Java Developer with Kotlin (Prime Brokerage Technology)

Citi; Belfast City District; Hybrid; GBP 70,000 - 110,000; Full time

Benefits offered by this job

27 days annual leave

Discretional bonus

Private medical care

Life insurance

Employee assistance program

Pension plan

Parental leave

Learning resources

Job summary

Citi is hiring in Belfast for a Prime Brokerage technology role. You will engineer core components using Java/Kotlin and provide technical leadership on an agile team. You’ll drive quality, CI/CD, and modern DevOps practices while shaping architecture and documenting designs.

Join Citi to influence global finance with advanced technology, mentorship and growth opportunities, and potential hybrid work arrangements. A strong background in apps development and SME-level expertise is preferred.

Qualifications

• Bachelor’s degree or equivalent experience in a technical field.
• Strong programming in Java and/or Kotlin with TDD experience.
• Experience leading app development projects and agile teams.

Responsibilities

• Own and develop core components for the Prime Brokerage platform.
• Provide technical leadership to an agile team and establish best practices.
• Drive SDLC and DevOps improvements with metric-driven approaches.
• Lead architecture, design, planning and estimation discussions.
• Translate business requirements into technical specs and docs.
• Maintain project and technical documentation and mitigate risks.
• Improve production support, performance, and reliability.

Skills

Java

Kotlin

SDLC Leadership

DevOps Practices

Mentoring

Communication

Education

Bachelor’s degree or equivalent

Tools

Kubernetes

OpenShift

Kafka

SQL Server

Trino

Mongo

S3

OpenTelemetry

ELK

Grafana

Job description

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

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.

Prime Brokerage Technology

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 is a major growth target for Citi – with technology providing the key to unlock this potential.

Responsibilities

• Own and develop core components for the Prime Brokerage platform using Java/Kotlin.
• Provide technical leadership to an agile team, mentoring developers and establishing best practices for coding, testing, and CI/CD.
• Drive a culture of quality and continuous improvement in SDLC and DevOps, using metrics like DORA to boost efficiency.
• Lead system architecture, design, planning, and estimation discussions with technical teams and business stakeholders.
• Translate complex business requirements into detailed technical specifications.
• Oversee the creation and maintenance of all project and technical documentation.
• Proactively identify, mitigate, and solve complex risks throughout the software development lifecycle.
• Manage production support, analyze issue patterns, and lead efforts to improve system performance, scalability, and reliability.

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)

Recommended Qualifications

• Proven relevant experience in Apps Development or systems analysis role
• Extensive experience system analysis and in programming of software applications
• Experience in managing and implementing successful projects
• Subject Matter Expert (SME) in at least one area of Applications Development
• Ability to adjust priorities quickly as circumstances dictate
• Demonstrated leadership and project management skills
• Consistently demonstrates clear and concise written and verbal communication
• Bachelor’s degree/University degree or equivalent experience. Master’s degree preferred

What we’ll provide you

• 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.

Job Family Group

Technology

Job Family

Applications Development

Time Type

Full time

Citi is an equal opportunity employer

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.

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