> Markdown version of [/jobs/ext/4636875-trading-ui-developer](https://www.wearedevelopers.com/jobs/ext/4636875-trading-ui-developer). 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). --- # Trading UI Developer - **Company:** Jose Merciline - **Location:** United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), .NET Framework, Algorithmic Trading, HTML5, Automation of Tests, C Sharp (Programming Language), Code Review, Web Development, Design of User Interfaces, Human-Computer Interaction, Internet Protocol, Windows Presentation Foundation, Node.Js, Software Engineering, WebSocket, Multithreading, Yahoo! User Interface Library (YUI), ReactJS, Ios Frameworks, AngularJS, Information Technology, Low Latency - **Published:** November 8, 2026 - **Apply:** https://www.careerbuilder.com/job-details/trading-ui-developer-nj--55272747-0a00-4887-8bf7-03b4e1d529e1 ## About the Role User Interface/Experience (UI/UX), User Interface/Experience (UI/UX), React.js, IP (Internet Protocol), Test Harness, Stress Testing, Test Automation, Code Reviews, Process Improvement, Capital Markets, We are looking for ReactJS resource for full-time position in our Ada team under IP (Investment Portfolio) technology. Someone with at least good amount of Java script experience who has worked on ReactJS before. Other "preferred" skills are AG Grid, Nivo charts and OpenFin framework (good to have basically). The candidate will: Design and develop extreme automated stress testing harnesses. Delve into hardware tuning for high end electronic trading UI. Participate in and conduct code review sessions, and provide process improvements. Domain expertise in Macro, Spread and/or Equities, coupled with hands-on experience in building electronic trading UI frameworks and/or Capital Markets widgets is a huge plus. Required Qualifications + years of application development and implementation experience 4+ years of securities industry experience 7 + years of experience supporting electronic trading (etrading) platforms 7+ years of UI (User Interface) experience 7+ years of Multi-Threading Experience 7+ years of JavaScript framework experience (YUI, Angular, Node) 5 + years of AngularJS experience 5 + years of experience developing web applications utilizing HTML 5 A BS/BA degree or higher Desired Qualifications Advanced experience in capital markets business and processes Basic knowledge and understanding of mathematical modeling Basic knowledge and understanding of SEC, FNRA, and international regulations for building technological solutions BS/BA in computer science, applied statistics, quantitative economics, operations research or a related field Excellent verbal, written, and interpersonal communication skills Knowledge and understanding of financial products: exposure to fixed income securities, derivatives, and foreign exchange Knowledge and understanding of asset based classes and equities C# experience Experience with .net Other Desired Qualifications Knowledge and experience with Web Sockets Knowledge and experience with Type-Script Knowledge and experience with WPF Knowledge and experience with React JS Domain expertise in building front office trading UIs using OpenFin Framework Prior experience in building high throughput, low latency electronic trading front-end applications Data modeling experience. Extensive experience in the capital markets business and processes, e.g. trade lifecycle, electronic trading/algorithmic trading. Good understanding and/or working knowledge of Compliance and Regulatory needs in building capital markets electronic trading front end applications.