Samuel R.

Senior Android Engineer at IRL - Event Social Network
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Contact Information
us****@****om
(386) 825-5501
Location
Cochabamba, Bolivia, BO
Languages
  • Español Native or bilingual proficiency
  • Inglés Professional working proficiency
Skills

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5.0

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Boris Portman

Samuel is a solid senior software engineer with great problem solving skills. His deep expertise on the Android platform, be it with Android Java, Kotlin, or Flutter, coupled with overall best practices has helped him perform at a high level on the various projects where we had the privilege to have him.

Jorge Azurduy

Samuel es un compañero de trabajo honesto, responsable y muy capacitado el cual siempre esta dispuesto a colaborar con el team para resolver las dudas con temas realacionados con Andoid.

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Credentials

  • Certificate of Achievement - 2007 ACM-ICPC South America
    ACM, Association for Computing Machinery
    Nov, 2007
    - Oct, 2024
  • Certificate of Achievement - 2006 ACM-ICPC South America
    ACM, Association for Computing Machinery
    Jan, 2006
    - Oct, 2024
  • Certificate of Achievement - 2005 ACM-ICPC South America
    ACM, Association for Computing Machinery
    Jan, 2005
    - Oct, 2024
  • Developing Android Apps
    Udacity
  • Flutter & Dart - The Complete Guide [2020 Edition]
    Udemy
  • Gradle for Android and Java
    Udacity
  • Kotlin Bootcamp for Programmers
    Udacity
  • Kotlinfor Android Developers
    Udacity
  • Learn Flutter - Beginners Course
    Udemy

Experience

  • IRL - Social Messenger
    • United States
    • Consumer Services
    • 1 - 100 Employee
    • Senior Android Engineer
      • Nov 2020 - Present

  • BetterEngineer
    • United States
    • Software Development
    • 1 - 100 Employee
    • Senior Android Developer
      • Jul 2019 - Aug 2020

      Remote Android team member in an EEUU company for a professional cashback mobile application with +1M of downloads. - Increased the reports' reliability by 90%, improving the data integrity and refactoring the MVVM flows.- Reduced business decision time by 30% building an experimental module with analytics and behavioral statistics data.- Reduced time to implement new features by 30%, refactoring legacy code using SOLID, MVVM, and Redux.- Improved app performance reducing excessive overuse of reactive programming code by 10%.

  • Avantica
    • United States
    • IT Services and IT Consulting
    • 200 - 300 Employee
    • Senior Android Developer
      • Jul 2018 - Jul 2019

      Outsourcing Android team member for an Enterprise Cloud POS and Mobile Ordering Platform for POS payments, integrated with a variety of hardware devices (POS, EMV, barcode readers, printers, cash drawers, etc.).- Improved the products' visualization loading process by 80%, improving cyclomatic complexity using pagination and proper data structures such as Maps, Linked Maps, Sets, etc.Increased hardware capability support by 25% integrating new hardware devices (EMV readers, printers, etc.).- Became in a technical reference, refactoring and improving the payment module to reduce the denied service issues by 20% and increasing the reliability of the payment process by 35%.- Technical recruiter, interviewing new members for the Android team.

  • Jalasoft
    • Bolivia
    • Software Development
    • 700 & Above Employee
    • Android Software Engineer
      • Jan 2016 - Jun 2018

      ERP cloud-based business management solution that enables independent dealers to grow and prepare for the future.- Improved the app performance by 30% identifying bottlenecks, race conditions, and memory leaks.- Increased the app stability by 80%, fixing the crashes and ANR issues generated on rotation event.- Became in an Android tech reference since the background fo the team members were only for Java.- Extended the ERP mobile solutions by 15%, moving the delivery/inventory web modules to mobile apps.

  • Soluciones MFS
    • Lead Android Developer
      • May 2010 - Jan 2016

      SmartCard payment solution for a public transportation project in La Paz city.- Structured the smart card payments by 100%, developing Validators POS and Kiosk products based on the Android platform and integrating them with different hardware devices (readers, bill acceptors, printers, etc.).- Achieved the highest security levels by 80%, implementing android smart card solutions with SAM and SL3 standards.- Engineered the smart card solution, designing apps for mapping, security, and personalization of smartcards.

Education

  • Universidad Mayor de San Andrés
    Information Technology
    2004 - 2010

Community

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