Intern – Backend Developer at StoneX Group
Krakow, Lesser Poland Voivodeship, Poland -
Full Time


Start Date

Immediate

Expiry Date

11 Jan, 26

Salary

0.0

Posted On

13 Oct, 25

Experience

0 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

No

Skills

Java, Spring Boot, PostgreSQL, SQL, Git, Unit Testing, Microservices, Rest APIs, ORM, Mocking, Messaging Platforms, Kafka, RedPanda, DevOps, CI/CD, Agile Methodology

Industry

Financial Services

Description
Overview 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: 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. Responsibilities Position Purpose: Java Engineer working within EIT Dev Technology Internal Hub department. Primary duties will include (not limited to): Contribute to all phases of the development lifecycle working within Agile methodology Write well designed, testable and efficient code Ensure designs follow specifications Collaborate and take instruction from peer engineers to complete tasks Document all components/methodologies as required Qualifications Required technical skills/experience: Java, Spring Boot PostgreSQL (or similar relational DB), SQL Git Unit Testing Nice-to-have skills/experience: Microservices, Rest APIs, ORM, Mocking Messaging platforms (Kafka, RedPanda) DevOps, CI/CD Agile methodology StoneX Essential Qualifications Ability to work positively in a team environment Ability to handle constructive feedback and learn/adapt Sound verbal/written communication abilities Effective interpersonal skills Sense of urgency Honesty, curiosity, and tenacity Strong work ethic and emphasis on attention to detail Early Careers Requirements Pursuing a bachelor’s 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 10-week program Proficiency with Microsoft Office suite (preferably Excel) Must be authorized to work in Poland for any employer Working environment Hybrid with minimum of 4 days in the office
Responsibilities
The intern will contribute to all phases of the development lifecycle while working within Agile methodology. Responsibilities include writing well-designed, testable, and efficient code, ensuring designs follow specifications, and collaborating with peer engineers.
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