Senior Java Software Engineer

ING Hubs Poland; Warszawa; In loco; PLN 180.000 - 280.000; Tempo pieno

Descrizione del lavoro

ING Hubs Poland in Warsaw seeks an experienced engineer to design and develop robust full‑stack applications, improve architecture, and drive scalability across production systems. The role, named Engineer III or Engineer IV in ING's global architecture, requires strong Java, Spring Boot, and SQL skills, plus familiarity with microservices, containers (Docker/OpenShift), and automated CI/CD pipelines.

You will apply high‑quality engineering practices, actively troubleshoot issues, and contribute

Competenze

• MSc in Computer Science or equivalent practical experience.
• 5+ years building and maintaining production-grade software.
• Strong foundations in algorithms, data structures, design patterns, and concurrency.
• Proven ability to build modular, testable, and maintainable systems.
• Hands-on experience with Java, Spring Boot, Git, and SQL.
• Knowledge of Micro-Services architecture, container technologies: Docker, OpenShift,
• Experience and understanding of (test) automation, continuous delivery, deployment tools and pipelines.
• Strong analytical thinking and a problem-solving mindset.
• Good command of English (written and spoken).
• Experience in front-end development.

Mansioni

• Design and develop 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, ensuring long-term stability.

Conoscenze

Algorithms

Data structures

Concurrency

Modular design

Test automation

Front-end development

Formazione

MSc in Computer Science

Strumenti

Java

Spring Boot

Git

SQL

Docker

OpenShift

Descrizione del lavoro

The expected salary for the position of:

The financial ranges specified in the announcement are adjusted and may differ from the range specified in the remuneration regulations.

We are looking for you, if you have:

• MSc in Computer Science or equivalent practical experience,
• 5+ years of experience building and maintaining production-grade software,
• Strong foundations in algorithms, data structures, design patterns, and concurrency,
• Proven ability to build modular, testable, and maintainable systems,
• Hands-on expertise in Java, Spring Boot, Git, and SQL,
• Knowledge of Micro-Services architecture, container technologies: Docker, OpenShift,
• Experience and understanding of (test) automation, continuous delivery, deployment tools and pipelines,
• Strong analytical thinking and a problem-solving mindset,
• Good command of English (written and spoken).
• Experience in front-end development.

Your responsibilities:

• Design and develop 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, ensuring long-term stability.

The role naming convention in the global ING job architecture will be “Engineer III" or "Engineer IV".