Java Developer (AVP)

Posted Yesterday
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Belfast, County Antrim, Northern Ireland, GBR
In-Office
Senior level
Fintech • Financial Services
The Role
Develop, maintain, and support a Java-based global transaction reference platform. Build APIs, messaging integrations, and distributed systems; troubleshoot production issues; improve architecture and SDLC with containers, CI/CD, and AI-assisted tooling; collaborate across teams and provide documentation to meet performance and scalability targets.
Summary Generated by Built In

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 de
    sign 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

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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.

Skills Required

  • Strong commercial experience as a Java developer
  • Experience in REST API and authentication mechanisms (OAuth/Basic Authentication)
  • Messaging systems experience (Kafka preferred, NATS, Solace, TIBCO, RabbitMQ)
  • Experience working with SQL and databases such as Oracle, SQL Server, Hadoop
  • Experience with Java Multithreading/Concurrency
  • Experience with Web Services (SOAP/REST)
  • Experience with DB2 Database
  • Experience with JMS, MQ, NDM, SFTP
  • Experience in developing distributed systems
  • Experience in the use of Containers (Docker, Kubernetes)
  • Acquainted with industry best practices, software development tools and techniques
  • Comfortable using AI-based coding assistants and AI-powered SDLC processes
  • Bachelor's degree in Computer Science, Engineering, Information Technology or similar
  • Experience in Low Latency software development, high-performance microservices architectures
  • Experience in C++ or C#
  • Experience with SBE (Simple Binary Encoding)
  • Experience with JNI
  • Ability to work with distributed teams across multiple time zones

Citi Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Citi and has not been reviewed or approved by Citi.

  • Healthcare Strength Benefits coverage is positioned as comprehensive, including health, dental, and vision insurance plus on-site clinics, prescription drug support, and disability coverage. Family-building support such as fertility assistance is described as a notable differentiator within the overall package.
  • Retirement Support Retirement benefits are framed as strong, highlighted by a 401(k) with matching and additional plan options like a Roth 401(k). Financial support is reinforced through discounts and broader financial guidance resources tied to the benefits ecosystem.
  • Wellbeing & Lifestyle Benefits Wellbeing support extends beyond insurance through programs like an Employee Assistance Program, counseling/legal resources, and gym or wellness reimbursement. These offerings increase the perceived total rewards value even when cash compensation sentiment varies by role.

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The Company
HQ: Kwun Tong, Kowloon
223,850 Employees

What We Do

Citi's mission is to serve as a trusted partner to our clients by responsibly providing financial services that enable growth and economic progress. Our core activities are safeguarding assets, lending money, making payments and accessing the capital markets on behalf of our clients. We have 200 years of experience helping our clients meet the world's toughest challenges and embrace its greatest opportunities. We are Citi, the global bank – an institution connecting millions of people across hundreds of countries and cities.

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