Senior Java Engineer
Requirements at a glance
Senior Java Engineer at Xflow is a full-time role based in Warsaw, Mazowieckie. It does not mention visa sponsorship. Key skills include Java, SQL, and Spring. Applications are submitted through BambooHR.
- Visa sponsorship
- Not mentioned in the posting
- Application platform
- BambooHR
Skills in this posting
- Java
- SQL
- Spring
- AWS
- Google Cloud
- Kubernetes
Highlighted skills appear in the posting's requirements.
Extracted automatically from the job description. Confirm details in the full posting below.
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 take pride in our diverse and talented team and partners, spread across the UK, Cyprus, the Netherlands, and other regions worldwide.
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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