Equities Technology at Citi is undertaking a bold, multi‑year transformation to build a best‑in‑class global platform across execution, prime, clearing and cross‑product margining. We are re‑engineering our technology estate to achieve world‑leading performance and resiliency, enabling new capabilities in advanced execution, global market connectivity, and modernised post‑trade, clearing and margin processes. Our ambition is to deliver a seamlessly integrated, highly automated platform that drives outstanding client outcomes and accelerates growth across our global franchise. As part of the team, you’ll collaborate closely with high‑calibre engineers and deeply engaged business and product partners - working together to define and deliver the next generation of Equities technology at Citi.

We are seeking a highly skilled and experienced Java Developer to join our Equities Electronic Trading team. This is a VP-level position responsible for the design, development, and optimization of our core low-latency execution platform. The overall objective of this role is to drive the technical implementation and innovation of critical electronic trading applications and components, utilizing modern, high-performance Java and a microservices-based architecture.

Responsibilities:

1. Take a leading role in the design, development, and optimization of high-performance, low-latency microservices and applications that form the core of our electronic trading platform.
2. Implement and enhance complex trading logic, performance optimizations, and system enhancements to ensure the stability, scalability, and efficiency of our execution systems.
3. Participate in and lead technical design discussions and conduct rigorous code reviews to ensure the highest standards of quality, performance, and architectural integrity.
4. Partner with product development, quantitative researchers, and other technology teams to deliver new trading capabilities and enhance existing systems.
5. Drive continuous improvement initiatives in testing frameworks, development tools, and deployment processes for our low-latency and high-throughput environment.
6. Resolve complex technical challenges through in-depth analysis of business requirements, system processes, and industry best practices.
7. Apply expert knowledge of system architecture, data flow, and development standards for coding, testing, debugging, and implementation.
8. Build and maintain robust solutions for trading platform monitoring, trade reconciliation, and application recovery.
9. Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency.

Qualifications:

1. 5+ years of hands-on experience in software development with a strong focus on high-performance, low-latency systems.
2. Expert-level technical knowledge in Core Java, including a deep understanding of JVM internals, concurrency, garbage collection, and memory management in a low-latency context.
3. Proven experience designing and developing automated trading systems or electronic execution platforms in Equities or other similar financial domains.
4. Solid understanding of financial market protocols (e.g., FIX) and practical experience handling order and market datasets.
5. Experience with microservices architecture and developing distributed systems.
6. Demonstrable experience with modern testing frameworks, Agile methodologies, and Continuous Integration/Continuous Delivery (CI/CD) processes.
7. Excellent communication skills with a demonstrable ability to present and grasp complex technical and business concepts.
8. Familiarity with messaging and data grid technologies (e.g., Solace, AMPS, Chronicle) and infrastructure automation tools (e.g., Ansible) is a plus.
9. Bachelor’s degree/University degree or equivalent experience; Master’s degree preferred.