Sii Poland

java developer in loyalty programs

In short

Senior Java backend developer role at Sii Poland, an IT services and consulting company, working on a large-scale enterprise Java application running in the cloud. The role covers end-to-end feature ownership, from requirements analysis through implementation, testing, and production support, with close collaboration with business and engineering stakeholders. Requires at least 8 years of Java backend experience, Spring/Spring Boot expertise, cloud experience (AWS or similar), and advanced Polish and English. Hybrid work format with monthly business trips to Warsaw.

Описание
Sii Poland provides IT services and consulting. The company supports contracts with major brands and develops large-scale enterprise software solutions.
Задачи
•Develop and maintain a large-scale Java application running in the cloud
•Analyze business requirements and production issues to design robust, maintainable solutions
•Own features end-to-end, from requirements analysis through implementation, testing, deployment, and production support
•Collaborate closely with business stakeholders, product teams, and other engineers
•Communicate technical concepts and solution proposals clearly to technical and non-technical audiences
•Create and maintain automated tests to ensure software quality and support continuous delivery
•Document architectural decisions, design concepts, and implementation approaches
•Participate in code reviews and contribute to engineering best practices
Требования
•At least 8 years of professional experience in Java backend software development in large-scale enterprise applications and complex codebases
•Solid knowledge of Java, Spring/Spring Boot, object-oriented design principles, and clean code practices
•Experience with AWS or another major cloud provider
•Strong understanding of application architecture, performance optimization, and maintainability
•Experience with automated testing, including unit and integration tests
•Familiarity with CI/CD pipelines and modern software delivery practices
•Excellent communication skills and ability to collaborate with technical and business stakeholders
•Advanced Polish and English
Условия
•Business trips to Warsaw once a month
•Profit sharing
•Passion Sponsorship program
•Regular integration events and trips
•Comfortable and well-equipped offices
•Medical care
•Internal training centre
•Access to experts and an open, accessible management team
•Contracts with major brands

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