We're hiring a Senior UI Lead Engineer to help build Citi's next generation, cross-asset risk system. We are utilising cutting edge technology to meet complex trading and regulatory requirements. **The development position involves:** + Development of high-quality, modern UIs for developers, support, quants and finance staff + Participation in a fast-paced Agile development process + Development of high-quality software, emphasizing simplicity, maintainability and reuse + Participation in code and design reviews + Working proactively on diverse and innovative solutions + Requirements analysis and capture, working closely with the business and business aligned teams to define solutions + Good communication with support, other development teams, and infrastructure teams + Thorough automated testing using unit and integration tests + Driving the architectural standards, development best practices, and promoting adherence to these standards + 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 **Qualifications and Skills:** The ideal candidate will be a seasoned developer with extensive commercial experience of React; familiarity with Typescript; and solid knowledge of modern HTML, JavaScript and CSS. The candidate must be a self-starter who can take wireframes and implement intuitive user interfaces. The candidate must be able to lead the team technically to drive the architecture standards and best practices **Required Skills:** + Strong communication skills + Provencommercial experience with React + Strong knowledge of modern HTML, JavaScript **(ES6+)** & 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 these criteria may be considered for the role provided they have the necessary skills and experience. ------------------------------------------------------ **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._ Citi is an equal opportunity and affirmative action employer. Minority/Female/Veteran/Individuals with Disabilities/Sexual Orientation/Gender Identity.