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UI Engineer

Job in Boston, Suffolk County, Massachusetts, 02298, USA
Listing for: OnCorps AI
Full Time position
Listed on 2026-06-25
Job specializations:
  • Software Development
    Front End Developer, Full Stack Developer, React.js
Salary/Wage Range or Industry Benchmark: 100000 - 125000 USD Yearly USD 100000.00 125000.00 YEAR
Job Description & How to Apply Below

Requirements

  • 5+ years of professional experience in frontend development, UI engineering, or a related field
  • Strong proficiency in JavaScript/Type Script, HTML5, and modern CSS/styling methodologies
  • Deep understanding of modern, component-driven frontend frameworks such as React or Angular, with the flexibility to adapt to the best tool for the job
  • Proven track record of building, documenting, and maintaining robust design systems using Storybook.js or similar tools
  • Solid experience working with middleware, RESTful/GraphQL APIs, and state management
  • A product-focused mindset with a strong appreciation for UX/UI design principles
  • A passion for staying ahead of the curve in frontend technology and how AI is shaping the future of user interfaces
  • Prior exposure to middle- and/or back-office operations within the financial industry or fund administration is a plus
What the job involves
  • We are seeking a seasoned UI Engineer to bridge the gap between design and engineering
  • In this role, you will be instrumental in establishing the frontend architecture that powers our applications
  • You will work closely with the OnCorps design team, bringing their vision to life while providing the technical expertise necessary to scale our design system
  • Our environment values adaptability and rapid iteration, requiring a focus on creating highly modular, interchangeable UI components
  • Architect, develop, and maintain highly responsive, accessible, and scalable user interfaces using modern web technologies
  • Partner directly with the OnCorps design team to evolve and govern our design system establishing best practices for component architecture and interaction design
  • Collaborate with backend engineers to integrate frontend applications with robust middleware and backend APIs, ensuring smooth data handling, state management, and application performance
  • Operate with a framework‑agnostic mindset, applying deep expertise in core web fundamentals to build applications primarily utilizing React or Angular
  • Help drive frontend innovation by exploring and adopting cutting‑edge interaction models as we define our future agent framework
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