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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. The Lead Java Developer is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities.
Job Responsibility:
Lead delivery of Real‑Time and On‑Demand Risk enhancements for the Credit Business by partnering directly with London‑based trading, MQA, Market Risk, and technology teams
Own the full development lifecycle: architecture, design, implementation, automated testing strategies, release execution, and ongoing production support
Drive alignment of RT/OD workflows with EOD Risk strategy, ensuring functional parity, reconciliation, and controlled cutover
Lead adoption and build‑out of RT/OD capabilities on strategic risk platform, including integration of new analytics, workflows, and risk datasets
Deliver significant performance improvements through optimized risk calculation strategies
Guide the migration of compute workloads to AWS, implementing best practices for scalability, throughput, resiliency, and cost efficiency
Collaborate actively with NAM and APAC teams in a follow‑the‑sun model to improve delivery velocity, reduce operational risk, and ensure rapid triage of production incidents
Provide user-facing updates, demos, documentation, and education to promote adoption and ensure successful rollout of new capabilities
Lead root cause analysis on production issues, drive long‑term stability improvements, and strengthen monitoring and observability across the platform.
Requirements:
Strong experience in Core Java, J2EE, Spring Framework
Exposure to Python scripting and data analysis
Experience in fast moving Capital Markets Front Office technology environment with experience in Fixed Income products
Working knowledge of Front Office Risk calculations, especially for Credit products
Experience in building highly scalable and distributed applications using Microservices, APIs, and Container technologies such as Docker, Kubernetes, OpenShift, etc.
Strong expertise in messaging technologies such as Kafka, JMS, gRPC etc
Proficient in latency measurement and performance optimization of Java based platforms with focus on JVM tuning
Experience with observability stacks like ELK, Prometheus, Grafana, Kiali, Jaeger etc.
Sound knowledge for persistence technologies such as relational databases, NoSQL databases, off heap storages and distributed caches
Hands-on knowledge of Linux / Unix
Experience working with senior Quants and Technology Managers
Good verbal and written communication
Bachelor's degree/University degree or equivalent experience
Nice to have:
Master's degree preferred
What we offer:
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