Top Tech Jobs & Startup Jobs in NYC, NY

This role involves designing and implementing scalable Java applications for margin calculations in finance, leading problem resolution, and mentoring developers.

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.

The Senior Market Data Platform Engineer will design and implement a low-latency market data distribution platform, focusing on performance optimization, architectural decisions, and collaboration with global teams, particularly in Equities trading.

Looking for Full Stack Engineers to develop solutions within an Agile team, utilizing skills in Java, React, and cloud technologies, while optimizing processes and collaborating effectively.

The role involves managing data integrity, supporting data strategies, interfacing with clients, and enhancing reporting and operational efficiencies through technology in the Credit Financing team.

Lead design, development, and maintenance of enterprise-grade Generative AI platforms and services using Python, Node.js, and TypeScript. Architect scalable AI integrations, work with data science and business stakeholders, deploy GenAI products, enforce coding and testing standards, mentor engineers, and ensure governance, risk, and operational best practices across Citi's GenAI ecosystem.

Lead backend architecture and implementation for Citi's FX eCommerce trading platform. Build high-performance, multithreaded Java services, integrate with product teams, resolve complex system issues, coach mid-level developers, and ensure resilient, low-latency, production-ready solutions that meet regulatory and risk standards.

Lead analysis and optimization of interchange economics and fraud management across credit card portfolios. Monitor payment network performance, evaluate financial impacts of network changes, build dashboards and reports, analyze fraud trends, partner with Fraud Strategy and network partners, and present recommendations to senior leaders to drive revenue growth and reduce fraud losses.

Serve as Citi's senior enterprise owner for a major payment processor partnership, shaping multi-year strategy, executive governance, contract and billing oversight, roadmap influence, platform availability and incident resolution, commercial negotiations, and cross-functional delivery to improve customer experience, reduce costs, and unlock revenue.

Own financial oversight and billing operations for Mastercard and Visa relationships. Reconcile invoices, investigate discrepancies, develop expense reports, monitor pricing compliance, translate contract terms into billing controls, partner with Finance/Product, and drive automation and process improvements.