Senior / Lead Front -End Engineer (UI Architecture & Governance)

• Advise and support internal engineering teams on front-end architecture, bespoke widget implementation, and web performance best practices.
  


• Develop, maintain, and extend highly optimized, reusable UI components (published as internal NPM/PNPM packages) for the corporate marketplace.
  


• Drive the technical migration of the internal design system from Material UI (MUI) to Shadcn, specifically optimizing it for AI-assisted/agentic developer workflows (Cursor, Copilot).
  


• Provide technical mentorship, perform architectural code reviews, and handle technical doubts from a massive pool of internal developer stakeholders.
  

• Standard background and criminal checks.
  


• Trading Portfolio Disclosure: Candidates must disclose their personal stock trading portfolios to the Compliance Department to prevent conflicts of interest.
  

Requirements

• Exceptional, expert-level proficiency in TypeScript and ReactJS. We are looking for true foundational experts who understand the inner workings of the language and framework.
  


• Experience with Shadcn and Tailwind CSS is highly desirable (aligning with our V2 architecture).
  


• Strong comfort level leveraging and optimizing for AI-assisted coding tools (e.g., Copilot, Cursor, or similar workflows).
  


• Superb interpersonal and consultative soft skills. You must be able to articulate technical decisions clearly, handle pushback from senior internal devs, and act as an internal advocate for UI standards.
  


• Professional fluency in English.
  

• Experience with complex data visualization, plotting, and charting libraries.
  


• Heavy experience with highly customized data grids, specifically AG Grid (used in ~80% of our applications).
  


• Understanding of modern Desktop Container Platforms (e.g., OpenFin, Interop.io) or Web Components.
  


• Basic understanding or awareness of Rust.