, 2022
    - Nov, 2024
  • WorldSkills Competition 2022 Special Edition - Medallion for Excellence - Mobile Applications Development
    WorldSkills International
    Oct, 2022
    - Nov, 2024

Experience

  • Cafe Bazaar
    • Iran
    • Software Development
    • 200 - 300 Employee
    • Senior Android App Developer
      • Oct 2022 - Present

      •Boosted app stability by identifying and fixing 100+ bugs and glitches in collaboration with the development team; increased app crash-free users from 94.36% to 99.95%, as reported by Crashlytics on Firebase. •Improved UI design and animations of the project resulting in a 20% increase in user engagement and a 10% increase in user retention. •Created a new in-app billing SDK for the app store. •Decreased app download size by 50% using diff approaches, resulting in faster downloads and a better user experience. •Executed a comprehensive overhaul of the download manager's framework, reducing failed downloads by 20% and improving download speed by 30% Show less

  • Freelance Android Developers
    • Software Development
    • 1 - 100 Employee
    • Freelance Software Developer - Android & iOS & Backend Developer
      • Jan 2017 - Oct 2022

      •Developed and maintained a portfolio of 35 open-source projects and 10 custom Android views; contributed to the global developer community and received 900+ stars on GitHub •Collaborated with Samsung "rlottie" developers to launch AXrLottie, an Android library that streamlined animation rendering; utilized by four top companies and integrated into over 100 projects, boosting app speed and user experience by 60% •Developed Titan, a tool that can automatically wrap Android and Java libraries for B4A within a minute, resulting in more than 1,000 developers worldwide using libraries compiled by Titan. •Engineered over 20 APIs and 5+ libraries with Go, Node.JS, and PHP; optimized data retrieval time by 40% and minimized server error rate by 25% Show less

  • Vidone - ویدان
    • Iran
    • E-Learning Providers
    • 1 - 100 Employee
    • Senior Java Software Engineer & Android Developer
      • Jan 2021 - Aug 2022

      •Redesigned the Vidone Android application, eliminating 90% of reported crashes and improving load time by 50% through optimized code and database integration. •Streamlined the app's UI design, reducing the number of clicks that takes to complete common tasks by 40%, leading to higher user engagement and retention rates. •Redesigned the Vidone Android application, eliminating 90% of reported crashes and improving load time by 50% through optimized code and database integration. •Streamlined the app's UI design, reducing the number of clicks that takes to complete common tasks by 40%, leading to higher user engagement and retention rates.

Education

  • Amirkabir University of Technology - Tehran Polytechnic
    Computer Engineering
    2021 -

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