Job Description
UI Developer, Execution Technology
What you'll do
- Design, build, and maintain React and TypeScript applications for order entry, blotters, dashboards, and risk/position views
- Implement real-time, event-driven UIs (WebSockets/streaming) that handle large, rapidly updating datasets with low latency
- Build reusable component libraries and contribute to a shared design system (accessibility, theming, responsiveness)
- Optimize application performance by implementing strategies such as data virtualization, memorization, concurrent processing, efficient network usage, and rendering improvements to ensure smooth and responsive user experiences
- Integrate front-end applications with market data feeds, order and execution management systems (OMS/EMS), and internal APIs by collaborating closely with backend engineers to define and refine data contracts
- Develop and maintain reliable automated tests and manage deployments using CI/CD pipelines, feature flags, and comprehensive monitoring tools to ensure stability and quality in production
- Work directly with traders and product stakeholders to gather business requirements, present demos, receive feedback, and rapidly iterate on features to meet evolving business needs
- Uphold engineering best practices, including code reviews, documentation, security, and accessibility (WCAG/ARIA)
- Help modernize or interoperate with Angular-based applications where needed
- Mentor teammates, share knowledge, and contribute to technical roadmaps
What's required
- 5+ years building modern web applications; 3+ years with React and TypeScript in production
- Experience successfully delivering complex, high performance user interfaces for trading platforms, market data visualization, or other real time finance based applications
- Deep fluency in TypeScript, React hooks, state management (Redux Toolkit, Zustand, MobX, or RxJS), and component architecture
- Experience building high-performance data grids, charts, and dashboards, and comfortability with virtualization and diffing strategies
- Experience with streaming patterns like WebSockets and Server-Sent Events
- Familiarity with Observables/RxJS
- Proficient with testing tools (Jest, React Testing Library, Cypress/Playwright) and modern build tooling (Vite/Webpack, ESLint, Prettier)
- Strong understanding of modern web browsers, including their rendering pipelines, asynchronous programming patterns, use of Web Workers, handling of local storage, and adherence to security best practices
- Excellent communication skills with the ability to translate stakeholder needs into technical specs, reduce ambiguity, and drive alignment across engineering, product, and UX
- Commitment to the highest ethical standards
Equal Opportunity Employer: ECLARO values diversity and does not discriminate based on Race, Color, Religion, Sex, Sexual Orientation, National Origin, Age, Genetic Information, Disability, Protected Veteran Status, or any other legally protected group status, in compliance with all applicable laws.