Intern Java Backend Developer

Connecting clients to markets and talent to opportunity

With 4500 employees and over 400000 retail and institutional clients from more than 80 offices spread across five continents were a Fortune-50 Nasdaq-listed provider connecting clients to the global markets focusing on innovation human connection and providing world-class products and services to all types of investors.

At StoneX we offer you the opportunity to be part of an institutional-grade financial services network that connects companies organizations and investors to the global markets ecosystem. As a team member youll benefit from our unique blend of digital platforms comprehensive clearing and execution services personalized high-touch support and deep industry expertise. Elevate your career with us and make a significant impact on the world of global finance.

StoneX Internship

Are you looking to gain real world experience in an entrepreneurial culture Consider an internship at a thriving global financial services firm and launch your career with StoneX! A StoneX Internship will provide development support career growth and an endless array of opportunities. You can expect to make an impact on the business and experience a career defining internship program.

Internship Perks:

In addition to the real-world experience youll gain at StoneX were excited to offer interns several perks which include the following:

• Compensation: All interns are paid a competitive rate.
• Socials:Networking and acclimation to the company office and city are important aspects of the internship program. Social and local favorites are planned at various points with large events at the beginning and end of your internship.
• Access to Senior Leaders:Senior leaders are involved in the internship program from day one delivering training presenting on firm business weekly leadership calls and even attending socials.
• Training:Virtual and in-person training to get interns onboard and connected with the company globally.
• Mentorship:Interns have a mentor and buddy to help answer any questions and work alongside them during their internship.

We are seeking an intern currently pursuing studies in the IT field with a foundational understanding of server-side development and a strong motivation to grow in this area. The ideal candidate is eager to gain hands-on experience contribute to real-world projects and potentially continue their journey with StoneX following a successful internship.

Responsibilities:

• Support the mobile development team by contributing to the creation and maintenance of microservices used by our mobile applications.
• Collaborate closely with team members to design implement and test microservices ensuring alignment with project goals and technical standards.
• Actively participate in team meetings sharing ideas asking questions and learning from experienced professionals.

• Currently enrolled in a Bachelors or Masters program in Computer Science Software Engineering or a related IT field.
• Understanding of server-side development concepts and technologies (e.g. REST APIs databases backend frameworks).
• Familiarity with Java other programming languages such as a plus.
• Strong willingness to learn grow and contribute to real-world projects.
• Good communication skills and ability to work effectively in a team-oriented environment.
• Interest in mobile application development and backend integration.
• Availability to work part-time during studies and openness to consider full-time employment after the internship.

Early Careers Requirements

• Pursuing a Bachelors or Masters degree from an accredited university in a relevant program and graduating between December 2026 and August 2027 (entering penultimate year of university)
• Available for a July 2026 start date for a 13-week program
• Proficiency with Microsoft Office suite (preferably Excel)
• Must be authorized to work in Poland for any employer

Working environment

4 days in the office 1 day at home.