Mobile Software Engineer- Senior Consultant

Visa Visa · Fintech · Austin, TX

Visa is seeking a Senior Mobile Software Engineer to design, build, and test software products for a global customer base. The role involves working on complex distributed systems and solving large-scale problems in payment technology, with opportunities to leverage innovative technologies and contribute to the future of digital transactions. The engineer will be hands-on, contributing to production code, architecture design, and engineering standards within an agile environment.

What you'd actually do

  1. Design code and systems that touch 40% of the world population while influencing Visa’s internal standards for scalability, security, and reusability
  2. Collaborate multi-functionally to create design artifacts and develop best-in-class software solutions for multiple Visa technical offerings
  3. Actively contribute to product quality improvements, valuable service technology, and new business flows in diverse agile squads
  4. Develop robust and scalable products intended for a myriad of customers including end-user merchants, b2b, and business to government solutions.
  5. Leverage innovative technologies to build the next generation of Payment Services, Transaction Platforms, Real-Time Payments, and Buy Now Pay Later Technology

Skills

Required

  • Flutter (Dart)
  • Swift (iOS)
  • Kotlin (Android)
  • RESTful API integration
  • JSON parsing and serialization
  • Secure authentication flows (OAuth 2.0, OIDC, token handling)
  • Secure storage (Keychain, Keystore, encrypted storage patterns)
  • Modular and scalable architecture patterns (MVVM, Clean Architecture, BLoC, etc.)
  • Debugging skills
  • Performance optimization tools

Nice to have

  • Firebase, AWS, or similar cloud-integrated mobile services
  • Mentoring engineers
  • Influencing engineering standards
  • Experience integrating AI-powered APIs or intelligent workflows into mobile applications
  • Experience building scalable, consumer-facing mobile platforms.
  • Experience designing reusable mobile modules or shared UI component libraries.
  • Exposure to microservices-based backend ecosystems.

What the JD emphasized

  • 8+ years of relevant work experience with a Bachelor’s Degree or at least 5 years of experience with an Advanced Degree (e.g. Masters, MBA, JD, MD) or 2 years of work experience with a PhD, OR 11+ years of relevant work experience.
  • 6–10+ years of professional mobile application development experience.
  • 3+ years of hands-on experience building and shipping production applications using Flutter (Dart)
  • Experience working in security-sensitive or regulated environments.