WEB DEVELOPER

Company Overview

Spark Systems is a Singapore-based FinTech firm building smart, low-latency electronic trading platforms for institutional FX markets. We enhance user experience with stable, fast execution, data-driven analytics, and innovative technology for diverse buy-side clients.

Job Summary

Spark Systems seeks a Web Developer passionate about building high-performance, scalable web applications for a low-latency electronic trading platform, solving complex technical challenges, and collaborating across teams to deliver impactful trading solutions.

Responsibilities

Build and enhance responsive, scalable web applications for a low-latency electronic trading platform to support global FX markets

Develop maintainable frontend and non-UI components that improve platform stability and user experience

Integrate REST APIs and real-time data streams using WebSocket to enable seamless data flow and execution

Collaborate closely with Product, QA, and Engineering teams to deliver high-quality features from design through production release

Participate in code reviews, testing, deployment, and continuous improvement to ensure production-quality code

Investigate performance bottlenecks and optimize application responsiveness and scalability for end users

Take ownership of feature development, demonstrating initiative and accountability throughout the software lifecycle

Preferred competencies and qualifications

Proficiency in JavaScript / TypeScript for building dynamic web applications

Experience with React.js to create interactive user interfaces

Knowledge of HTML5 and CSS3 for responsive design implementation

Familiarity with REST APIs and WebSocket protocols for real-time data integration

Use of Redux Toolkit or other state management libraries to manage application state effectively

Competence in Git version control and browser developer tools for debugging and collaboration

Problem-solving and debugging skills applied to complex technical challenges in a fast-paced environment

Bonus skills include Java, Canvas API, Web Workers, Jenkins, Maven, monorepo environments, and experience with financial markets or trading platforms

Why Join Spark Systems

Work on mission-critical technology used in global financial markets

Solve real-time, high-performance engineering challenges

Join a collaborative and innovative engineering culture

Learn from experienced professionals in FinTech and Capital Markets

Have a direct impact on product development and client success

Application Requirements

Submit your CV/Resume

Provide GitHub profile (if available)

Share portfolio or project links

Include examples of web applications you have built