Skip to main content
Team members enjoying time outside
Join Our Team

Java (and or Kotlin) Agile Developer (Belfast) – Officer

Job Req Id:
25887623
Location(s):
Belfast, United Kingdom
Job Type:
On-Site/Resident
Posted:
Jul. 24, 2025

Discover your future at Citi

Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact.

Job Overview

Java (and or Kotlin) Agile Developer (Belfast) – Officer

Are you passionate about engineering, testing, automation and building high-quality software? Can you work across diverse teams to spread your passion and experience to raise the bar for everyone? Do you enjoy working in a collaborative Agile environment and seeing the applications that you build making users happy? If you are excited about technical leadership, then this is the ideal role for you.

Prime Brokerage Technology provides solutions that underpin the operations of our clients and traders that provide the foundation of our Prime Finance business.  This is an area of great opportunity and has been identified as a major growth target for Citi – with technology providing the key to unlock this potential.

Key Responsibilities:

  • Delivery of Swap Processing components (Java/Kotlin) within the Strategic Swaps Platform
  • Developer-led automated testing with a focus on Test Driven Development
  • Working within an Agile team focussed on Continuous Integration(CI) and Continuous Deployment(CD)
  • Participation in design, planning and estimation discussions within the team
  • Perform detailed analysis of assigned work, breaking work into individual technical tasks.
  • Create and maintain project and technical documentation
  • Partner with management team to ensure appropriate integration of functions to meet goals as well as identify and define necessary system enhancements to deploy new products and process improvements
  • Identify opportunities for continuous quality improvement of technical standards and methodologies
  • Partner with technical leadership to resolve variety of high impact problems/projects through in-depth evaluation of complex business processes, system processes, and industry standards
  • Apply fundamental knowledge of applications programming and ensure application design adheres to the overall architecture blueprint
  • Utilize knowledge of system flow and develop standards for coding, testing, debugging, and implementation
  • Develop comprehensive knowledge of how areas of business, such as architecture and infrastructure, integrate to accomplish business goals
  • Assist in production support by working closely with operations and business teams. Participate in support rotations to diagnose and resolve escalated issues. Contribute to documentation and post-mortem reviews. Implement software enhancements to resolve root-causes and improve reliability, performance and scalability.
  • Partner with technical leadership and serve as advisor or coach to junior-level developers, analysts and grads.

Knowledge/Experience:

  • Experience in systems analysis and programming of software applications
  • Experience in 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

Technical Experience:

  • Java & Test-Driven Development are essential.

Experience in any number of additional technologies (listed below) is advantageous:

  • Kotlin
  • Cloud Technologies (Kubernetes, Open Shift)
  • Messaging Technologies (Kafka, Solace, TIBCO)
  • Database / Data Store / Data Query Technologies (SQL Server, Trino, Mongo, S3)
  • Observability Technologies (OpenTelemetry, Elastic Stack / ELK, Grafana)

Desirable Criteria:

  • Background of delivering software using an iterative Agile approach.
  • Previous experience and knowledge of Swaps or Prime Brokerage offerings

This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.

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 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.

#LI-AP2

------------------------------------------------------

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.

A man walks his dog, enjoying a well-earned break from work.

Global Benefits

Discover the top benefits offered to our global workforce, designed to support your well-being, growth and work-life balance. Explore a few of the highlights that make working with us rewarding.

Learn More

A woman enjoying work-life balance with her family

Explore More Jobs

  • Group of young professionals in an office setting

    Early Careers Talent Network

    Sign up to receive personalized job matches based on your skills and interests. We'll help you discover opportunities that align with your goals.

    Discover More

  • Four coworkers walking down stairs and talking

    Career Professionals Talent Network

    Sign up to receive tailored job matches based on your skills and experience. Discover opportunities that align with your ambitions.

    Discover More