Senior Java Backend Engineer

5+ years of experience

Katowice, Poland

330Senior Java Backend EngineerKatowice, PolandFULL TIMEEnglish B2


Our customer is a international company which delivers the most complete solution for risk-free digital transformations. For one of their offices, in Katowice, Poland, we are selecting a:

Senior Java Backend Engineer

The candidate needs:

  • 5+ years of experience in Java
  • Experience with server-side development, ideally on JVM platform
  • Experience with SQL and NoSQL databases (e.g. PostgreSQL, Cassandra, Elasticsearch, Redis)
  • Working knowledge of Linux
  • Good knowledge of multithreading concepts
  • English B2


  • Expand and present a wide range of microservices for a growing platform
  • Take part in architectural and code reviews
  • Help to design a universal and usable API
  • Collaborate in an Agile environment
  • Lead other team members in managing more difficult tasks
  • Evaluate new technologies, ideas and approaches
  • Write various tests, for ex. unit, integration and system

Welcomed requirements:

  • Scala or other JVM programming language
  • Distributed systems
  • Kafka or other messaging middleware
  • Data processing framework (such as Spark, Flink or Kafka Streams)
  • Docker, Kubernetes
  • Cloud service providers (AWS, Azure)

Company offers:

  • Flexible office with a relaxation room, free coffee, snacks, and standing desks
  • An extensive on-boarding time
  • Free English classes
  • Events, seasonal parties, international trips and meetings
  • Competitive salary
  • Private medical and life insurance and fitness passes
  • Home office days
  • Mac, Windows, or a Linux machine

If interested please send your cv at with the job reference JOBID: 330 in the title AND:

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