Senior Java Developer (AVP)

Citi; Belfast City District; On-site; GBP 55,000 - 75,000; Full time

Benefits offered by this job

27 days annual leave

Discretionary annual bonus

Private Medical Care & Life Insurance

Employee Assistance Program

Pension Plan

Parental Leave

Job summary

Citi is hiring a Java developer to help engineer the future of global finance from the Belfast area. You will build and maintain Java applications, work on trading platform monitoring, and participate in design sessions with a global team.

The role emphasizes CI/CD, performance, and scalable systems in a hybrid setup with up to two days remote work. Ideal candidates have strong Java development experience, REST API expertise, and familiarity with distributed systems and containers

Qualifications

• Bachelor’s degree in Computer Science, Engineering or a related field.
• Strong Java development experience in financial services.
• Experience with REST APIs and authentication mechanisms.

Responsibilities

• Platform support & enhancement for trading-related applications.
• Develop and maintain Java-based services across multiple locations.
• Collaborate in Agile SDLC and adopt new tools to improve delivery.

Skills

Java development

REST API

SQL & databases

Multithreading / Concurrency

Distributed systems

Team collaboration

Education

Bachelor’s degree in CS/Engineering

Tools

Docker

Kubernetes

Apache Kafka

NATS

RabbitMQ

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.

Project description

Unity is the global authority for business transactions across Citi, covering transactions across all asset classes in capital markets, commercial payments, account management and more. At its core Unity provides a unique reference that keeps with a transaction for its entire lifetime thereby allowing full traceability from front office to back office providing great business benefit.

This role is for a developer position responsible for accomplishing results through hands on development/bug fixes of our Java application. The overall objective of this role is to drive applications development through programming activities.

Responsibilities

• Platform Support & Enhancement: Build and maintain common solutions for trading platform monitoring, trade reconciliation, application recovery, and other essential support functions.
• Core Development: Participate in design sessions with the development team, both employees and vendors located across multiple locations
• Agile SDLC pipeline: Evaluate and adopt new development tools, libraries, and approaches to improve delivery quality by aligning with latest industry trends
• Continuous Improvement: Analyze existing software systems and propose solutions to improve overall design, architecture, and efficiency
• Cross functional Collaboration: Communicate with stakeholders to help shape requirements and design decisions
• Liasing with production support teams in troubleshooting and debugging applications
• Ensure that best practices and standards are followed as part of the application development life cycle.
• Provide user/support documentation
• Ensure applications meet performance and scalability requirements
• Comfortable in using AI based coding assistants and AI powered SDLC processes

Mandatory Skills

• Strong commercial experience as a Java developer. This will be tested during interview stage
• Experience in REST API and authentication mechanisms (OAuth/Basic Authentication)
• Messaging Systems experience in any of the following middleware technologies (Kafka preferrable, Nats, Solace, TiBCo, RabbitMQ etc.)
• Experience working with SQL and databases such as Oracle, SQL Server, Hadoop etc.
• Experience with Java Multithreading/Concurrency, Web Services (SOAP/REST), DB2 Database, JMS, MQ, NDM, SFTP
• Acquainted with industry best practices and standards, software development tools and techniques
• Experience in developing distributed systems
• Experience in the use of Containers (Docker, Kubernetes)

Desirable skills

• Experience in Low Latency Software Development in a microservices environment high performance architectures and high throughput applications is a plus
• Experience in C++ or C# is beneficial
• Experience in SBE
• Experience with JNI is a plus
• Ability to work with distributed teams across multiple time zones

Education

• Bachelor’s degree in Computer Science, Engineering, Information Technology or similar discipline

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-MR7

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.