The primary objective of a Senior Android Developer is to design, develop, and maintain high-quality Android applications with a focus on performance, security, and user experience. This role plays a crucial part in building robust mobile solutions, integrating backend services, and ensuring smooth financial transactions, particularly in payment systems. The developer collaborates with cross-functional teams to deliver seamless and efficient mobile applications.

Key Responsibilities

• Develop and maintain Android applications using Java, following best coding practices.
• Implement layered software architecture using MVC/MVVM design patterns.
• Design and develop custom frameworks and SDKs for Android applications.
• Ensure smooth frontend (UI) and backend integration, including third-party service integrations.
• Optimize applications for performance, security, and usability.
• Conduct unit testing, integration testing, and code reviews to maintain software quality.
• Utilize version control systems like Git/Bitbucket and collaborate through tools like Jira and Confluence.
• Follow secure coding practices in compliance with PCI DSS standards.
• Work with financial messaging standards such as ISO8583 and banking transaction flows.
• Develop applications for POS devices and implement EMV payment processes.
• Participate in Agile/Scrum methodologies, including sprint planning, stand-ups, and retrospectives.

Educational Qualifications

• Bachelor's or Master’s degree in Computer Science, Software Engineering, or a related field.

Competencies

• 4+ years of experience in Android application development.
• Strong proficiency in Java for Android development.
• Knowledge of software architecture patterns, including MVC and MVVM.
• Experience in SDK and framework development.
• Strong understanding of UX and design principles for mobile applications.
• Experience working with version control systems and Agile development methodologies.
• Familiarity with POS devices, payment systems, and EMV processes.
• Understanding of financial messaging protocols like ISO8583.
• Strong analytical and problem-solving skills.
• Excellent communication and teamwork abilities.

Nice to Have:

• Experience with Kotlin for Android development.
• Knowledge of ECR devices, ECR integration models, and e-document processes.
• Familiarity with PCI-PTS rules for POS devices.