API Integration Intern — Hands-on Tech & Mentorship

Intercontinental Exchange; Jacksonville (FL); On-site; USD 25,000 - 34,000; Full time

Job summary

Intercontinental Exchange offers an Internship Program in Jacksonville, with hands-on work on core platform services and APIs supporting internal teams and external clients. You will collaborate with engineers, participate in weekly sessions, and gain exposure to mortgage servicing platforms and industry-standard tools.

You will contribute to API design, testing, documentation, and runbooks while presenting a final project to leadership.

Qualifications

• Must be currently enrolled in a degree program at an accredited university and be at least advancing to their junior year of study.
• Familiarity with REST APIs, JSON, and HTTP fundamentals.
• Experience with API tools such as ReadyAPI, Postman, or Swagger/OpenAPI.
• Basic knowledge of SQL and API security concepts (OAuth, tokens, rate limiting).
• Strong problem-solving skills and attention to detail.

Responsibilities

• Support the development, testing, and enhancement of API services across the mortgage servicing platform
• Assist with API design and documentation, including versioning, policies, and developer-facing materials
• Write and maintain unit, integration, and automated API tests
• Help investigate defects, review logs and monitoring data, and contribute to sprint ceremonies
• Prepare technical documentation such as runbooks and API usage guides, and deliver a final project presentation to team leadership

Skills

REST APIs

JSON

HTTP fundamentals

Problem-solving

Attention to detail

Education

Enrolled in a degree program

Tools

ReadyAPI

Postman

Swagger/OpenAPI

Job description

Intercontinental Exchange offers an Internship Program in Jacksonville, with hands-on work on core platform services and APIs supporting internal teams and external clients. You will collaborate with engineers, participate in weekly sessions, and gain exposure to mortgage servicing platforms and industry-standard tools.

You will contribute to API design, testing, documentation, and runbooks while presenting a final project to leadership.