Senior​/Lead Mobile Application Developer; Flutter – Fan- Platform

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

We are looking for an experienced Senior / Lead Mobile Application Developer to lead the development and integration of a high-traffic Fan-e 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.

• Lead mobile app development and integration for the Fan- 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, Dev Ops, and security teams to ensure seamless integrations and performance.
• Ensure mobile solutions meet security, scalability, and performance requirements for high‑traffic environments.

• 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)

• 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.

• Experience working on sports, events, or government‑scale digital platforms
• Exposure to Fan‑, ticketing, or identity platforms
• Experience in multi‑vendor or vendor‑agnostic environments