Java Developer

PLWarsawGrzybowska 6000-844


The project is to develop and maintain an integrated platform for stream processing and analytics with state tracking using Apache Flink.

The customer is a company founded in 2014 that provides an open-source Apache Flink and Application Manager platform to enterprise users. The platform provides high throughput and low latency for event-driven applications. It is headquartered in Berlin, Germany.

Technology stack on the project: Java, Apache Flink, Spring Boot, K8s, AWS, API.


  • Solving challenging data engineering and data streaming problems.
  • Working on open source and closed source products.
  • Taking end-to-end responsibility (problem breakdown, design, implementation, testing, documentation) for new features, enhancements, and fixes.
  • Coordinating development teams (depending on level).
  • Taking ownership of the project/product components, including shaping their direction.
  • Being a mentor to junior developers, helping them grow.


  • Experience as a Java Developer for 4+ years.
  • Strong knowledge of and experience with Java and JVM mechanics.
  • Experience with Apache Flink.
  • Experience with Spring Boot.
  • Experience with K8s.
  • Experience with AWS and other providers (e.g. Alibaba cloud).
  • Good knowledge of distributed systems and Database systems (PostgresQL).
  • Experience with Big Data.
  • Experience in API design.
  • Knowledge of data structures and algorithms.
  • Ability to debug and troubleshoot complex problems in distributed systems.
  • Experience writing clean, testable and maintainable code.
  • Level of English – from Intermediate.

Reasons to join us

  • Experience in teamwork with leaders in FinTech, Healthcare, Retail, Telecom, and others. Andersen cooperates with such businesses as Samsung, Siemens, Johnson & Johnson, BNP Paribas, Ryanair, Mercedes, TUI, Verivox, Allianz, T-Systems, etc..
  • The opportunity to change the project and/or develop expertise in an interesting business domain.
  • Job conditions – you can work both fully remotely and from the office or can choose a hybrid variant.
  • Guarantee of professional, financial, and career growth! The company has introduced systems of mentoring and adaptation for each new employee.
  • The opportunity to earn additional up to 1,700 EUR per month by participating in the company's activities.
  • Access to the corporate training portal, where the entire knowledge base of the company is collected and which is constantly updated.
  • Bright corporate life (parties / pizza days / PlayStation / fruits / coffee / snacks / movies).
  • Certification compensation (AWS, PMP, etc).
  • Referral program.
  • English courses.
  • Private health insurance and compensation for sports activities.

Join us!

We will be glad to see you!

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