Senior Java Spring Developer

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, and GradleWork with the Spring framework (Spring Data, Boot, Security, Cloud) to build robust microservicesModel and manage databases, including NoSQL (Cosmos), PostgreSQL, and RedisCollaborate on CI/CD pipelines using GitHub Actions, Azure DevOps, and DockerImplement REST/SOAP interfaces, document them on Swagger, and maintain a microservice architectureContribute to a cloud-based architecture, preferably on Azure, AWS experience is a plusApply TDD, BDD, and DDD methodologiesParticipate actively in Agile software development frameworks - SAFE & Scrum

Your skills

At least 5 years of professional experience in Java developmentProven experience with Java 11+ and related technologies - JUnit, Spock, Groovy, JPA, HibernateStrong experience with the Spring framework, including Spring Boot, Spring Data, Spring Security, and Spring CloudHands-on experience in database modeling and management - NoSQL databases like Cosmos, PostgreSQL, SQL, RedisProficiency in CI/CD tools and pipelines - GithHub Actions, Azure DevOps, DockerExperience with cloud platforms, preferably Azure, AWS experience is a plusStrong knowledge of REST/SOAP interfaces and microservice architecturePractical knowledge of TDD, BDD, and DDD methodologiesSome experience working in Agile environments (SAFE, Scrum)Excellent communication skills both in Polish and English - B2/C1 level

Job no. 240917-2NCZP

Why Sii

Great Place to Work

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 with many clients

Projects suited to you

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We share the profit with Workers

last year we allocated PLN 23 M to this benefit

PLN 1 000 000 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 480M, 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

Benefits

Attractive benefits package

private healthcare, benefits cafeteria platform, car discounts and more

Key Skills

• Spring Boot