**Job Summary** We are seeking a Sr. Developer with 6 to 10 years of experience to join our team in a hybrid work model. The ideal candidate will have expertise in React Native Rx JAVA Android Jetpack and Kotlin. Experience in the Payments domain is a plus. This role involves developing and optimizing mobile applications to enhance user experience and drive company success. **Responsibilities** + Develop and maintain high-quality mobile applications using React Native to ensure seamless user experience. + Collaborate with cross-functional teams to define design and ship new features that align with business goals. + Utilize Rx JAVA to implement reactive programming techniques for efficient data handling and processing. + Integrate Android Jetpack components to enhance application architecture and streamline development processes. + Write clean maintainable and efficient code in Kotlin to ensure application performance and scalability. + Conduct code reviews and provide constructive feedback to peers to maintain code quality standards. + Troubleshoot and debug applications to optimize performance and resolve any issues promptly. + Stay updated with the latest industry trends and technologies to incorporate innovative solutions into projects. + Work closely with the design team to ensure a cohesive and visually appealing user interface. + Implement best practices for mobile application security to protect user data and privacy. + Collaborate with QA teams to ensure thorough testing and quality assurance of applications. + Contribute to the continuous improvement of development processes and methodologies. + Support the deployment of applications to production environments and monitor performance post-launch. **Qualifications** + Demonstrated expertise in React Native for mobile application development. + Proficient in Rx JAVA for implementing reactive programming solutions. + Experienced in using Android Jetpack components for application architecture. + Skilled in Kotlin programming for developing efficient mobile applications. + Familiarity with the Payments domain is a plus. + Strong problem-solving skills and ability to work in a collaborative team environment. + Excellent communication skills to effectively convey technical concepts. **Certifications Required** Certified Android Developer React Native Certification Cognizant is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.