Java Technical Lead Job at Citi (Belfast, Northern Ireland)

Java Technical Lead

Citi

Location:
United Kingdom , Belfast, Northern Ireland

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

We are looking for a Java Technical Lead with proven experience building robust, high-performance, large scale Capital Markets applications. The Derivatives Credit Risk Technology Team is responsible for delivering Counterparty Credit Risk Management software solutions to Citi’s Risk organization which manages Citi’s exposure to financial institutions, governments and corporates that trade with Citi. The team builds and maintains software used to compute metrics that help mitigate Citi’s exposure to counterparty default. The solutions include consumption of trades, collateral, market data, counterparty and security reference data from over 50 sources, and the computation of optimal margin allocation for portfolios and trades, haircut for security and cash collateral, trade and collateral liquidity, collateral concentration levels and wrong way risk, amongst others that feed into the computation of Pre-Settlement Risk (PSE), Settlement Risk, Exposure at Default (EAD) and Risk Weighted Assets (RWA).

Job Responsibility:

Deliver advanced technology projects as an individual contributor providing expertise in the full software development lifecycle, from concept and design, development, to testing and deployment
Provide technical leadership on projects implemented by the wider team of Software Engineers/Analyst Developers using advanced knowledge of application development
Ensure application design adheres to the appropriate architectural and design patterns in the systems
Utilize advanced knowledge of engineering process and develop standards for coding, testing, debugging and productionization
Collaborate effectively with a large global team of software engineers, business analysts, dev-ops and support staff to deliver software solutions for the business
Advance the derivatives exposure processing software infrastructure by continuously adopting new technologies where appropriate to solve business problems while adhering to Citi’s architectural guidelines
Serve as advisor or coach to mid-level/junior developers and analysts, helping build the overall engineering capabilities of the team
Appropriately assess risk when decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets

Requirements:

Core Java experience developing robust, scalable, and maintainable applications applying Object Oriented Design principles
Experience working in the Capital Markets domain
Good understanding of Derivatives and Risk management is a significant advantage
Experience with Agile software development processes with a strong emphasis on test driven development
Understanding of Java internals such as class loading and memory management
Demonstrated capacity to build sophisticated tooling for development and production team use
Extensive experience working with most if not all the technologies listed below: Java Core with extensive hands-on experience with concurrent programming
Spring Framework including Core, Integration, Batch, JDBC, Hibernate
Distributed Caching frameworks such as Gemfire, Oracle Coherence, Redis or equivalent
Cloud computing technologies with practical experience working with containers, microservices and large datasets (Docker, Kubernetes)
Databases - RDBMS preferably Oracle, NoSQL preferably MongoDB
Familiarity with Linux environment including scripting skills
SDLC/Dev Ops - Git/BitBucket, CI/CD pipeline frameworks such as Jenkins, SonarQube, JIRA, Any secure coding toolkits
Graduate in a STEM (Science, Technology, Engineering and Mathematics) discipline
Excellent oral and written English
Strong leadership
Ability to collaborate effectively in a large global team and influence key architectural decision
Ability to work well under pressure

Nice to have:

Experience re-engineering large monolithic applications to microservices
Experience re-engineering complex franchise critical applications to new platforms
Master’s degree

Additional Information:

Job Posted:
May 17, 2026

Employment Type:

Fulltime

Work Type:

Hybrid work

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