Top Tech Jobs & Startup Jobs in NYC, NY

Provide L2 production support for equities e-trading applications on the trading floor: monitor systems, investigate and resolve incidents, liaise with development/QA/business teams, ensure SLA adherence, recommend technical actions, and communicate status to global stakeholders.

Lead applications support for equity derivatives production: partner with technology teams, analyze and resolve complex system issues, define scope for enhancements, document requirements, assess risks and security, coach junior analysts, and influence strategic decisions alongside product and business stakeholders.

Lead development and execution of Citi's cross-channel media measurement framework, managing attribution, reporting, incrementality testing, vendor relationships, and a team of media science analysts to generate actionable insights and drive media optimization across businesses.

Senior leader responsible for designing and deploying advanced statistical and ML models for marketing measurement, attribution, audience and journey analytics. Lead a team of data scientists, drive model lifecycle and governance, translate insights for senior stakeholders, forecast outcomes to optimize media spend, and partner across marketing, legal, compliance and product to operationalize analytics.

Hands-on senior security engineer role building and operating cryptographic, key-management, and signing services for Citi's digital assets platform. Develop Java backend services, integrate and operate HSMs, implement MPC/TSS schemes, enforce crypto best practices, embed CI/CD security tooling, and lead threat modeling and incident escalation.

Lead integrated investment content strategy across Citi Wealth's product portfolio, producing multi-format client-facing materials (written, video, audio, events). Partner with investment, product, legal, and marketing teams to ensure accurate, compliant messaging, manage product launches and recurring reporting, measure content impact, and drive continuous process and measurement improvements in a global, matrixed environment.

Lead design, development, and production deployment of intelligent agent systems that plan and execute tasks autonomously. Build scalable architectures, integrate ML/LLM models, automate workflows, design evaluation metrics, and implement APIs. Collaborate with researchers, data scientists, and engineers, produce technical documentation, and ensure compliance, security, and reliability of agentic solutions across products.

Lead design and development of low-latency, high-performance Java microservices for electronic equities trading. Implement complex trading logic, optimize performance, conduct design reviews, partner with product and quant teams, improve testing and CI/CD pipelines, and maintain monitoring, reconciliation, and recovery capabilities while ensuring regulatory and operational risk controls.

Develop and enhance financial software solutions, focusing on a margin calculation platform, utilizing Java and related technologies while collaborating with global teams.

As a Sr Data Engineer, you'll conduct feasibility analyses, develop applications, monitor processes, consult with users, and ensure compliance while serving as a mentor to junior analysts.