Java Developer with Kotlin (Prime Brokerage Technology)

Citigroup Inc.; Belfast City District; Hybrid; GBP 75,000 - 110,000; Full time

Benefits offered by this job

27 days annual leave

Discretional annual bonus

Private Medical Care & Life Insurance

Employee Assistance Program

Pension Plan

Paid Parental Leave

Employee discounts

Job summary

Citi Technology in the UK is seeking an experienced software engineer to join the Prime Brokerage team. You will own core components, mentor an agile group, and push quality through SDLC and DevOps practices while shaping system architecture.

The role offers hybrid work with up to 2 days at home per week, a path to influence global finance, and the opportunity to work with Java/Kotlin, cloud technologies and modern data solutions, while collaborating with business stakeholders.

Qualifications

• Bachelor’s degree in a relevant field or equivalent experience.
• Proven relevant experience in Apps Development or systems analysis.
• Leadership and project management skills.
• Strong communication and stakeholder management.

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 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.

Skills

Java

Test-Driven Development

Kotlin

Cloud (Kubernetes/OpenShift)

Kafka

SQL/NoSQL

Observability

Education

Bachelor’s degree or higher in Computer Science or related field

Tools

OpenShift

Kafka

ELK Stack

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 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

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.

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.

View Citi’s EEO Policy Statement and the Know Your Rights poster.

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