Senior Full Stack Developer

Job Purpose

At Intercontinental Exchange (ICE), we engineer technology, exchanges and clearing houses that connect companies around the world to global capital and derivative markets. With a leading-edge approach to developing technology platforms, we have built market infrastructure in all major trading centers, offering customers the ability to manage risks and make informed decisions globally. By leveraging our core strengths in technology, we continue to identify new ways to serve our customers and transform global markets.

We are seeking a Senior Full Stack Developer with a proven background in full stack development following modern-day best practices. You are results-oriented, self-motivated and have the ability to thrive in a fast-paced environment. You will be part of the core infrastructure development team responsible for developing and maintaining application systems for a state-of-the-art electronic commodities and derivative exchange. The platform consists of a mathematically complex, multi-threaded server-side applications with low latency and high throughput requirements.

Responsibilities

• Collaborate with backend engineers and product managers to migrate legacy features written in Flex/AIR application to browser-based SPA using React, Typescript and modern-day web development tooling
• Integrate front-end components (React, AgGrid, WebSockets) with Java, Spring, and SockJS based back-end services
• Provide support for production applications
• Provide support for deployments during maintenance windows
• Troubleshoot and resolve UI performance, stability, and usability issues
• Drive technical debt reduction, architectural improvements, and modernization initiatives
• Evaluate and introduce new tools, frameworks, and AI-assisted development practices to keep our team productive and our technical stack current

Knowledge and Experience

• Bachelor’s degree in Computer Science or Software/Computer Engineering required
• 5+ years of experience in building business-critical applications with feature-rich GUIs
• Strong proficiency in JavaScript, TypeScript, React (hooks, Redux-based state management, component architecture), Java and Spring/Boot
• Hands-on experience with ag-grid (or comparable enterprise data-grid libraries) in data-dense GUIs
• Hands-on experience with real-time data in the browser (WebSockets; STOMP/SockJS a plus)
• Working knowledge of Java, Spring-based services, and consuming/integrating RESTful APIs
• Familiarity with testing framework like Enzyme, JUnit and Mockito
• Proficiency with CI/CD pipelines (Jenkins or equivalents), Git workflow, Maven multi-module builds, and standard production deployment and support practices

Preferred Knowledge and Experience

• Ability to read and reverse-engineer legacy Adobe Flex/AIR code to port behavior to React based SPA (reading legacy Flex code, not writing new Flex code)
• Active use of AI dev tools (Claude Code, Cursor, or Codex) to improve speed, quality, and team productivity
• Exposure to the financial services and trading system domains
• Familiarity with classis (XML-wired) Spring MVC and MyBatis/iBatis
• SQL and database design knowledge

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