**Senior Java Developer** The Technical Lead role is pivotal in driving the development and implementation of advanced Java-based solutions within the international and electronic payments domain. With a hybrid work model and day shift the candidate will apply their expertise in Java technologies to improve payment systems ensuring seamless transactions and robust security. This position requires a proven ability focusing on delivering high-quality software solutions that align with business objective **In this** **role, you** **will** + Lead the design and development of Java-based applications ensuring high performance and responsiveness in payment systems. + Oversee the integration of REST Web APIs to facilitate secure and efficient communication between systems. + Offer technical expertise in Java Message Service to improve processing capabilities for messages. + Implement Java Collection frameworks to optimize data handling and storage solutions. + Apply Java Caching System to improve application speed and efficiency. + Ensure compatibility and functionality across Java 8 and Java 11 environments. + Develop and maintain core Java components to support business-critical applications. + Apply advanced Java techniques to solve complex problems and improve system reliability. + Collaborate with multi-functional teams to align technical solutions with business requirements. + Drive innovation in electronic and international payment solutions enhancing user experience and security. + Monitor and fix application performance implementing necessary improvements. + Mentor junior developers fostering a culture of continuous learning and improvement. + Engage in code reviews to ensure alignment with coding standards and practices. **What** **you’ll** **need to succeed (required** **skills)** + Possess strong proficiency in Java REST Web API Java Message Service and Java Collection frameworks. + Demonstrate expertise in Java Caching System and advanced Java techniques. + Have substantial experience in international and electronic payments domains. + Exhibit excellent interpersonal skills in English both written and spoken. + Show ability to work effectively in a hybrid work model adapting to changing environments. + Display a proactive approach to problem-solving and innovation in payment systems. At Cognizant, we're eager to meet people who believe in our mission and can make an impact in various ways. We strongly encourage you to apply even if you only meet the required skills listed. Consider what transferrable experience and skills make you a unique applicant and help us see how you'd be beneficial to this role. Cognizant will only consider applicants for this position who are legally authorized to work in Canada without requiring employer sponsorship, now or at any time in the future. **Working arrangements** We believe hybrid work is the way forward as we strive to provide flexibility wherever possible. Based on this role’s business requirements, this is a hybrid position requiring 2-3 days a week in a client office in Toronto, ON. Regardless of your working arrangement, we are here to support a healthy work-life balance though our various wellbeing programs. The working arrangements for this role are accurate as of the date of posting. This may change based on the project you’re engaged in, as well as business and client requirements. 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.