Senior Java ETL Engineer | Hybrid Kraków & Data Integration

GFT Technologies Poland; Kraków; Hybrid; PLN 180,000 - 240,000; Full time

Job summary

GFT Technologies Poland is seeking a Senior Java ETL Consultant to design, develop, and support enterprise applications across the full software development lifecycle. You will work with business and technical stakeholders to deliver scalable solutions, improve engineering standards, and support digital transformation initiatives, ensuring stable production services.

You will design and develop enterprise applications, build ETL solutions for data migration, and translate business requirements

Qualifications

• 6+ years of software development experience.
• Strong Java, Spring, REST API and ETL skills.
• Experience with system integration, data migration and transformation.
• Proficient in Agile/Waterfall environments and DevOps.
• Knowledge of SQL and NoSQL databases (Oracle, PostgreSQL, MongoDB).
• Familiar with Jira, Confluence, Git/GitHub, Jenkins, Ansible, SonarQube.
• Experience with JUnit and automated testing.
• Excellent communication and stakeholder management abilities.
• Ability to mentor engineers and promote engineering best practices.
• Willingness to work hybrid from Kraków, 8 days per month.

Responsibilities

• Design and develop enterprise applications across the full SDLC.
• Develop and maintain ETL solutions for data integration and migration.
• Translate business requirements into scalable technical solutions.
• Collaborate with developers, testers, architects, and 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 data migration initiatives.
• Investigate incidents, perform root cause analysis, and fix issues.
• Conduct code reviews and mentor less experienced engineers.

Skills

Java

Spring Framework

REST API

ETL development

SQL databases

NoSQL databases

DevOps practices

CI/CD

Jira and Confluence

Git/GitHub

Jenkins

Ansible

SonarQube

JUnit

Stakeholder management

Mentoring engineers

Tools

Kafka

RabbitMQ

Redis

Docker

Job description

GFT Technologies Poland is seeking a Senior Java ETL Consultant to design, develop, and support enterprise applications across the full software development lifecycle. You will work with business and technical stakeholders to deliver scalable solutions, improve engineering standards, and support digital transformation initiatives, ensuring stable production services.

You will design and develop enterprise applications, build ETL solutions for data migration, and translate business requirements