Engineer the future of global finance. At Citi, our Tech team doesn't just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech.Architect and Lead the Future of Fintech.Citi seeks a highly experienced and driven Senior Technical Lead to spearhead the re-engineering of a critical client-server application within our Issuer Services domain. This high-impact role offers the opportunity to shape the technical vision and lead the development of innovative solutions for a leading global financial institution. Following the re-engineering effort, you will guide the team in delivering continuous business improvements and enhancements to the platform.Responsibilities:Provide hands-on technical leadership and architectural direction for the re-engineering of a mission-critical Issuer Services application.Design and implement robust, scalable, and performant solutions using Java, Spring Boot, and modern web technologies.Lead and mentor a team of developers, fostering a culture of collaboration, innovation, and technical excellence.Collaborate closely with product owners and stakeholders to translate business requirements into well-defined technical solutions.Drive the adoption of modern software development methodologies, including Agile, DevOps, and CI/CD.Proactively identify and mitigate technical risks, ensuring the timely and successful delivery of projects.Contribute to the continuous improvement of development processes and tools.Champion the use of cutting-edge technologies and best practices.Qualifications:Bachelor's or Master's degree in Computer Science or a related field.Significant years of hands-on software development experience, with a deep understanding of Java, Spring Boot, and related technologies and experience in a technical leadership role, leading and mentoring development teams.Proven experience architecting and delivering complex software solutions in an enterprise environment.Strong understanding of object-oriented design principles, design patterns, data structures, and algorithms.Extensive experience with RESTful APIs, microservices architecture, and database technologies (SQL and NoSQL).Experience with modern web technologies (Angular or similar frameworks is a plus).Familiarity with DevOps practices and tools (e.g., CI/CD, Docker, Kubernetes).Excellent communication, interpersonal, and collaboration skills.Experience in the financial services industry is highly desirable.Why choose us?Opportunity to lead a high-impact, transformative project.Collaborative and supportive work environment.Mentorship and career development opportunities within a leading global bank.What we can offer you:By joining Citi Dublin, will not only be part of a business casual workplace with a hybrid working model (up to 2 days working at home per week), but also receive a competitive base salary (which is annually reviewed), and enjoy a whole host of additional benefits such as:Generous annual leave (plus bank holidays)A discretional annual performance related bonusPrivate Medical Care & Life InsuranceEmployee Assistance ProgramPension PlanPaid Parental LeaveSpecial discounts for employees, family, and friendsAccess to an array of learning and development resourcesVisit our Global Benefits page to learn more.Alongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self, every day. We want the best talent around the world to be energized to join us, motivated to stay and empowered to thrive. Job Family Group: Technology Job Family:Applications Development Time Type:Full time Most Relevant Skills Please see the requirements listed above. Other Relevant Skills For complementary skills, please see above and/or contact the recruiter. Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi.View Citi's EEO Policy Statement and the Know Your Rights poster.