Job Description
Job Purpose
Intercontinental Exchange (ICE) is seeking a Senior Front-End Web Developer responsible for building and supporting shared libraries and frameworks as well as single-page applications (SPA) . These large-scale applications integrate with disparate systems using RESTful web services, JavaScript APIs, and other back-end systems. The ideal candidate will have deep expertise in JavaScript, CSS, and HTML, along with modern frameworks and tools such as React, Redux, and TypeScript. A strong understanding of functional programming principles is essential. Passion, discretion, analytical thinking, and independent judgment are key to success in this role.
Responsibilities
- Contribute to the design and development of company-wide web applications and libraries.
- Lead efforts to design, architect, and implement new software components.
- Independently manage project activities related to builds and deployments.
- Create and maintain software tests to ensure functionality and quality.
- Develop design documentation for new software and subsequent versions.
- Identify opportunities to improve and optimize applications.
- Collaborate with business analysts or product managers to understand new requirements.
- Support and mentor developers on JavaScript/web concepts.
- Adhere to team guidelines for quality and consistency.
- Follow company software development processes and standards.
Knowledge and Experience
- Bachelor's degree in computer science; graduate degree preferred.
- 5+ years of advanced JavaScript and functional programming experience.
- 3+ years of advanced CSS experience.
- 2+ years of HTML5 techniques.
- Experience with iterative/test-driven development, code refactoring, and continuous integration.
- Experience with at least one JavaScript framework (e.g., React, Vue.js, Angular).
- Experience with client-side testing tools (e.g., React-Testing-Library, Jest, Enzyme).
- Familiarity with unit/e2e/accessibility testing and debugging workflows
- Experience with server-side technologies such as Node.js.
- Strong understanding of browser quirks and cross-browser optimization.
- Passion for learning new technologies and adapting to fast-paced environments.
Preferred Skills
- React
- Redux
- TypeScript
- Modern JavaScript language features (ES6+)
- CSS-in-JS (e.g., Emotion), Tailwind, LESS, or SASS
- RESTful design concepts and JSON-pure APIs
- Webpack / Vitejs (or similar)
- Babel.js
- Node.js (npm)
- Git
- SDLC processes
- Electron
- Knowledge of RAG / MCP / LLM technologies
- Familiarity with AI-assisted development tools and processes (e.g. CoPilot, Cursor)
