Rakuten Viber

Java Developer

Rakuten Viber

full-time

Posted on:

Origin:  • 🇬🇪 Georgia

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Job Level

SeniorLead

Tech Stack

AkkaCloudDockerGoJavaJavaScriptKubernetesMicroservicesMongoDBNode.jsNoSQLPythonRxJava

About the role

  • Planning, designing, developing and maintaining Java high-availability applications that can be high-volume and low-latency.
  • Define application objectives and functionality.
  • Ensure application designs conform with business goals.
  • Support continuous improvement, investigating alternatives and technologies, and presenting for architectural review.
  • Work in a highly motivated team, closely with Product and Architects teams on large mission-critical systems.
  • Develop and maintain high-traffic systems (over 1 billion messages a day) and dozens of scalable services; ensure fast and reliable platform operation.
  • Develop new features, optimize performance, ensure data security, and solve complex technical challenges within microservices architecture using Java, non-blocking/reactive approaches, Cloud services, and NoSQL databases.

Requirements

  • At least 7 years of experience as a Backend Developer, with at least 3 years in Java.
  • Advanced knowledge of Java, from frameworks to libraries.
  • Experience in Async and/or reactive Java frameworks (such as Vertx, Rxjava, Akka).
  • Advanced knowledge of unit testing frameworks and mocking.
  • Knowledge of cloud technologies.
  • Experience with large scale NoSQL database (such as Couchbase, MongoDB).
  • Experience with microservices development based on Docker and Kubernetes.
  • Experience with Agile methodology.
  • Striving for new knowledge and skill improvement.
  • Fluent in written and spoken English (interviews are in English).
  • Excellent oral and written communication skills.
  • Higher technical education.
  • Advantages: Knowledge of C++.
  • Advantages: Experience with other server-side languages such as Node.js, Go, Python.
  • Advantages: Experience working with remote teams.