> Markdown version of [/jobs/ext/2708466-ui-engineer](https://www.wearedevelopers.com/jobs/ext/2708466-ui-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # UI Engineer - **Company:** OnCorps, Inc. - **Location:** New York, NY, United States (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Artificial Intelligence, Application Performance Management, HTML5, Cascading Style Sheets (CSS), Middleware, Interaction Design, TypeScript, Data Processing, ReactJS, Backend, AngularJS, Material UI, Graphql, Front End Software Development, Restful APIs - **Published:** September 4, 2026 - **Apply:** https://startup.jobs/ui-engineer-oncorps-llc-8929011 ## About the Role * 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. * Prior exposure to middle- and/or back-office operations within the financial industry or fund administration is a plus. ## Description 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. ## Related Videos - [Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS](https://www.wearedevelopers.com/videos/282-watch-tests-go-brrrr-getting-started-with-cypress-in-reactjs) - [But, you're not Facebook](https://www.wearedevelopers.com/videos/378-but-you-re-not-facebook) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape) - [Microfrontends at Scale](https://www.wearedevelopers.com/videos/236-microfrontends-at-scale) ## Related Articles - [16 Best Free React UI Libraries in 2025](https://www.wearedevelopers.com/magazine/148-16-best-free-react-ui-libraries-in-2025) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [The Best 7 Frontend Frameworks for Developers in 2025](https://www.wearedevelopers.com/magazine/400-the-best-7-frontend-frameworks-for-developers-in-2025) - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023) - [Dev Digest 133 - Back to Front](https://www.wearedevelopers.com/magazine/474-dev-digest-133-back-to-front) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)