Senior Java Engineer for Petabyte-Scale Analytics - Remote

X-FLOW; Warszawa; Hybrid; PLN 250,000 - 380,000; Full time

Benefits offered by this job

Competitive salary

Flexible hours

Remote/office options

Career development

Inclusive culture

Job summary

X-FLOW in Poland is seeking a Senior Java Engineer to help us build an analytical system that processes petabytes of data. You will work across the full lifecycle from design through implementation and testing.

Candidates should have deep Java knowledge, Spring, SQL, and experience with cloud platforms like AWS or GCP. Flexible working options and a collaborative culture are offered.

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

Multithreading

Memory Model

Spring Core

Spring Data

Spring MVC

SQL

Relational Databases

Data storage design

BigQuery

Spring Reactive

Spring Batch

AMQP

Apache Camel

Neo4j

Tools

Neo4j

Job description

X-FLOW in Poland is seeking a Senior Java Engineer to help us build an analytical system that processes petabytes of data. You will work across the full lifecycle from design through implementation and testing.

Candidates should have deep Java knowledge, Spring, SQL, and experience with cloud platforms like AWS or GCP. Flexible working options and a collaborative culture are offered.