Senior UI Engineer (DevEx), VP - BELFAST

Role:

We'reseeking aSenior Frontend Engineerwith a strong React/TypeScript background, passionate aboutsolving hard UIchallenges.You'llown theUIof our next-generation DeveloperPlatform @ Citi.You’llbe workingoncreatinganear real-time UIapplication, solvingcutting-edgeUIproblems, and even making data-visualisations.You'llcollaborate closely with other Software Engineers and the Product team to create bleeding-edge interfaces.

You'llbe joining a small, high-impact team challenging, changing, modernising & enhancing the experience of our 50,000 engineers globally throughout Citi's SDLC, all whilst using the latest coding tools (e.g. Claude Sonnet, Agent,GithubCo-pilot, Cognition Devin).

Whereyou’llwork

You’llsit within DevelopmentEnablement, part of Citi’sCTO organisation– A groupfocused on innovation, developerplatformsand internal tools. Weoperatelike a startup inside a global bank:shipping fastandexperimenting.

Your first 90 days 

• First stepsYou will have built UI components of high quality (e.g. testing, storybook, etc) that have shipped to production. 

• NetworkHave an established network of UI engineers across the organisation to contribute and learn about best practice.

• Design thinkingBegun designing a UI architecture (maybe micro-front end) that takes into consideration linking together many components into a single a view, such as being able to connect a JIRA ticket to a deployment in production.

• Scaling upGet buy in from the team on architectural principles, ways of working and system requirements. For example: you might choose to separate core logic from the framework in the UI; usingZustandas the data layer; we also may decide that we want the UI to respond to any action in under 100ms.

By the end of your first year

• OwnershipYou’llown the UI implementations of complicated UI components and pushed the boundaries of good practice with excellentcomponentlibraries, good testing practices, and beautiful architectures. 

• BoundarypushingYouwill haveimplemented advancedUI capabilitiesused by over 1,000s, such as micro front ends, plugin-architectures, or advanced data-visualisations in D3.

• Thought leaderYou will be noted as a valuable contributor to UI cross-team through your knowledge of UI and have taught other UI engineers about UI at scale.

What will you bring?

• Strongexpertise(5–10+ years) building modern frontend applications with React and TypeScript.

• Proficiencyin JavaScript, React (or another UI framework), and TypeScript

• Experience with state management libraries (redux, context API,zustand), for building well-structured applications.

• Experience withwebsocketsor event-streaming

• Experience with micro front-end desirable

• Experience with storybook or componentised development.

• Push the boundaries inanimation and data visualisation with tools like d3.js,reactflowor three.js

• Ability to innovate: Excited to push the boundaries in UI engineering to build next gen developer platforms.

Tools and technologies you might use

• React, TypeScript, Vite, storybook, internal design systems

• State management:Zustand, context API, redux

• Microfront-endslike single-spa.

• Mac or PC -it'sup to you.

• Access to time-saving AI tools such as GitHub Copilot andCognition.ai's Devin.

Whyyou’lllove working here

• You’llshape the daily experience of tens of thousands of engineers at one of the largest engineering organisations in the world.

• You’llwork in a smallautonomous team,withimpact acrossourglobalorganisation. 

• You’llget tocombine yourworld-classengineering skills to push boundaries otherscan’tand change the way internal platforms aremade.

What we’ll provide you

By joining Citi Belfast, you will not only be part of a business casual workplace with a hybrid working model (up to 2 days working at home per week), but also receive a competitive base salary (which is annually reviewed), and enjoy a whole host of additional benefits such as:

• 27 days annual leave (plus bank holidays)
• A discretional 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 an array of learning and development resources

Visit our Global Benefits page to learn more.

Alongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self, every day. We want the best talent around the world to be energized to join us, motivated to stay and empowered to thrive.

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