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Kraków, Poland

Intern – Backend Developer

Internship
Financial Services
Software Eng
October 28, 2025

StoneX

Multi-market financial services
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Connecting clients to markets – and talent to opportunity

With 4,500 employees and over 400,000 retail and institutional clients from more than 80 offices spread across five continents, we’re a Fortune-100, 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, you'll 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.

Business Segment Overview

Corporate:

Engage in a deep variety of business-critical activities that keep our company running efficiently. From strategic marketing and financial management to human resources and operational oversight, you’ll have the opportunity to optimize processes and implement game-changing policies.

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 you’ll gain at StoneX, we’re excited to offer interns several perks which include the following:

Responsibilities

Position Purpose:

Java Engineer working within EIT Dev Technology Internal Hub department.

Primary duties will include (not limited to):

Qualifications

Required technical skills/experience:

Nice-to-have skills/experience:

StoneX Essential Qualifications

  Early Careers Requirements

Working environment

Hybrid with minimum of 4 days in the office