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Senior AI Engineer, Vice President
Citibank, N.A. United Kingdom
Source: Headcount Labs · original listing ↗
Job data: Headcount Labs, ODbL 1.0. Job descriptions belong to their employers.
Source date: 11/2/2026
About this role
We are seeking a highly motivated and experienced Senior AI Engineer to join and help lead an experienced team of software developers. You will take a senior, hands-on technical role in building a new, strategically important AI system that directly powers one of Citi's Global Lending Platforms. This is a great opportunity to build AI at real scale inside a leading global financial institution, shaping architecture and technical direction while mentoring engineers and partnering closely with senior stakeholders, in a culture that values craft, ownership, and continuous learning. Responsibilities * Design and implement software components and applications for AI systems, with a primary focus on data * Build MCP (Model Context Protocol) tools and AI agents that effectively utilize this data to solve business problems * Act as a senior, hands-on technical leader within a skilled SCRUM team — take ownership of complex, ambiguous problems, drive features from design through production, and ensure delivery of high-quality, production-grade applications * Thrive in a fast-paced, results-driven execution environment, balancing speed with engineering excellence, and proactively identify and resolve technical risks before they impact delivery * Lead code reviews, drive technical discussions, and help define shared engineering standards; mentor and coach junior and mid-level engineers to raise the overall capability of the team * Partner with product owners, architects, and senior stakeholders to translate business requirements into scalable, resilient technical solutions * Exercise sound judgment on architecture, design trade-offs, and technology choices, balancing short-term delivery needs with long-term platform health * Champion engineering rigor across the team, including testing, observability, security, and operational readiness for production AI systems Skills & Qualifications * Significant experience as a Software Engineer, with a track record of increasing scope, ownership, and technical leadership * Experience working in complex enterprise environments, collaborating with global teams * Experience applying large language models (LLMs) to solve real business problems, from ideation through to production deployment * Deep fluency in the Python AI/ML ecosystem, including Pydantic, REST API integration, database access, and orchestration frameworks such as ADK or LangGraph * Strong proficiency in SQL and working with complex data in enterprise environments * Demonstrated experience leading or mentoring engineers, influencing technical direction, and driving engineering standards within a team – big plus * A genuine team player who can also operate with full autonomy and ownership — equally effective in the office or working remotely * Sharp, structured thinker with strong analytical skills, sound judgment, and the ability to independently research, evaluate, and master new technical domains * Excellent interpersonal, communication, and stakeholder-management skills in English * Bachelor's degree in Computer Science or related field; advanced degree a plus What's in It for You * Take on a senior, high-visibility role working alongside experienced engineers while helping shape the growth of others * Work on a complex, high-stakes project deployed globally within a leading financial institution * Operate in a culture that actively encourages and sponsors personal and professional development * Build with cutting-edge AI tools — MCP, LLMs, agent frameworks — at real enterprise scale, with the latitude to influence architecture and technical direction * Flexible hybrid working model supporting both office collaboration and remote productivity ------------------------------------------------------ Job Family Group: Technology ------------------------------------------------------ Job Family: Applications Development ------------------------------------------------------ Time Type: Full time ------------------------------------------------------ Most Relevant Skills Please see the requirements listed above. ------------------------------------------------------ Other Relevant Skills For complementary skills, please see above and/or contact the recruiter. ------------------------------------------------------ *Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.* *If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review* *[Accessibility at Citi](https://www.citigroup.com/citi/accessibility/application-accessibility.htm).* *View Citi’s [EEO Policy Statement](https://www.citigroup.com/global/eeo-aa-policy) and the [Know Your Rights](https://www.eeoc.gov/sites/default/files/2023-06/22-088_EEOC_KnowYourRights6.12ScreenRdr.pdf) poster.*