Senior Java Engineer
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.
