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SQL & JAVA Developer

CRIF Sp. z o.o.About the company

  • Kraków

    Kraków, Lesser Poland
  • Offer expired a month ago
  • Remote recruitment
  • contract of employment
  • full-time
  • specialist (Mid / Regular)

Technologies we use

Operating system

About the project

We are looking for a person with strong database development experience in SQL Server and knowledge of java language. The person will join our 4-members team working in Krakow office for German clients.

Your responsibilities

  • Working with big data relational databases

  • Database design and development for interesting, complex business domain

  • Working on KPIs measuring data quality

  • Working in international environment cooperating with German business units, Italy, Slovakia and others.

  • Writing java services used to for high-performance data processing

  • Optimizing performance

Our requirements

  • Good communication skills (both oral and written) in Polish and English.

  • Excellent, practical knowledge of SQL – writing complex queries, working with large sets of data, optimizing queries.

  • Commercial experience with Java 8 or 11,

  • Spring, Spring Boot, MyBatis/Hibernate,

  • Maven, Git/SVN, IntelliJ Idea, Jenkins, JIRA,

  • jUnit, TestNG, Mockito,

  • Concurrency related experience (java.util.concurrent.* at least),

  • Familiarity with design patterns and clean code practices.


  • XML, MS Excel,

  • Batch processing,

  • Monitoring and troubleshooting (we have long uptimes),

  • Docker & Kubernetes,

  • Non-relational databases (Neo4J, MongoDB etc.),

  • Test automation tools (e.g. Selenium, jMeter),

  • JAXB/StaX

What we offer

  • Know-how about data processing optimization patterns

  • Very good, talented architects to learn from them

  • Interesting business domain

  • Possibility to learn interesting new technologies (to name only a few: Kubernetes, Docker, Mongo, Neo4j)

  • Work in international company with several business units in Europe, Asia and America

  • A stable job in a fast growing environment

  • Benefit package (private medical care, multisport, meal/restaurants discounts etc.)

  • Language classes (English & German)

  • Smart-working model