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Citi

Senior Java Applications Developer

Posted Yesterday
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In-Office
Belfast, County Antrim, Northern Ireland, GBR
Senior level
In-Office
Belfast, County Antrim, Northern Ireland, GBR
Senior level
Develop and maintain Java/J2EE microservices using Spring Boot, RESTful services, SQL, and modern software engineering practices. Build reliable applications, optimize queries, contribute to CI/CD pipelines, manage source code, enforce code quality, and implement comprehensive testing. Analyze complex technical problems and collaborate with application development teams in a financial services environment.
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About the team:


Event Master Central is Citi’s centralized corporate action event repository and distribution platform that consolidates corporate action announcements and notifications from various vendors with cross-business operational process. As a critical pillar within the Master Reference Data (MRD) and the broader Citi Enterprise Data Organization (EDO), our team is responsible for modernizing and managing the end-to-end lifecycle of corporate Action events across the enterprise.


What you will do:

  • Develop and implement complex software solutions using Java/J2EE, Spring Boot, and RESTful web services.
  • Design, develop, and maintain robust microservices adhering to architectural best practices.
  • Apply hands-on expertise in Core Java, including multi-threading and the Collections framework.
  • Utilize Spring Framework effectively for application development.
  • Work extensively in creating and optimizing SQL queries.
  • Ensure adherence to software engineering best practices, object-oriented programming (OOP) principles, and design patterns.
  • Contribute to the continuous integration and continuous delivery (CI/CD) pipelines.
  • Manage source code effectively using tools such as Git or Bitbucket.
  • Promote and apply clean coding principles and maintain high quality using tools like Sonar.
  • Design and implement comprehensive unit, integration, and functional tests to ensure solution quality.
  • Analyze and solve complex technical problems efficiently.
  • Work with a team of application developers, fostering a culture of excellence, collaboration, and continuous improvement.

Key Skills and Experience required:

  • Experience in developing and implementing complex software solutions.
  • Strong knowledge of Java/J2EE, Spring Boot, and RESTful web services (XML, JSON).
  • Proven experience working with Microservices Architecture.
  • Hands-on experience with Core Java, Multi-threading, Collections framework, and Spring Framework.
  • Solid understanding of software engineering best practices, OOP, design patterns, and CI/CD pipelines.
  • Experience with source code management tools (Git).
  • Understanding of clean coding principles and code quality measurements using tools like Sonar.
  • Demonstrated ability to design and implement unit, integration, and functional tests.
  • A strong, solution-driven mindset with the ability to analyze complex problems, devise strategic solutions, and lead their implementation.
  • Good written and verbal communication skills.

Advantages:

  • Experience with AI technology (Devin, Co Pilot)
  • Understanding of Cloud-native development principles.
  • Experience with Container Orchestration tools (Docker, Kubernetes, OpenShift, etc.).
  • Proficiency in using Jira for tracking tasks, managing backlogs, and participating in sprint cycles.

What we can offer:


At Citi, you will work at the intersection of data, finance, and commercial strategy, contributing to decisions that have real impact across a global organization. This role offers meaningful autonomy, cross-functional collaboration, and the opportunity to grow your analytical and governance expertise within a high-performing team.

  • A hybrid working model with 3 days in the office and 2 days working remotely, giving you flexibility alongside team connection.
  • Exposure to complex, high-value commercial and financial decisions that directly shape vendor strategy at a global scale.
  • Access to learning and development resources that support your growth in data analytics, financial governance, and emerging technologies.
  • The opportunity to work across finance, sourcing, and technology functions, broadening your professional network and cross-functional expertise.
  • Wellbeing support and work-life balance initiatives designed to help you perform at your best.
  • Competitive financial benefits and a rewards package aligned to your experience and contribution.

Apply today to bring your data and governance expertise to a role where your analysis shapes commercial outcomes at one of the world's leading financial institutions.


If you are a highly motivated, results-oriented individual with a passion for technology risk management, we encourage you to apply!

#LI-OD1


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Job Family Group: Technology

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Job Family:Applications Development

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Time Type:Full time

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Most Relevant Skills Please see the requirements listed above.

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Other Relevant Skills For complementary skills, please see above and/or contact the recruiter.

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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.

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