Senior Flutter & .NET Developer | Mobile App + Backend Architecture

Posted 4 weeks ago

Worldwide

Summary

We are looking for a senior Flutter & .NET Developer to build, optimize, and scale a production-ready mobile application with a reliable backend ecosystem. The ideal candidate should have strong experience in Flutter/Dart development, .NET Core, API integrations, and scalable application architecture. You will be responsible for developing cross-platform mobile features, building and integrating backend APIs, implementing authentication, database integrations, third-party services, and improving overall app performance, security, and user experience. We are looking for someone with proven experience in Flutter, Dart, C#, .NET Core, REST APIs, Firebase, and database systems who can take ownership of technical decisions and contribute to building a scalable, maintainable mobile platform. This is a long-term opportunity for an experienced engineer who can deliver high-quality solutions and work closely on product growth and technical improvements.

  • $80.00

    Fixed-price
  • Expert
    Experience Level
  • Remote Job
  • One-time project
    Project Type
Skills and Expertise
Mandatory skills
Android
Mobile App Development
Activity on this job
  • Proposals:20 to 50
  • Last viewed by client:3 weeks ago
  • Hires:
    1
  • Interviewing:
    0
  • Invites sent:
    0
  • Unanswered invites:
    0
About the client
Member since Apr 22, 2026
  • United States
    New York8:12 PM
  • $960 total spent
    43 hires, 6 active

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