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XFlow

Open 104d

Senior Java Engineer

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X-FLOW is a mobile game development company established in 2018. We gained recognition after the release of Happy Color, the most popular digital coloring book and one of the most successful ad-driven mobile apps in the world.


We're looking for a Senior Java Engineer to join our team and help us build an analytical system that processes petabytes of data.

We expect candidates to have a deep understanding of the tools they use. If you can assess the complex problem, design and deliver a solution with attention to balance between performance and complexity — we might be looking for you.


Technology stack:

Gradle, Java 21+, Spring, k8s, RabbitMQ, Service-oriented infrastructure, AWS and GCP cloud platforms.


Requirements:

  • Strong understanding of Java Core, Memory Model, MultiThreading.
  • Strong understanding of Spring Core, Data, MVC.
  • Proficiency in SQL, solid understanding of Relational Databases.
  • Solid understanding of software development principles.
  • Solid understanding of data storage design principles.


Nice to have:

  • Experience writing and optimizing BigQuery queries.
  • Experience with Spring Reactive stack, Spring Batch and AMPQ.
  • Experience with Apache Camel.
  • Experience with Graph DB like Neo4j.


Responsibilities:

  • You'll be involved across the full lifecycle of tasks — from solution design through implementation, debugging, and documentation.

What We Offer:

  • Competitive salary and benefits package.
  • Opportunity to work with a talented and passionate team in a creative and dynamic environment.
  • Flexible working hours and remote/office work options.
  • Career growth and professional development opportunities.
  • A fun and inclusive company culture that celebrates diversity and creativity.

Join us and let’s create great content together!

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