UI Engineer

OnCorps, LLC•Boston, MA

1d•Hybrid

About The Position

OnCorps AI is the leading enterprise Agentic AI solution for middle and back-office automation. The company delivers production-ready AI agents that automate reconciliation, exception resolution, and oversight workflows for the world's largest asset managers, fund administrators and managed service providers. OnCorps' agentic AI architecture enables fully autonomous processing of complex middle and back-office workflows while maintaining the transparency, control, and auditability required by global financial institutions. Clients rely on OnCorps to deliver measurable operational efficiency and accuracy improvements across mission critical processes. 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.

Requirements

5+ years of professional experience in frontend development, UI engineering, or a related field.
Strong proficiency in JavaScript/TypeScript, 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.

Nice To Haves

Prior exposure to middle- and/or back-office operations within the financial industry or fund administration is a plus.

Responsibilities

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.