Full Stack Developer with Java

Description du poste:

ING Hubs Poland is hiring!

The expected salary for this position: 15 000 - 22 000 PLN gross.

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

Your Day-to-Day:

* Build and evolve user-facing applications that provide sustainability insights, portfolio steering capabilities and emissions-related decision support.

* Develop backend services, APIs and integrations that enable the collection, processing and delivery of sustainability-related data.

* Collaborate closely with Product Owners, UX Engineers, Data Analysts, Data Engineers and business stakeholders to transform complex sustainability requirements into scalable digital products.

* Contribute to technical design and architectural decisions, ensuring solutions remain scalable, maintainable and aligned with long-term product goals.

* Support the evolution of the web application landscape as the platform expands across business domains and sustainability sectors.

* Implement automated testing, monitoring and continuous delivery practices to ensure high-quality software delivery.

* Improve engineering standards, reduce technical debt and continuously enhance platform reliability and maintainability.

* Work with data-intensive solutions, visualizations and business workflows that help users understand sustainability performance and climate-transition metrics.

* Mentor colleagues, share knowledge and contribute to raising the engineering maturity of the team.

* Actively challenge existing solutions and identify opportunities for continuous improvement across products, processes and technology.

Who are we looking for?

* Bachelor's degree in Computer Science, Software Engineering, Information Technology, Computer Engineering or a related technical discipline (required).

* Master's degree in a related field is considered a strong advantage.

* Relevant professional certifications in software engineering, cloud technologies, DevOps or solution architecture are considered a plus.

* Extensive experience designing, developing and maintaining modern software applications.

* Strong experience across both front-end and back-end development.

* Experience building scalable web applications and distributed systems.

* Strong proficiency in Java, Kotlin or other JVM-based technologies.

* Experience with modern front-end frameworks and technologies, preferably React and TypeScript.

* Experience designing and integrating REST APIs and service-based architectures.

* Strong understanding of software engineering principles, object-oriented design, design patterns and clean code practices.

* Experience with relational databases and data-driven applications.

* Experience implementing automated testing strategies and quality assurance practices.

* Familiarity with CI/CD pipelines and modern software delivery methodologies.

* Experience working in Agile and multidisciplinary teams.

* Excellent problem-solving, communication and stakeholder-management skills.

* Ability to take ownership of complex topics from discovery through implementation and operational support.

* Demonstrated ability to mentor engineers and positively influence technical decisions.

Nice to Have:

* Experience with cloud-native architectures, containerisation and Kubernetes-based platforms.

* Experience working with data-intensive products, analytics platforms or reporting solutions.

* Experience building products involving sustainability, ESG, climate or regulatory domains.

* Familiarity with Azure DevOps or similar engineering toolchains.

* Experience contributing to technical roadmaps, architecture evolution and platform strategy.

* Understanding of data engineering concepts, data pipelines and large-scale data processing.

* Experience working within large, international organisations and cross-border teams.

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