Top Tech Jobs & Startup Jobs in NYC, NY

Lead architect and build enterprise Generative AI/LLM solutions (RAG, agents, prompt engineering). Develop production Python services, integrate and fine-tune models, implement MLOps, design data/vector pipelines, ensure AI governance, mentor engineers, and translate COO operational needs into scalable AI systems.

Senior technology leader responsible for defining and executing global Prime Finance technology strategy and modernization. Lead end-to-end platform transformation, ensure resiliency, performance, regulatory compliance, and drive engineering excellence across a large, distributed team to support financing, margining, securities lending, collateral, and lifecycle processing.

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.

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.

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.

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.

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.

Senior attorney leading negotiation and execution of derivatives documentation (ISDA, CSAs, futures/clearing) for global Markets. Provide legal counsel to trading, risk, and operations; assess regulatory and reputational risk; advise senior management; manage complex negotiations and documentation lifecycle; drive process improvements and standardization; coordinate with cross-functional teams; ensure timely execution, governance, and compliance. Serve as subject matter expert and contribute to strategic planning for Markets Contract Negotiations.

Design, develop, test, and deploy Web3-native components for Citi's digital asset platform, including smart contracts, blockchain integrations, wallet and custody integrations, event-driven backend services, protocol connectors, and CI/CD/deployment automation. Collaborate with architects and engineers, perform code reviews and audits, and maintain secure, scalable production-grade Web3 infrastructure for institutional finance.