Flutter Developer

📍 REMOTE in Jordan

My client are looking for a Senior / Lead Mobile Engineer to play a pivotal role in building their next-generation Super App ecosystem. You will lead the development of a seamless, high-performance mobile experience that brings multiple services together under a single, scalable platform.

A core pillar of the Super App is our Financial Services module, making this role ideal for an engineer with a security-first mindset and proven experience delivering secure, high-quality fintech applications that protect sensitive user data and financial transactions.

Key Responsibilities

Super App Architecture:

• Design and implement a modular, scalable Flutter architecture (micro-frontends or package-based approaches) enabling multiple teams to collaborate within a shared codebase
• Define architectural standards and best practices to support long-term scalability and maintainability

Fintech & Secure Feature Development:

• Build and maintain secure mobile features including digital wallets, payment flows, and transaction histories
• Ensure compliance with mobile security best practices across all financial components

Security Implementation:

• Implement advanced mobile security controls such as SSL pinning, root/jailbreak detection, encrypted local storage, and biometric authentication
• Proactively mitigate risks aligned with OWASP Mobile Top 10 standards

Performance & Quality:

• Optimize performance to ensure smooth 60 FPS experiences across a feature-rich application
• Champion clean architecture, state management best practices, and test-driven development

API & Platform Integration:

• Collaborate closely with backend teams to integrate RESTful and gRPC APIs, managing asynchronous data streams
• Implement native integrations via Android (Kotlin) and iOS (Swift) using Flutter Platform Channels when required

Delivery & Leadership:

• Advocate for code quality through unit and widget testing, peer reviews, and CI/CD pipelines
• Support and mentor engineers, contributing to a strong mobile engineering culture

Technical Requirements:

• 3+ years of professional Flutter & Dart experience (5+ years total mobile development experience)
• Proven experience building fintech, banking, or financial services applications
• Strong understanding of mobile security principles, including:
• OWASP Mobile Top 10
• OAuth2, JWT
• Encryption standards (AES / RSA)
• Experience with CI/CD pipelines (Codemagic, Bitrise, GitHub Actions)
• Solid understanding of mobile performance optimization and state management

Please apply to be contacted with further information.

Salt is acting as an Employment Business in relation to this vacancy.