Senior Developer (Java, React)

ING Hubs Poland is hiring!

We are looking for you if:

• You have strong experience with Java/Kotlin and React
• You enjoy working across the full stack—from frontend to backend to cloud
• You’re comfortable with CI/CD pipelines, Kubernetes, and agile development
• You care about writing clean, testable, and scalable code
• You’re a team player who values collaboration and continuous learning

You'll get extra points for:

• Experience with Vite, Vitest, or WebComponents
• Familiarity with Azure DevOps and cloud-native architectures
• Strong testing skills using JUnit, REST Assured, or Cypress
• Knowledge of MS-SQL or other relational databases
• Mentoring experience or a passion for sharing knowledge

Your responsibilities:

• Build and maintain full-stack applications using Java/Kotlin and React
• Design scalable solutions with modern tech stack and AI tools
• Contribute to architecture decisions
• Develop and maintain CI/CD pipelines and cloud infrastructure
• Write and maintain automated tests to ensure high code quality
• Collaborate with product owners, designers, and other developers in agile teams
• Participate in code reviews and knowledge-sharing sessions

Information about the squad:

Work in a large international team, in cooperation with many units of the ING Group. At ING Hubs Poland, we operate in accordance with the Agile approach, based on agile methodologies such as Scrum and Kanban. We are an innovative organization that bases its activities on trust in the people we work with. Thanks to the great freedom of action, we stimulate motivation and creativity, which speeds up work and allows us to flexibly adapt to the changing expectations of our business partners. The basis of our organization are small units called squads, which have a clear vision of their product, independently overcome emerging challenges and together develop the most flexible and effective ways of operating.

The role naming convention in the global ING job architecture will be “Engineer IV”