Senior Java ETL Engineer - Hybrid Kraków

GFT TECHNOLOGIES SE; Kraków; Hybrid; PLN 172,000 - 220,000; Full time

Benefits offered by this job

Hybrid work model

Competitive salary

Job summary

GFT 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 data integration and transformation solutions.

Join our hybrid Kraków office, work with modern tech stack, and contribute to CI/CD, DevOps, and production stability while mentoring engineers.

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 SQL and NoSQL databases (Oracle, PostgreSQL, MongoDB).
• 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.
• Openness to work hybrid from our client's office (Kraków) 8 days a month.

Responsibilities

• Design and develop enterprise applications throughout the full software lifecycle.
• Development 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

Tools

Jira

Confluence

Git/GitHub

Jenkins

Ansible

SonarQube

JUnit

Kafka

RabbitMQ

Redis

Docker

Oracle

PostgreSQL

MongoDB

Job description

GFT 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 data integration and transformation solutions.

Join our hybrid Kraków office, work with modern tech stack, and contribute to CI/CD, DevOps, and production stability while mentoring engineers.