Senior / Lead Mobile Application Developer (Flutter) – Fan-ID Platform

Talent Blueprint FZ LLC


Date: 4 hours ago
City: Riyadh
Contract type: Contractor

Location: Riyadh
Industry: Events / Sports / Large-Scale Digital Platforms
Employment Type: 3 months contract with a possibility of extension until 2027


Job Overview

We are looking for an experienced Senior / Lead Mobile Application Developer to lead the development and integration of a high-traffic Fan-ID mobile platform. The role focuses on building robust mobile integration layers using Flutter (Dart) and delivering secure, scalable integrations with multiple backend and third-party systems.


This position requires strong hands-on Flutter experience, deep understanding of mobile integrations, and proven exposure to large-scale, mission-critical platforms.



Key Responsibilities


  • Lead mobile app development and integration for the Fan-ID platform using Flutter (Dart).




  • Define mobile integration and architecture layers aligned with technical standards and best practices.




  • Design, develop, and maintain mobile integration layers connecting the app with backend and external systems.




  • Integrate the mobile application with:




    • Multi-vendor, vendor-agnostic ticketing engines




    • CRM and CMS platforms




    • Identity and Access Management (IAM) providers




    • Payments, travel, and partner services






  • Conduct integration-focused testing, including:




    • Mobile API integration testing




    • Schema validation




    • Security and authorization flows




    • Failure and edge-case scenarios






  • Test and validate high-risk user journeys such as payments, ticketing, and real-time event flows.




  • Implement offline-first and cache-driven mobile patterns where required.




  • Collaborate with backend, DevOps, and security teams to ensure seamless integrations and performance.




  • Ensure mobile solutions meet security, scalability, and performance requirements for high-traffic environments.





Testing & Automation


  • Design and execute automated mobile and integration tests.




  • Integrate automated tests into CI/CD pipelines using tools such as:




    • Jest




    • Flutter Test




    • Appium




    • Postman / Newman




    • Firebase Test Lab




    • k6 (API and integration performance testing)







Required Skills & Experience


  • Strong hands-on experience developing Flutter applications in production environments.




  • Proven experience delivering mobile integrations with third-party systems.




  • Solid understanding of authentication and authorization mechanisms, including:




    • OAuth2




    • JWT




    • SSO






  • Experience with event-driven and microservices architectures, from a mobile integration perspective.




  • Demonstrated experience working on large-scale, high-traffic mobile platforms.




  • Experience integrating mobile apps with cloud-hosted backends on Azure, AWS, or GCP.




  • Strong knowledge of mobile API design, performance optimization, and security best practices.





Nice to Have


  • Experience working on sports, events, or government-scale digital platforms




  • Exposure to Fan-ID, ticketing, or identity platforms




  • Experience in multi-vendor or vendor-agnostic environments




 

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