Frontend Engineer

Role Description

Frontend Engineer – Lead I - Software Engineering

Born digital, UST transforms lives through the power of technology. We walk alongside our clients and partners, embedding innovation and agility into everything they do. We help them create transformative experiences and human‑centered solutions for a better world. UST is a mission‑driven group of 29,000+ practical problem solvers and creative thinkers in more than 30 countries. Our entrepreneurial teams are empowered to innovate, act nimbly, and create a lasting and sustainable impact for our clients, their customers, and the communities in which we live.

With us, you'll create a boundless impact that transforms your career – and the lives of people across the world.

We’re looking for a passionate Frontend Engineer with a strong UI/UX focus to help us build intuitive and impactful user experiences for these critical internal tools, working on projects visible up to the CIO level.

• Design, develop, test, and maintain high‑quality, responsive user interfaces and components using React, Type Script, and Customer React Spectrum.
• Collaborate closely with product managers, business stakeholders, backend engineers, and users to translate requirements and feedback into effective frontend solutions.
• Take ownership of the user experience, applying UI/UX best practices, proposing design improvements, and implementing solutions even when detailed mockups are not provided.
• Write robust unit tests for your code using frameworks like Vitest, and contribute to establishing and maintaining end‑to‑end testing practices (e.g., using Cypress or Playwright).
• Integrate frontend components with backend REST APIs, understanding authentication flows like OAuth.
• Actively participate in Agile/Scrum ceremonies, including sprint planning, daily stand‑ups, code reviews, and retrospectives.
• Contribute to frontend architecture discussions, justifying design choices and helping implement scalable and maintainable solutions.
• Utilize Git for version control, following team branching and pull request workflows.

This position description identifies the responsibilities and tasks typically associated with the performance of the position. Other relevant essential functions may be required.

• Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
• 5+ years of professional software development experience, with a strong focus on frontend development.
• Proven expertise in building complex web applications using React and Type Script.
• Strong proficiency in modern JavaScript (ES6+), HTML5, and CSS
  3.
• Experience with state management libraries (e.g., Zustand, Redux, MobX) and the ability to adapt to existing patterns.
• Demonstrated experience with component libraries, particularly Customer React Spectrum or similar systems.
• Solid understanding of responsive design principles and experience with mobile‑first and cross‑browser compatibility.

Remote

$82,000 – $125,000

Full‑time, regular employees accrue a minimum of 10 days of paid vacation per year, receive 6 days of paid sick leave each year (pro‑rated for new hires throughout the year), 10 paid holidays, and are eligible for paid bereavement leave and jury duty. They are eligible to participate in the Company’s 401(k) Retirement Plan with employer matching. They and their dependents residing in the US are eligible for medical, dental, and vision insurance, as well as basic life insurance, accidental death and disability insurance, and short‑ and long‑term disability benefits.

Regular employees may purchase additional voluntary short‑term disability benefits, and participate in a Health Savings Account (HSA) as well as a Flexible Spending Account (FSA) for healthcare, dependent child care, and/or commuting expenses. Benefits offerings vary in Puerto Rico.

Part‑time employees receive 6 days of paid sick leave each year (pro‑rated for new hires throughout the year) and are eligible to participate in the Company’s 401(k) Retirement Plan with employer matching.

Full‑time temporary employees receive 6 days of paid sick…