Possible location
  • Warsaw
Technologies & tools

Must have:

  • Java
  • Spring
  • Hibernate
  • REST

Nice-to-have:

  • PostgreSQL
  • CosmosDb
  • Microsoft Azure

Join our dynamic team as we launch an innovative new approach to customer loyalty programs! Our project aims to build a next-generation platform to manage and deliver various benefits to our customers across multiple locations. Beyond just providing monetary value, our goal is to remove friction and make life a little easier for our customers every day.

On a technical level, we will be integrating SaaS vendors with our internal systems and business workflows to achieve the objectives of our new loyalty program. You will have the opportunity to work with cloud technologies like Azure or AWS, develop shared experience APIs, and engage with topics like Data Lakes, Analytics, and Machine Learning.

Your role

  • Develop, test, and maintain Java-based applications using Java 11+, including JUnit, Spock, Groovy, JPA, Hibernate, Gradle
  • Work with the Spring framework (Spring Data, Boot, Security, Cloud) to build robust microservices
  • Model and manage databases, including NoSQL (Cosmos), PostgreSQL, and Redis
  • Collaborate on CI/CD pipelines using GitHub Actions, Azure DevOps, and Docker
  • Implement REST/SOAP interfaces, document them on Swagger, and maintain a microservice architecture
  • Contribute to a cloud-based architecture, preferably on Azure, AWS experience is a plus
  • Apply TDD, BDD, and DDD methodologies
  • Participate actively in Agile software development frameworks - SAFE & Scrum

Your skills
  • At least 3 years of professional experience in Java development
  • Proven experience with Java 11+ and related technologies - JUnit, Spock, Groovy, JPA, Hibernate
  • Strong experience with the Spring framework, including Spring Boot, Spring Data, Spring Security, and Spring Cloud
  • Hands-on experience in database modeling and management - NoSQL databases like Cosmos, PostgreSQL, SQL, Redis
  • Proficiency in CI/CD tools and pipelines - GithHub Actions, Azure DevOps, Docker
  • Experience with cloud platforms, preferably Azure, AWS experience is a plus
  • Strong knowledge of REST/SOAP interfaces and microservice architecture
  • Practical knowledge of TDD, BDD, and DDD methodologies
  • Some experience working in Agile environments (SAFE, Scrum)
  • Excellent communication skills both in Polish and English (B2/C1 level)

Job no. 240917-3WZRM

Why Sii

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

Fascinating projects

prestigious brands from around the world, long-term contracts and preferred partner status for many clients

Project suited to you

Do you want to change your career path? Is your project coming to an end? We’ll find you a new one! We have an app for this – Job Changer

We share the profit with Workers

Last year we allocated PLN 2,1BN to this benefit

PLN 500 000 per year for your ideas

with this amount, we support the passions and voluntary actions of our workers

7 500 experts and many development opportunities

Tech Communities, workshops, a training platform, and a technology blog – you choose

Employment stability

revenue of EUR 300 M, no debts, since 2006 on the market

Great, comfortable offices

perfect place to work, integrate, have fun together, and celebrate successes

Open-minded and available management team

quick decision-making, we’re all on a first-name basis

True values

these are not empty words – we’re guided by them every day

Fantastic atmosphere

created by all Sii Power People

Attractive benefits package

private healthcare, benefits cafeteria platform, car discounts and more

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