Senior Java ETL Engineer - Data Integration Lead

GFT TECHNOLOGIES SE; Kraków; Hybrid; PLN 163,000 - 249,000; Full time

Job summary

GFT Poland in Kraków is seeking a Senior Java ETL Engineer to design, develop, and support enterprise applications across the full software lifecycle. You will work with business and technical stakeholders to deliver scalable data integration solutions.

The role demands 6+ years of software development experience, strong Java/Spring, REST, and ETL skills, plus experience in Agile/Waterfall environments and DevOps practices. The position offers hybrid work and a comprehensive benefits package.

Qualifications

• 6+ years of software development experience.
• Strong Java, Spring Framework, and REST API and ETL development skills.
• Experience with system integration, data migration and data transformation projects.
• Experience working in Agile and Waterfall environments.
• Knowledge of DevOps practices, CI/CD, and development automation.
• Experience with Jira, Confluence, Git/GitHub, Jenkins, Ansible, and SonarQube.
• Experience with automated testing frameworks such as JUnit.
• Strong communication, problem-solving, and stakeholder management skills.
• Ability to mentor engineers and drive engineering best practices.

Responsibilities

• Design and develop enterprise applications throughout the full software lifecycle.
• Develop and maintain ETL solutions for data integration and migration initiatives.
• Translate business requirements into scalable technical solutions.
• Collaborate with developers, testers, architects, analysts, and business stakeholders.
• Support Agile and Waterfall project delivery.
• Improve code quality, performance, resilience, and maintainability.
• Contribute to CI/CD, DevOps, automation, and release processes.
• Support system integrations and migration initiatives.
• Investigate incidents, perform root cause analysis, and implement permanent fixes.
• Conduct code reviews and mentor less experienced engineers.

Skills

Java

Spring Framework

REST API

ETL development

Agile

Data migration

CI/CD

DevOps

SQL

NoSQL

JUnit

Tools

Jira

Confluence

Git/GitHub

Jenkins

Ansible

SonarQube

Docker

Oracle

PostgreSQL

MongoDB

Job description

GFT Poland in Kraków is seeking a Senior Java ETL Engineer to design, develop, and support enterprise applications across the full software lifecycle. You will work with business and technical stakeholders to deliver scalable data integration solutions.

The role demands 6+ years of software development experience, strong Java/Spring, REST, and ETL skills, plus experience in Agile/Waterfall environments and DevOps practices. The position offers hybrid work and a comprehensive benefits package.