Bob Xin

Senior Mobile & Full-Stack Engineer

Mobile · Security · FinTech

About

Senior software engineer with 10+ years of experience building mobile, FinTech, identity and authentication systems, with four invention patents spanning mobile security and emerging software technologies.

  • 10+ Years

    Software Development

  • FinTech

    Mobile Security

  • Master's Degree

    Engineering Management

Experience

  1. Aug 2022 — Present1 Patent

    Independent Software Engineer · Independent Projects

    Completed a Master of Engineering Management with a focus on project scheduling and quality management, while continuing hands-on software development across mobile, web, backend, and cloud platforms. Designed, built, deployed, and maintained independent software projects spanning frontend, backend APIs, cloud infrastructure, and mobile applications.

    • Android
    • Flutter
    • Next.js
    • Python
    • Cloud Deployment
  2. Aug 2017 — Aug 20223 Patents

    Software Engineer · Tech Innovators Inc.

    Developed mobile security SDKs and authentication solutions for financial institutions, focusing on identity verification, secure access, SDK compatibility, and production reliability. Contributed to innovations in mobile authentication and biometric security, resulting in three granted invention patents.

    • Android
    • Java
    • Kotlin
    • JNI
    • Native Libraries
  3. May 2016 — May 2017

    Software Engineer · Financial Insurance Group Co.

    Maintained and optimized production financial mobile applications, improving client-side stability, performance, and issue resolution. Diagnosed complex application and API integration issues with backend teams to ensure reliable operation across varied network conditions.

    • Android
    • Java
    • JNI
    • Native Libraries
  4. Dec 2014 — Apr 2016

    Software Engineer · Tech Innovators Inc.

    Developed and iterated Android applications for university campus services, delivering new features and UI improvements in collaboration with product, design, and backend teams. Improved usability and supported practical, student-centered services.

    • Android
    • Java
    • JNI
    • Native Libraries

Education

  • Sep 2024 — Jun 2026

    Master of Engineering Management

    Beihang University (BUAA)

  • Feb 2020 — Jun 2022

    Bachelor of Computer Science

    Beihang University (BUAA)

  • Jun 2011 — Apr 2013

    Study Program in Japan

    Kobe Institute of Computing - College of Computing

  • Sep 2007 — Jun 2011

    Bachelor of Business Administration & Financial Management

    Southern Cross University & Tianjin University of Science and Technology