Senior UI Lead Engineer, VP

Citigroup Inc.; City of Westminster; On-site; GBP 70,000 - 90,000; Full time

Job summary

A leading financial services firm is hiring a Senior UI Lead Engineer in London. The role involves developing high-quality, modern UIs, driving architectural standards, and participating in Agile practices. Ideal candidates will have extensive experience in React and modern JavaScript technologies. Join a dynamic team that values innovation and collaboration while making a real impact.

Qualifications

• Extensive commercial experience in React.
• Strong knowledge of HTML, JavaScript (ES6+), and CSS.
• Hands-on expertise in development tools for efficient workflows.

Responsibilities

• Develop high-quality, modern UIs for various teams.
• Participate in fast-paced Agile development.
• Drive architectural standards and best practices.

Skills

React

Modern HTML

JavaScript (ES6+)

CSS

Node.js

Typescript

Webpack

Vite

Playwright

React Testing Library

Vitest

Job description

We're hiring a Senior UI Lead Engineer to help build Citi's next generation, cross-asset risk system. We are utilizing cutting-edge technology to meet complex trading and regulatory requirements. The development position involves:

1. Development of high-quality, modern UIs for developers, support, quants, and finance staff
2. Participation in a fast-paced Agile development process
3. Development of high-quality software, emphasizing simplicity, maintainability, and reuse
4. Participation in code and design reviews
5. Working proactively on diverse and innovative solutions
6. Requirements analysis and capture, working closely with the business and aligned teams to define solutions
7. Good communication with support, other development teams, and infrastructure teams
8. Thorough automated testing using unit and integration tests
9. Driving architectural standards, development best practices, and promoting adherence to these standards
10. Driving the architectural and technical evolution of frameworks and APIs

Key Relationships:

• Portfolio owners and project leads
• Risk/Pricing development teams and colleagues in London, Poland, Canada, New York, Shanghai
• Control and support staff

The ideal candidate will be a seasoned developer with extensive commercial experience in React; familiarity with Typescript; and solid knowledge of modern HTML, JavaScript, and CSS. The candidate must be a self-starter capable of taking wireframes and implementing intuitive user interfaces. They must also be able to lead the team technically to drive architecture standards and best practices, with strong communication skills.

• Proven commercial experience with React
• Strong knowledge of modern HTML, JavaScript (ES6+), and CSS
• Strong understanding of Node.js & npm
• Experience with Typescript
• Hands-on expertise in development tools such as Webpack and Vite for efficient build and bundling workflows
• Skilled in implementing robust testing strategies using frameworks like Playwright, React Testing Library, and Vitest to ensure high-quality, maintainable code

Desirable skills:

• Experience in Investment Banking or finance
• Experience with GraphQL
• Strong understanding of modern JavaScript tooling
• Experience publishing npm libraries
• Experience with micro-frontends
• Experience building developer tooling
• Good technical writing skills for documentation
• Good understanding of data structures and solid computer science fundamentals
• Knowledge of messaging systems and event-driven architectures

Exceptional candidates who do not meet all criteria may still be considered if they possess the necessary skills and experience.

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