Senior Java ETL Consultant (Kraków, PL, 30-302)

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

Benefits offered by this job

Hybrid work arrangement

Job summary

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

Your tasks include designing and developing enterprise applications, ETL solutions for data integration, translating requirements into

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.
• 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

SQL/NoSQL

DevOps

CI/CD

Jira/Confluence

Git/GitHub

Jenkins

Ansible

SonarQube

JUnit

Tools

Jira

Confluence

Git/GitHub

Jenkins

Ansible

SonarQube

Docker

JUnit

Job description

Type of contract: B2B contract

Salary range: 125 - 160 PLN/H

What will you do?

As a Senior Java ETL Consultant, you will be responsible for designing, developing, and supporting enterprise applications across the full software development lifecycle. You will work with business and technical stakeholders to deliver scalable solutions, improve engineering standards, support digital transformation initiatives, and ensure stable production services.

Your tasks

• 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

Requirements

• 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

Nice to have

• Experience with Spring Cloud, MuleSoft, Seeburger BIS, or EDI solutions
• Experience with Kafka, RabbitMQ, Redis, and Docker
• Experience with production support and service reliability improvements