Oferta pracy

Senior Java Backend Engineer

Proximetry Poland Sp. z o.o.O firmie

Rekrutacja zdalna

Rekrutacja zdalna

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Rekrutacja zdalna

Proximetry Poland Sp. z o.o.

Uniwersytecka 20


Relayr is the Industrial Internet of Things (IIoT) powerhouse delivering the most complete solution for risk-free digital transformations. Our unique value stack combines pioneering IIoT technologies with skilled delivery, exclusive financing, and risk-free insurance models.
We unleash data insights from existing equipment, machines and production lines to improve our customers’ business outcomes. With around 300 employees, we are a truly global family with locations in Germany, the USA, Poland, Italy, France, and the UK. Named twice the hottest start-up in Berlin by WIRED magazine and a winner of The Spark - the German Digital Award, relayr is now part of the Munich Re group.
Proximetry Poland Sp. z o. o. is the Polish research and development division of relayr. We are responsible for developing software for the IoT enterprise platform with all software designed, implemented, and tested in Katowice. We also provide support for the installation and maintenance of our software for clients across the globe.
Currently we are looking to hire a Senior Java Backend Engineer in our Katowice office.
You will join a team of 4 Java Software Developers and be responsible for development and maintenance of our IoT platform. You will build data streaming infrastructure and work on scalability / performance problems. We are looking for someone experienced in design and development of distributed cloud services with understanding of performance, scalability and multithreading issues.
Senior Java Backend Engineer


  • Design, develop and maintain a wide range of microservices for our growing IoT platform
  • Take part in architectural and code reviews
  • Help to design a universal and usable API for IoT
  • Collaborate with colleagues internationally in an Agile environment
  • Guide other team members in handling more complex issues
  • Evaluate new technologies, ideas and approaches
  • Write unit, integration and system tests


  • 5+ years of experience in Java programming language
  • 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 systems
  • Good understanding of multithreading concepts
  • Good command of English

Nice to have:

  • Experience in Scala or other JVM programming language
  • Experience with distributed systems
  • Experience with Kafka or other messaging middleware
  • Experience with a data processing framework (such as Spark, Flink or Kafka Streams)
  • Experience with Docker, Kubernetes
  • Experience with cloud service providers (AWS, Azure)

Our Offer:

  • Flexible office environment and a modern office located in Katowice city centre with a relaxation room, free coffee, snacks, and standing desks
  • Get exposed to international colleagues and customers from around the globe. Our working languages are Polish and English!
  • An extensive on-boarding period so you can get up to speed with the rest of the team
  • A learning environment where you can build upon your skills and interests, share knowledge, and attend events and conferences pertaining to your discipline. We also offer free English classes
  • Have some fun with regular get-togethers, including sports events, seasonal parties, international trips and meetings
  • Competitive salary
  • Benefits package, including private health care, life insurance, and fitness passes
  • Optional home office days
  • Choose between a Mac, Windows, or a Linux machine
  • We offer the ability to work with the newest tech-stack and the most talented engineers in IoT industry! 


At relayr, we are passionate about creating an inclusive workplace that promotes and values diversity. As firm believers in the power of different perspectives, we encourage our employees to share knowledge and exchange bold ideas to help innovation in the IoT industry thrive.We are committed to creating a fair, supportive, and open environment for all.

Proximetry Poland Sp. z o.o. is the Polish entity of the relayr group.
Prosimy o zawarcie w aplikacji zgody o następującej treści:

Wyrażam zgodę na przetwarzanie danych osobowych zawartych w mojej aplikacji przez Proximetry Poland Sp. z o.o. z siedzibą w Katowicach przy ulicy Uniwersyteckiej 20 na potrzeby przeprowadzenia procesu rekrutacji.

Jeśli wyraża Pan/Pani również zgodę na przetwarzanie danych osobowych po zakończeniu procesu rekrutacyjnego na potrzeby przyszłych rekrutacji, prosimy również o dostarczenie drugiej zgody o następującej treści:

Wyrażam zgodę na przetwarzanie danych osobowych zawartych w mojej aplikacji przez Proximetry Poland Sp. z o.o. z siedzibą w Katowicach przy ulicy Uniwersyteckiej 20 na potrzeby przyszłych procesów rekrutacji, w tym również na inne stanowiska.
Osoby zainteresowane prosimy o przesyłanie aplikacji klikając w przycisk aplikowania.
ul. Uniwersytecka 20, 40-007 Katowice
Tel. 32 258 06 82
[email protected]

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