Senior Java Developer
Circle K
Warszawa, PL
1 d. temu
source : Just Join IT

About Circle K

Circle K provides online software solutions to its customers across Europe and North America.Our development teams (about 100 skilled IT specialists) are mainly internal, located in Poland, although we cooperate with some external partners.

In last few years, we have successfully implemented and deployed various software solutions, including web applications, native mobile applications and technical components.

Considering Circle K global scale, our ambition is to unify our IT software architecture, so that it can provide its capabilities in any location where Circle K is present.

To achieve that, we decided to build a new, global retail sale platform, based on cloud services (mainly Azure), that will provide its capabilities without location constraint.

It is not only a project / program, but a comprehensive initiative that is reshaping our existing software architecture, making it much more advanced.

Differences in local markets, law regulations, customer behaviors, global scale, security aspects, advanced technology, etc.

  • all of these make it a challenging ambition, which is why we need you!You will work with us using newest technology stack, having numerous skilled developers, analysts and architects as new colleagues, working in an agile, multinational environment.
  • If you are looking for a place to work where you could learn new things, have some real challenges, implement advanced software that is used on global scale, you are more than welcome to join us!


  • 4+ years' JAVA development experience, including JAVA 8+ versions, JUnit, Spock, JPA, Hibernate, JAX-RX, JAX-WS
  • 2+ years' Spring framework experience (Data, Boot, Cloud...)
  • Experience in PostgreSQL, SQL, NoSQL (MongoDB, Cosmos DB), Redis
  • Experience in REST / SOAP interfaces (and documenting on Swagger)
  • Experience in working with Jenkins, Sonar, Git, Gradle, k8s, Docker
  • Nice to have experience in JavaScript, Angular, AngularJS, Bootstrap, React, React Native, TypeScript and modern SPA frameworks
  • Nice to have experience in cloud environments, Azure preferred
  • Nice to have knowledge of TDD and BDD ways of automated testing (using spock / mockito / cucumber)
  • Experience in agile software development methodologies (SCRUM)
  • Knowledge and practice in applying design patterns / principles
  • Basics of Domain Driven Design
  • Master’s degree in computer science or Engineering
  • Fluent English is a must - level B2 / C1
  • What do we offer?

  • Annual bonus
  • Private medical care
  • Multisport
  • English lessons subsidized by the company
  • Group insurance
  • Attractive discounts for products and services at our stations
  • Employee stock purchase plan
  • Modern and convenient office that you can virtually visit here -
  • Trainings & possibility to develop skills in a wide international environment
  • Covid-19

    Nowadays our teams are working remotely. Traveling to office is expected occasionally.When working with us you can depend upon it that you will not be judged on the grounds of race, national origin, gender, sexual orientation, disability, age, or other legally protected status.

    Oppositely we believe that our diverse and inclusive culture helps us create an amazing atmosphere where everybody feels welcome.

    Check who we are here :

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