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Senior Back-End Java Developer — Trading Platforms

CitiGroupBrooklyn, NYL6 LeadSeptember 15th, 2026
Overview As Apps Development Senior Manager, you will lead engineering delivery for the Trade Manager Zone platform within Cash Securities Settlements, powering high-throughput equity settlements. You’ll drive architectural excellence, modern delivery practices, and AI-driven transformation to improve quality and speed. You will embed AI/GenAI capabilities across development, testing, and operations while maintaining rigorous regulatory standards. This role blends hands-on coding with strategic leadership to scale a mission-critical financial platform and mentor a team of engineers. Compensation / Benefitsmedical, dental & vision coverage401(k)life insuranceaccident and disability insurancewellness programspaid time off and holidays ResponsibilitiesArchitect, design, and maintain scalable, low-latency settlement systems for equity tradesLead real-time, high-throughput engineering across global markets with fault-tolerant architecturesChampion AI-assisted development, GenAI tooling, and trunk-based CI/CDDrive TDD/BDD, automated testing, secure coding, and AI-powered quality toolingEmbed AI/ML capabilities into platform operations, including anomaly detection and automated reconciliationMentor engineers, run architecture reviews, and manage delivery commitments for TMZCollaborate with product, operations, and DevOps to ensure SLA/SLO targets and production resilienceLead modernization efforts for maintainability, scalability, and data integrity Key requirementsKotlin as primary language; strong hands-on expertisePython for data pipelines and AI integrationJava for production-grade backendMicroservices architecture design and deliveryKafka or Solace for real-time messagingLow-latency, high-performance computing experienceOracle SQL and MongoDB proficiencyAI/ML integration and GenAI tooling experienceAWS, Kubernetes, Docker, and CI/CD practicesObservability, SRE practices, and secure coding in regulated environmentsownership and accountabilitystrong collaboration across cross-functional teamsAI curiosity and willingness to experiment with new toolingAI/ML integrationGenAI tooling (GitHub Copilot or equivalent)LLM APIs