Senior Java Engineer - Scalable Data Analytics (Remote)

X-FLOW; Warszawa; Hybrid; PLN 180,000 - 280,000; Full time

Benefits offered by this job

Competitive salary

Flexible hours

Remote/office options

Career growth

Job summary

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

We are seeking a Senior Java Engineer to help build an analytical system processing petabytes of data. You will design scalable solutions with Java, Spring, and cloud technologies, balancing performance and complexity. Join a talented team with flexible hours and remote/office options.

Qualifications

• Strong knowledge of Java Core and memory model.

Responsibilities

• Contribute across the full lifecycle from design through implementation, debugging, and documentation.

Skills

Java Core & Memory Model

Spring Core/Data/MVC

SQL & Relational DBs

Multithreading

Software design principles

Tools

Gradle

Java 21+

Spring

k8s

RabbitMQ

AWS

GCP

Job description

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

We are seeking a Senior Java Engineer to help build an analytical system processing petabytes of data. You will design scalable solutions with Java, Spring, and cloud technologies, balancing performance and complexity. Join a talented team with flexible hours and remote/office options.