By Joining Citi, you will become part of a global organisation whose mission is to serve as a trusted partner to our clients by responsibly providing financial services that enable growth and economic progress. We are looking for a Senior Java developer to join our growing team in Citigroup Belfast NI. A successful applicant will be responsible for building out the firm's strategic reference data platforms used by the Institutional Clients Group with in Citi. They will take ownership of key projects and components and will be responsible for all phases of the SDLC including analysis and design, development, testing and deployment. As a senior developer, the candidate will be responsible for providing technical guidance to junior developers, including overseeing their deliverables, provide architectural guidance, enforce Citi best practices, and conduct code reviews. A potential candidate will need to understand system and enterprise architecture concepts and will be expected to understand how all components fit together and impact one another. They will work with a global and diverse team of peers as well as liaise closely with Business Analyst, Production Support, and Infrastructure teams. Required skills: Experience with the following technologies: Java (Core, JDBC, Collections, I/O), Spring Boot ; Exposure to SQL/PL-SQL on Oracle DB REST web services Unix commands and Korn shell scripting; Familiarity with standard data structures and algorithms; Logical thinking, s trong analytical and problem solving skills; innovative and solutions oriented Effective time management skills to manage multiple priorities Excellent verbal and written communication skills Ability to work under pressure and manage deadlines or unexpected changes in expectations or requirements Substantial application development experience Bachelor's Degree in Computer Science or Engineering Responsibilities : Deliver assigned development projects within agreed schedule, quality and scope expectations Participate in all stages of the SDLC within an agile Scrum environment Form partnership with technology vendors and gain deep understanding of products Interact with senior management to define and drive architectural direction Interact with PMO and translate reported problems/issu es into JIRA items to implement Enhance/Re-architect existing components to satisfy new requirements in terms of performance and scalability Produce visual representations for Software design s Provide level 3 (escalation) support for the application Preferred Skills and Experience: Experience working with the Scrum methodology Experience in developing with Redis Experience designing and implementing microservices Financial services technology experience preferably in reference data domain Physical and logical data modeling Experience using the following - JIRA, uDeploy, Sonarqube, TeamCity, Artifactory, Git ( BitBucket ), Openshift What we'll provide you By joining Citi, you 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: 27 days annual leave (plus bank holidays) A discretional annual performance related bonus Private Medical Care & Life Insurance Employee Assistance Program Pension Plan Paid Parental Leave Special discounts for employees, family, and friends Access to an array of learning and development resources Visit ourGlobal Benefitspage 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.