Senior Software Engineer (Android)

Why Verifone

For more than 30 years Verifone has established a remarkable record of leadership in the electronic payment technology industry. Verifone has one of the leading electronic payment solutions brands and is one of the largest providers of electronic payment systems worldwide.

Verifone has a diverse, dynamic and fast paced work environment in which employees are focused on results and have opportunities to excel. We take pride in the fact that we work with leading retailers, merchants, banks, and third party partners to invent and deliver innovative payments solution around the world. We strive for excellence in our products and services, and are obsessed with customer happiness. Across the globe, Verifone employees are leading the payments industry through experience, innovation, and an ambitious spirit. Whether it’s developing the next platform of secure payment systems or searching for new ways to bring electronic payments to new markets, the team at Verifone is dedicated to the success of our customers, partners and investors. It is this passion for innovation that drives each one of our employees for personal and professional success.

About the role

We are looking for an experienced Senior Android Developer to design, develop, and maintain high-performance Point-of-Sale (POS) terminal solutions. The ideal candidate will have expertise in Java, a strong grasp of Kotlin concepts, and a background in developing secure and scalable payment applications. This role involves leading development efforts, mentoring junior developers, and ensuring best practices in mobile application architecture. 

What you’ll do 

• Design, develop, test, automate and maintain Payment applications on Android based POS devices using Java. 
• Implement Kotlin concepts to support modern Android development practices and future system upgrades. 
• Apply concepts of domain engineering to maximize reusability among a family of Android POS devices. 
• Collaborate with cross-functional teams to define, design, and deliver new applications/features. 
• Write clean, scalable, and efficient code while following best coding practices. 
• Optimize application performance, memory usage, and battery efficiency. 
• Ensure high-quality UI/UX implementation in collaboration with designers. 
• Debug and resolve software defects, ensuring application stability. 
• Implement and maintain MVVM/MVP architecture and dependency injection frameworks like Dagger/Hilt. 
• Integrate RESTful APIs, third-party services, and networking components into mobile applications. 
• Stay updated with the latest Android trends, frameworks, and best practices. 
• Mentor and guide junior developers in coding, design, and development methodologies. 
• Participate in code reviews, sprint planning, and Agile development processes. 

What qualifications will you need to be successful?

• 6+ years of experience in Android development. 
• Strong proficiency in Java with a solid understanding of Kotlin concepts 
• Strong knowledge of architectural patterns such as MVVM, MVP, or Clean Architecture 
• Experience with modularization, dependency injection (e.g., Dagger or Hilt), and reactive programming (e.g., RxJava, Coroutines/Flows). 
• Proficiency in Git, CI/CD pipelines, and Agile methodologies. 
• Strong knowledge of networking concepts, including TCP/IP, HTTP, HTTPS, Web Sockets, and SSL/TLS. 
• Experience integrating secure authentication mechanisms, such as OAuth, JWT, and token-based authentication. 
• Strong debugging and performance optimization skills. 
• Knowledge of unit testing and automation testing frameworks (JUnit, Espresso, Mockito). 
• Excellent problem-solving, analytical, and communication skills. 
• Knowledge of software quality metrics and mechanisms to implement and monitor them. 
• Knowledge of patterns for software architecture and design. 
• Strong knowledge of Object-Oriented concepts and software components. 

Our commitment

Verifone is committed to creating a diverse environment and is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. Verifone is also committed to compliance with all fair employment practices regarding citizenship and immigration status.