???? Key Responsibilities
• Design, develop, and maintain cross-platform applications using Flutter for mobile, web, and PWA.
• Build and manage backend services and APIs using Kotlin with Spring Boot.
• Implement secure and scalable architectures for financial transactions, payments, and device integrations.
• Integrate third-party services such as PSPs, bank APIs, and hardware SDKs (e.g., PAX, Newland, Nexgo).
• Develop and maintain databases, caching, and messaging systems (PostgreSQL, Redis, Kafka).
• Ensure compliance with security and data protection standards (PCI, GDPR).
• Conduct code reviews, performance optimization, and enforce best practices in CI/CD pipelines.
• Provide technical leadership and mentorship to junior developers.