Senior Full Stack Mobile Application Developer at Recharge

Apply for Senior Full Stack Mobile Application Developer at Recharge Qatar in Doha, DAW, QA. This Full time on site position offers great opportunities for career growth.

The Senior Full Stack Mobile Application Developer is responsible for designing, developing, and deploying scalable, secure, and high-performance mobile applications and backend services. You will lead end-to-end mobile app development — from UI/UX implementation and API integration to cloud deployment and production support — within a fast-paced Fin Tech / Digital Payments environment. This role requires strong technical expertise in Flutter, React Native, Android/iOS development, RESTful APIs, cloud platforms, and database management, combined with a deep commitment to security, compliance, and user-centered design.

• Mobile Application Development
  • Design, develop, and maintain cross-platform mobile applications using Flutter or React Native
  • Implement responsive, intuitive, and accessible mobile UIs following modern UI/UX principles and design systems
  • Develop and maintain native Android (Kotlin/Java) and iOS (Swift/Objective-C) modules as needed
  • Optimize mobile application performance, startup time, and memory usage across device types and OS versions
• Backend & API Development
  • Build and integrate RESTful APIs and Microservices for mobile front-end consumption
  • Design and manage scalable backend services using modern frameworks and cloud-native architectures
  • Handle asynchronous operations, data caching, and efficient API communication patterns
• Security & Authentication
  • Implement secure authentication and authorization mechanisms:
    • OAuth 2.0
    • JWT (JSON Web Tokens)
    • Single Sign-On (SSO)
    • Biometric Authentication (fingerprint, face )
  • Enforce secure coding practices aligned with PCI-DSS and banking security standards
• Third-Party Integrations
  • Integrate essential third-party services including:
    • Payment Gateways
    • SMS/OTP Services
    • Push Notifications (Firebase, APNs)
    • Identity Verification & eKYC Solutions (Regula, Daon, Smart Engines SDKs)
    • Apple Pay & Google Pay
    • QR Payments & NFC Payments
• Database & Cloud Management
  • Work with relational and No
    
    SQL databases:
    • PostgreSQL | MySQL | SQL Server | MongoDB
  • Deploy and manage applications on Microsoft Azure (or equivalent cloud platforms)
  • Implement CI/CD pipelines for automated build, test, and deployment workflows
• Testing, Quality & Deployment
  • Perform unit testing, integration testing, and UI testing to ensure application reliability
  • Conduct performance tuning, memory profiling, and load testing
  • Participate in UAT/SIT environments for release management and defect resolution
  • Troubleshoot production issues and provide timely resolution support
• Collaboration & Leadership
  • Work closely with product managers, UX/UI designers, QA teams, and business stakeholders
  • Participate in code reviews and enforce development standards and best practices
  • Mentor junior developers, guide technical decision-making, and contribute to team growth
  • Prepare and maintain technical documentation, API references, and architectural guidelines
  • Stay current with mobile development trends, Fin Tech innovations, and platform updates

• Education & Experience
  • Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related field (or equivalent professional experience)
  • 5+ years of hands‑on experience in full-stack mobile application development
  • Proven experience building and deploying cross‑platform mobile apps using Flutter or React Native
  • Strong portfolio of end‑to‑end mobile applications delivered to production
• Technical Skills
  • Expert proficiency in Flutter/Dart and/or React Native/JavaScript/Type Script
  • Strong knowledge of native Android (Kotlin/Java) and iOS (Swift/Objective‑C) development
  • Deep understanding of RESTful APIs, Microservices architecture, and asynchronous programming
  • Solid experience with secure authentication (OAuth 2.0, JWT, SSO, Biometric)
  • Experience integrating payment gateways, push notifications, and eKYC SDKs
  • Strong database skills:
    PostgreSQL, MySQL, SQL Server, MongoDB
  • Cloud deployment experience on Microsoft Azure
  • Proficiency with Git, CI/CD pipelines, and…