Senior Frontend Platform Engineer - UI Libraries & AI Tools

FIS Management Services LLC; Jacksonville (FL); On-site; USD 120,000 - 160,000; Full time

Benefits offered by this job

Competitive salary

Career development tools

Challenging projects

Job summary

FIS is seeking a hands-on Senior Frontend Engineer to join the Frontend Platform. You will design and build shared UI components and frameworks used by multiple product teams, ensuring accessibility, theming across brands, and analytics baked in by default.

You will work directly with product teams, mentor peers, and help AI coding tools shape engineering workflow while delivering high-quality, scalable front-end software.

Qualifications

• Experience building front-end applications with React and TypeScript.
• Proven track record delivering component libraries or design systems used by multiple teams.
• Strong focus on accessibility, performance, and production-grade testing.

Responsibilities

• Build and evolve shared UI components and frameworks used by product teams across FIS.
• Ensure accessibility, multi-brand theming, and analytics are built in by default.
• Collaborate with product teams to drive adoption of the platform and move away from legacy tech.
• Review code, mentor engineers, and raise the overall quality bar.

Skills

React

TypeScript

Component libraries

Design systems

Accessibility

AI coding tools

Cross-platform UI

Communication

Tools

MUI

Design tokens

React Native

Job description

FIS is seeking a hands-on Senior Frontend Engineer to join the Frontend Platform. You will design and build shared UI components and frameworks used by multiple product teams, ensuring accessibility, theming across brands, and analytics baked in by default.

You will work directly with product teams, mentor peers, and help AI coding tools shape engineering workflow while delivering high-quality, scalable front-end software.