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Fullstack Java Developer​/Boot Developer - Poznań lub Düsseldorf

Job in Louisville, Jefferson County, Kentucky, 40210, USA
Listing for: Altavia
Full Time, Seasonal/Temporary position
Listed on 2026-07-20
Job specializations:
  • Software Development
    Java Developer, Backend Developer, Full Stack Developer
Job Description & How to Apply Below
Position: Fullstack Java Developer / Spring Boot Developer - Poznań lub Düsseldorf

Fullstack Developer

Altavia Adware Sp. z o.o. operates since 2003 and is part of the Altavia group. As part of Altavia, we leverage the experience of a large organization that brings together specialists from the fields of advertising, marketing, and media services. This combination provides us with a stable foundation, extensive business prospects, and the ability to implement projects for clients operating in numerous markets.

In our Poznań branch, we form a team of over 20 outstanding and committed IT specialists. We work on our own system to facilitate the creation of marketing communication materials and support our clients in the areas of PIM, CMS, and Knowledge Management. We actively develop new AI tools and mechanisms that support the above-mentioned areas.

We are a team that values competence, responsibility, and partnership. We combine the stability of a well-established organization with the opportunity to work on modern IT solutions.

About the Role

We are looking for a Fullstack Developer with a focus on Java and Spring Boot. The person in this position should have basic or practical skills in several areas: frontend, backend, testing, and deployment. The main area of work remains the backend in Java/Spring Boot, however, an understanding of the entire software development process is expected – from implementation to testing to running applications in a container environment.

Main

Responsibilities
  • Creation and development of applications in Java/Spring Boot technology.
  • Conceptualization and implementation of backend components.
  • Creation and maintenance of RESTful APIs.
  • Work with applications based on a microservice architecture.
  • Writing and maintaining tests using Spring Boot Test.
  • Collaboration in running applications in container environments using Docker.
  • Basic participation or cooperation in the frontend area.
  • Cooperation with the Dev Ops team regarding application deployment.
  • Work with relational and/or No

    SQL databases, if required by the project.
  • Participation in requirements analysis, solution development, and solving technical problems.
Mandatory Requirements
  • Experience in creating Java applications.
  • Very good knowledge of Spring Boot.
  • Experience in testing applications using Spring Boot Test.
  • Knowledge of Docker.
  • Basic or practical skills in the areas of: backend, frontend, testing, and deployment.
  • Ability to create and work with APIs.
  • Independence, structured, and analytical approach to work.
  • Team skills and strong communication skills with various stakeholders.
  • Very good German and good English.
Nice to Have
  • Minimum 5 years of experience in Java application development.
  • Experience with RESTful APIs.
  • Experience with microservice architectures.
  • Knowledge of relational and/or No

    SQL databases.
  • Knowledge of Git.
  • Experience with CI/CD, e.g., Git Lab CI/CD.
  • Knowledge of Kubernetes/Open Shift.
  • Experience with Apache Kafka in the area of event streaming and messaging.
  • Knowledge of frontend frameworks, e.g., Angular.
  • Knowledge of Lua (optional).
  • Completed studies in computer science or a related field.
  • Ability to present, moderate, and communicate at various levels of the organization.
  • Successful completion or willingness to undergo a security check (background check), if required.

Location:

Poznań or Düsseldorf

Work Model:
On-site

Type of

Contract:

Fixed-term full-time contract

Fixed-term employment contract for 6 months

Altavia – a committed group

Diversity is a strength that we nurture. Our group promotes a policy of diversity and equality and places great importance on the recognition and development of all talents.

We have a lot to offer at Altavia.

Join our team!

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