Intern Software Engineer - Trading Systems

Valid8 Financial, Inc.; New York (NY); On-site; USD 20,000 - 32,000; Full time

Job summary

RTX Fintech and Research in New York City is seeking an Intern Software Engineer for a Sep–Dec 2026 program to design, test and operate a real-time trading system. This hands-on role covers UI, order management, matching, routing, and post-trade processing in Java, JavaScript, and Node.js.

Office-based in lower Manhattan, remote work is not available. Entry-level opportunity with potential extension to full-time in the future; strong learning mindset and ability to thrive under pressure are

Qualifications

• Entry-level position with no mandatory experience.
• Experience in software engineering or test automation for high-volume processing is desirable.
• Startup environment experience is a plus.

Responsibilities

• Design and develop trading system components for UI, order management, matching, routing and post-trade processing.
• Create automated testing, monitoring and alerting for the platform.
• Collaborate with the trading desk to understand system operations.
• Triages production issues and responds quickly during trading incidents as part of Level 3.

Skills

Work ethic

Entrepreneurship

Learning

System triage

Written communication

Education

CS/CE degree

Job description

Job Title: Intern Software Engineer - Trading Systems

Company Description

RTX Fintech and Research develops and operates the 1 st fully electronic inter-dealer marketplace for interest rate swaps and other derivatives. The marketplace is an innovative platform that provides dealers with fast, efficient price discovery, electronic execution and straight-through processing.

RTX is regulated Swap Execution Facility (SEF) in the US and a Multilateral Trading Facility (MTF) in Europe.

Role Description

Opportunity to develop, test and operate a global, real-time interactive trading system for the interdealer marketplace. This is a hands‑on, full-stack software engineering role in Java, JavaSript and node.js.

Role Type

• Internship: Sep - Dec 2026 (12 weeks) - can be extended
• Full time in office (lower Manhattan, NYC) – remote work not available for this role.

Responsibilities and Deliverables

• Design and develop trading system components covering UI, order management, trading matching, routing and post-trade processing
• Design and develop automated testing, monitoring and alerting for the trading platform
• Work closely with the trading desk to understand system operations
• Triage critical production issues and provide rapid response during trading system incidents as part of the level 3 response team

Mandatory Experience

• None - this is an entry-level position

Desired Experience

• Software engineering and/or test automation for high volume transaction processing
• Start-up environment

Key Skills

• Strong work ethic and an entrepreneurial spirit; thrive in a high‑pressure environment
• Willingness and ability to learn
• Exceptional analysis and triage of real‑time production systems
• Clear, concise and accurate written communication skills

Qualifications

• Candidate for Bachelor of Science, Master of Science or equivalent degree in computer science, computer engineering