Senior Java Engineer — Data-Driven Platform (Remote/Hybrid)

X-FLOW; Warszawa; Hybrid; PLN 180,000 - 300,000; Full time

Benefits offered by this job

Competitive salary

Flexible hours

Career development

Inclusive culture

Job summary

X-FLOW in Warsaw is seeking a Senior Java Engineer to design and build an analytics platform capable of processing petabytes of data. You will work across the full lifecycle from design to implementation, debugging and documentation, with a focus on performance and scalability.

You'll leverage Java 21+, Spring, Gradle, k8s, RabbitMQ, AWS and GCP to deliver robust data-driven solutions in a SOA environment. Remote/office options available and a collaborative team culture.

Qualifications

• 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.

Responsibilities

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

Skills

Java Core

Memory Model

MultiThreading

Spring Core

Spring Data

Spring MVC

SQL

Relational DBs

Software principles

Data storage design

Tools

BigQuery

Spring Reactive

Spring Batch

AMQP

Apache Camel

Neo4j

RabbitMQ

Google Cloud Platform

Job description

X-FLOW in Warsaw is seeking a Senior Java Engineer to design and build an analytics platform capable of processing petabytes of data. You will work across the full lifecycle from design to implementation, debugging and documentation, with a focus on performance and scalability.

You'll leverage Java 21+, Spring, Gradle, k8s, RabbitMQ, AWS and GCP to deliver robust data-driven solutions in a SOA environment. Remote/office options available and a collaborative team culture.