Lead Frontend Developer; ReactJS), Assistant Vice President
Job in
Belfast, County Antrim, BT1, Northern Ireland, UK
Listed on 2026-02-28
Listing for:
Citibank (Switzerland) AG
Full Time
position Listed on 2026-02-28
Job specializations:
-
Software Development
Front End Developer, React.js, Web Developer, Software Engineer
Job Description & How to Apply Below
For additional information, please review .We are seeking a talented and passionate Lead Frontend Developer with deep expertise in React
JS to spearhead the development of our cutting-edge user interfaces. The ideal candidate will be a technical leader, responsible for guiding the frontend team, defining architectural patterns, and ensuring the delivery of high-quality, performant, and intuitive web applications. This role requires a strong command of modern JavaScript, React ecosystem, and a commitment to best practices in UI/UX development.
** Key Responsibilities
*** Lead the design, development, and implementation of complex, scalable, and responsive web applications using React
JS and its ecosystem.
* Define and enforce frontend architectural patterns, coding standards, and best practices to ensure consistency, maintainability, and performance across all frontend projects.
* Provide technical leadership, mentorship, and guidance to a team of frontend developers, fostering their growth and ensuring high-quality code delivery.
* Collaborate closely with UX/UI designers, product managers, and backend engineers to translate wireframes and designs into pixel-perfect, highly functional user interfaces.
* Oversee and conduct thorough code reviews, ensuring adherence to quality, performance, security, and accessibility standards.
* Optimize application performance, identify and resolve frontend bottlenecks, and improve overall user experience.
* Drive the adoption of new technologies, tools, and methodologies to enhance our frontend development capabilities.
* Stay up-to-date with the latest trends and advancements in frontend development, React
JS, and web technologies.
** Required Qualifications
*** Bachelor's or Master's degree in Computer Science, Software Engineering, or a related technical field.
* Professional experience in frontend web development, with at least 3 years in a lead or senior role focused on React
JS.
* Expert-level proficiency in React
JS, including a deep understanding of its core principles, component lifecycle, hooks, and state management libraries (e.g., Redux, Context API, Zustand).
* Strong command of modern JavaScript (ES6+), HTML5, and CSS3, with experience in pre-processors (e.g., SASS, LESS) and styled-components or CSS-in-JS solutions.
* Demonstrable experience with frontend build tools (e.g., Webpack, Vite, Babel) and package managers (npm, yarn).
* Proficiency in writing unit, integration, and end-to-end tests for frontend applications (e.g., Jest, React Testing Library, Cypress).
* Solid understanding of responsive design principles and cross-browser compatibility issues.
* Experience with version control systems, particularly Git.
* Excellent problem-solving skills, strong analytical capabilities, and clear communication skills (verbal and written).
** Preferred Qualifications
*** Experience with other JavaScript frameworks or libraries (e.g., Angular, Vue.js).
* Familiarity with server-side rendering (SSR) frameworks like Next.js or Remix.
* Experience with Graph
QL APIs.
* Knowledge of accessibility standards (WCAG) and implementing accessible user interfaces.
* Understanding of CI/CD pipelines and deployment processes for frontend applications.
* Experience with cloud platforms (e.g., AWS, Azure, GCP).
* Familiarity with UI component libraries and design systems (e.g., Material-UI, Ant Design, Storybook).
-----------------------------------------------------
- ** 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* *.
* * View Citi’s and the poster.
* #J-18808-Ljbffr
Note that applications are not being accepted from your jurisdiction for this job currently via this jobsite. Candidate preferences are the decision of the Employer or Recruiting Agent, and are controlled by them alone.
To Search, View & Apply for jobs on this site that accept applications from your location or country, tap here to make a Search:
To Search, View & Apply for jobs on this site that accept applications from your location or country, tap here to make a Search:
Search for further Jobs Here:
×