Senior UI Developer

Discover your future at Citi

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Job Overview

The Senior UI Developer will be responsible for leading the design, development, and maintenance of user interfaces for our web and mobile applications. This role requires a strong understanding of front-end technologies, UI/UX principles, and the ability to work collaboratively with cross-functional teams. The ideal candidate will be a proactive problem-solver with a passion for creating exceptional user experiences.

Responsibilities

• Lead the design and development of user interfaces for web and mobile applications, ensuring high performance, responsiveness, and usability.
• Collaborate closely with UX/UI designers, product managers, and back-end developers to translate design mockups and wireframes into functional, pixel-perfect user interfaces.
• Develop and maintain reusable UI components and front-end libraries to ensure consistency and efficiency across products.
• Implement responsive design principles to ensure optimal user experience across various devices and screen sizes.
• Write clean, well-documented, and maintainable code, adhering to best practices and coding standards.
• Conduct code reviews to ensure code quality, performance, and adherence to established guidelines.
• Troubleshoot and debug UI-related issues, identifying and implementing effective solutions.
• Stay up-to-date with the latest industry trends, technologies, and best practices in front-end development and UI/UX.
• Mentor junior developers and contribute to the growth and development of the team.
• Participate in agile development processes, including sprint planning, daily stand-ups, and retrospectives.
• Optimize application for maximum speed and scalability.

Qualifications Required:

• Bachelor's degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience.
• 8+ years of experience in front-end development with a strong focus on UI development.
• Expert proficiency in HTML5, CSS3, and JavaScript (ES6+).
• In-depth experience with at least one modern JavaScript framework (e.g., React, Angular, Vue.js).
• Strong understanding of responsive design principles and mobile-first development.
• Experience with CSS pre-processors (e.g., SASS, LESS) and CSS-in-JS libraries.
• Proficiency with front-end build tools (e.g., Webpack, Rollup, Vite).
• Experience with version control systems, particularly Git.
• Familiarity with RESTful APIs and asynchronous request handling.
• Solid understanding of UI/UX principles and best practices.
• Excellent problem-solving skills and attention to detail.
• Strong communication and interpersonal skills, with the ability to collaborate effectively in a team environment.

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Job Family Group:

Technology

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Job Family:

Applications Development

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Time Type:

Full time

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Most Relevant Skills

Please see the requirements listed above.

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Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.

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