Senior Java Spring Developer

Technologies we use

Expected

• Java
• Spring
• Hibernate
• REST

Optional

• Microsoft Azure
• Docker
• Kubernetes
• NoSQL
• TDD

About the project

We are looking for a Senior Java Developer to join our project from the retail industry. The project is related to the acquisition of another company and the migration and unification of the systems of both organizations.

As our worker, you will join a community of over 700 Java Developers at Sii.

Your responsibilities

• Develop, maintain, and enhance high-quality Java applications to support B2C and B2B business requirements
• Collaborate with cross-functional teams (Product Owners, Scrum Masters, Business Analysts, Architects, and Testers) to deliver scalable and maintainable solutions
• Participate in the design and implementation of middle-layer systems on Azure for efficient data handling and delivery
• Create and maintain REST and SOAP APIs, including proper documentation using Swagger
• Work with containerized applications using Kubernetes and Docker, ensuring seamless deployment and scaling
• Adhere to Agile software development practices, actively participating in Scrum ceremonies and contributing to iterative improvements
• Apply industry best practices, including design patterns and principles, to ensure maintainable and efficient codebases

Our requirements

• At least 6 years of Java development experience, including Java 17+ versions, Spring framework, JUnit, Spock, JPA, and Hibernate
• Expertise in cloud computing (preferably Azure)
• Proficiency in PostgreSQL, SQL, NoSQL databases, and Redis
• Experience in REST/microservice architecture (and documenting on Swagger)
• Working knowledge of GitHub actions, Gradle, Sonar, Git, Docker, Kubernetes, Kibana, and Grafana
• Some experience in agile software development methodologies (SCRUM)
• Fluency in both English and Polish
• Knowledge of TDD and BDD ways of automated testing
• Basics of Domain Driven Design 
• Expertise in service mesh 
• Residing in Poland required

What we offer

• Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas
• Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market
• We share the profit with Workers - over PLN 60M has already been allocated for this aim since 2022
• Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more
• Comfortable workplace – class A offices or remote work
• Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application
• PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers
• Investment in your growth – meetups, webinars, training platform and technology blog – you choose
• Fantastic atmosphere created by all Sii Power People

Recruitment stages

• Send your CV
• Talk to us about your expectations
• Learn more about our projects and choose the best
• Start your adventure with Sii!

Sii Sp. z o.o.

Sii is the leading technology consulting, digital transformation, engineering, and business services vendor in Poland. We already employ more than 7 500 professionals and implement projects in a variety of industries for clients from many countries around the world.

The Great Place to Work title, won 10 times in a row, proves that at Sii we create a friendly work environment. In a survey, as many as 90% of our employees responded that Sii is a great place to work, and 95% of them think we have a great atmosphere here.