Senior Java Software Engineer

About the role

ING Hubs Poland is hiring a Senior Java Software Engineer in Katowice. The role covers designing and developing a robust full-stack application and improving its architecture, scalability and infrastructure, including CI/CD pipelines. The role naming convention in the global ING job architecture is "Engineer III" or "Engineer IV".

Key responsibilities

• Design and develop a robust full-stack application.
• Continuously improve architecture, scalability and infrastructure, including CI/CD pipelines.
• Enhance performance, reliability and system resilience in production environments.
• Apply and promote high-quality engineering practices, including automated testing.
• Proactively identify, troubleshoot and resolve issues to ensure long-term stability.

Required profile

• MSc in Computer Science or equivalent practical experience.
• 5+ years of experience building and maintaining production-grade software.
• Strong analytical thinking and a problem-solving mindset.
• Good command of English, written and spoken.

Required skills

• Java, Spring Boot, Git and SQL.
• Algorithms, data structures, design patterns and concurrency.
• Microservices architecture and container technologies such as Docker and OpenShift.
• Test automation, continuous delivery and deployment tools and pipelines.
• Extra points for front-end development experience.