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Senior Java Developer

https://www.citi.com/ Logo

Citi

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Location:
United Kingdom, Belfast

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Category:
IT - Software Development

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Contract Type:
Employment contract

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Salary:

Not provided

Job Description:

Citi is a world-leading global bank. This role involves designing, building, and maintaining enterprise-level Java applications, leveraging Kubernetes, Kafka, and distributed cache, among other technologies, in an agile environment. The position includes collaborating with global teams to deliver cutting-edge solutions.

Job Responsibility:

  • Conduct tasks related to feasibility studies, time and cost estimates, IT planning, risk technology, applications development, model development, and establish and implement new or revised applications systems and programs to meet specific business needs or user areas
  • monitor and control all phases of development process and analysis, design, construction, testing, and implementation as well as provide user and operational support on applications to business users
  • utilize in-depth specialty knowledge of applications development to analyze complex problems/issues, provide evaluation of business process, system process, and industry standards, and make evaluative judgement
  • recommend and develop security measures in post implementation analysis of business usage to ensure successful system design and functionality
  • consult with users/clients and other technology groups on issues, recommend advanced programming solutions, and install and assist customer exposure systems
  • serve as advisor or coach to new or lower level analysts
  • act as SME to senior stakeholders and/or other team members
  • appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency

Requirements:

  • Significant level of relevant experience
  • experience in systems analysis and programming of software applications
  • experience in managing and implementing successful projects
  • working knowledge of consulting/project management techniques/methods
  • ability to work under pressure and manage deadlines or unexpected changes in expectations or requirements
  • significant experience as Java Developer and demonstratable exp in Java 8
  • experience working with Spring (Core, Integration, Batch)/Hibernate and Messaging technologies like MQ, KAFKA/ActiveMQ and proven experience with using them in a large scale environment
  • hands-on experience in building/deploying Microservices using ECS (Kubernetes/Openshift), i:e Containerize Java applications using Docker and deploy them to Kubernetes environments and monitor/manage through Openshift
  • knowledge of SQL in the context of a major RDBMS such as DB2, Oracle
  • exposure and hands-on in Microservices, Distributed Cache (REDIS, Couchbase) and Cloud technologies
  • good to have knowledge and experience in Big data – HBASE and Impala concepts
  • experienced with XML parsing (including schemas), JSON and third-party libraries like Gauva, lombok
  • implement Kafka consumers and producers, configure Kafka clusters, and integrate Kafka into Java applications
  • methodologies - Agile, Waterfall, Test Driven Development
  • tools – Git, IntelliJ IDEA, Eclipse, Maven, TeamCity, Jenkins, JIRA and automated testing tools like Junit
  • excellent project management, time management, verbal and written communications skills, as the job entails simultaneously managing multiple projects with internal and external stakeholders
  • proactive attitude, ability to run projects with minimal direction given the geographically distributed nature of the team

Nice to have:

Knowledge and experience in Big data – HBASE and Impala concepts

Additional Information:

Job Posted:
August 20, 2025

Employment Type:
Fulltime
Work Type:
On-site work
Job Link Share:
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