Backend Engineer Intern

At ING we are looking for a Backend Engineer Intern to join our IT Engineering community. You will be part of our technology platforms that enable our business to build applications for millions of customers. As an intern you will be allocated to one of our projects, contribute to the code base, and learn new technologies and engineering methodologies.

• Support the implementation of new backend features and improvements to existing systems, following standards and best practices.
• Assist in identifying defects and proposing solutions under the guidance of senior engineers.
• Help review logs, metrics, and data to detect issues and potential improvements across the squad’s digital products.
• Learn and support the use of continuous integration and deployment pipelines in accordance with internal policies.
• Contribute to understanding and using different environments (development, integration, production) within the software lifecycle.
• Collaborate in creating and running basic tests to ensure correct backend behavior.
• Become familiar with cybersecurity principles, performance optimization, and engineering best practices.

• Basic proficiency in software development using Java.
• Familiarity with backend frameworks such as Spring Boot.
• Understanding of secure and clean coding principles, and interest in learning automated and unit testing.
• Familiarity with source control and CI/CD tools (e.g., Git, Azure Dev Ops).
• Willingness to work in a collaborative Scrum environment and learn from senior engineers.
• Curiosity about backend fundamentals such as APIs, databases, performance, logging, and observability.

• Paid internship program.
• Flexible working model – choose which days to work remotely and which to work at the ING Madrid office.
• Free company bus with routes to the ING office in Madrid.
• Access to health services, physiotherapy, and psychological support.
• Employee net‑working events and sports activities.