Emmanuel Mtali

Android Developer at Jaza Energy
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Contact Information
us****@****om
(386) 825-5501
Location
Tanzania, TZ
Skills

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Bio

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Credentials

  • Associate Android Developer
    Goo
    Jun, 2020
    - Nov, 2024

Experience

  • Jaza Energy
    • Canada
    • Renewable Energy Semiconductor Manufacturing
    • 1 - 100 Employee
    • Android Developer
      • Oct 2021 - Present

      Roles- Support legacy Android App written in Java. Update to support Kotlin- Implement features to support business o/p and UI/UX improvement with Jetpack Compose- Add Hilt dependency Injection reducing app memory footprint and improve code testability by 75%- Improve offline sync with WorkManager reducing data latency time from 1 Hour delay to < 1 minute- Added support for 3 languages (English, Swahili and Yoruba)- Integrate monitoring tools (Flurry + Sentry) improving error discovery and error tracking by 90%- Add support for MVVM architecture improving code maintainability, scalability and testability- Write architecture document for the new app specifications- Collaborated with CTO, engineers, and product manager to build great experiences.- Close monitoring beta releases and performing quick bug fixes on demand

  • DStv
    • South Africa
    • Broadcast Media Production and Distribution
    • 200 - 300 Employee
    • Senior Software Developer
      • Jun 2017 - Oct 2021

      Roles- Implement USSD payment system *150*53# increasing customer service subscription for 50%+- Integrate USSD gateways with all major mobile network operators- Design and implement easy to navigate USSD menus for payment process to support DStv business- Perform integration with all major mobile operators in Tanzania (Vodacom, Tigo, Airtel and Halotel)- Add support for recursive payment subscription- Use CI/CD using Jenkins improving code quality and shorten deployment to multiple times a day- Perform robust third-party service integration using docker - Add sentry error monitoring tool to enhance debugging and bug fixes- Perform heavy optimisation for API and DB operations with Redis reducing USSD menu timeout by 85%

Education

  • Dar es Salaam Institute of Technology
    Diploma, Electronics and Telecommunication Engineering
    2017 - 2020

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