Senior AI Frontend Engineer; Developer Productivity), VP

Overview

We re seeking a Senior Frontend Engineer with a strong React/Type Script background, passionate about crafting exceptional AI product experiences. You ll own the user-facing layer of our next-generation Developer Productivity platform at Citi, transforming complex AI capabilities — from chat interfaces to rich data visualizations — into intuitive, trustworthy experiences. You ll collaborate closely with AI, Software Engineers and the Product team to leverage bleeding-edge Generative AI.

You ll be joining a small, high-impact team enhancing the experience of our 50,000 engineers globally throughout Citi s Software Development Life Cycle (SDLC).

Where you ll work: You ll sit within Development Enablement, part of Citi s CTO organisation. A group focused on innovation, developer platforms and internal tools used across the bank, where we experiment and ship fast, like a startup inside a global bank. Our mission is to transform developer productivity, saving engineers tens of minutes per day and delivering substantial savings at Citi s scale.

Your first 90 days — become a citizen within Development Enablement s AI & UX

By the end of your third month, you will have:

• Released to production a small new or enhanced AI-first user interface that will positively impact thousands of Software Engineers and Business Analysts working in Software Requirements Engineering.
• Raised the bar in our React.js codebase by improving componentization, testing, and Storybook adoption.
• Established a network of UI engineers across the organization to contribute and learn best practices.
• Gained buy-in from the team on architectural principles, ways of working and system requirements, for example potentially separating core logic from the framework in the UI and using a data layer such as Zustand to reduce response time where appropriate.

By the end of this first year

At this point, you will have an informed view on AI-first UI design and engineering challenges, helping newer team members and other specialists to collaborate effectively. By year end, you will have:

• Owned and championed best practices for interaction design within the team, establishing clear guidelines for AI-specific UX patterns.
• Mentored junior engineers on best practices for designing and implementing AI-driven user interfaces.
• Designed and implemented production-grade features for AI solutions.
• Contributed AI-specific UX expertise to solving problems that require AI capabilities.
• Helped scope and plan future AI development work.
• Expanded the suite of evaluation metrics and techniques to simplify Agentic-AI development.
• Maintained consistent interactions with Engineering Leads across CTO to unblock shipping to production.
• Represented Development Enablement in AI-specific UX discussions with stakeholders.

What will you bring?

Here s a list of what makes you a stronger fit to join our team:

• Strong expertise (5–10+ years) building modern frontend applications with React and Type Script.
• Proficiency in JavaScript, React (or another UI framework), and Type Script.
• Experience with state management libraries (Redux, Context API, Zustand) for building well-structured applications.
• Experience with Storybook or componentised development.
• Proficiency in implementing streaming and real-time experiences (e.g., word/token streaming, live updates, progress/status indicators).
• Strong understanding of frontend architectures, state management, performance optimization, and responsive design.
• Hands-on experience with tools such as Lang Chain, Lang Graph, Vercel AI SDK, Google ADK (Agent Development Kit).
• Familiarity with CI/CD tools (e.g., Jenkins, Tekton, ArgoCD, Harness, etc.).

• React, Type Script, Next.js/Vite, Storybook, internal design systems, Lang Chain, Vercel AI SDK, Lang Graph, Google ADK (Agent Development Kit).
• Mac or PC — choice is yours.
• Access to time-saving AI tools such as Git Hub Copilot and Cognition.ai s Devin.

By joining Citi Belfast, you will be part of a business casual workplace with a hybrid working model (up to 2 days working from home per week). You will receive a competitive base salary (annually reviewed) and enjoy a range of benefits including:

• 27 days annual leave (plus bank holidays)
• Discretionary annual performance-related bonus
• Private Medical Care & Life Insurance
• Employee Assistance Program
• Pension Plan
• Paid Parental Leave
• Special discounts for employees, family, and friends
• Access to learning and development resources

Note:

This description includes Citi s Equal Employment Opportunity statement and related policies. Citi is an equal opportunity employer. If you require a reasonable accommodation during the application process, please review our Accessibility resources.

Visit our Global Benefits page to learn more.