Lead Data Consultant

GFT TECHNOLOGIES SE; Kraków; Hybrid; PLN 214,000 - 287,000; Full time

Job summary

GFT Technologies SE in Kraków is seeking a Lead Data Consultant to drive data migration and engineering initiatives within a hybrid work setup. The role demands hands-on design of scalable data pipelines in GCP and a track record guiding engineering teams.

Responsibilities include leading technical delivery, mentoring engineers, and collaborating with analysts to translate requirements into robust solutions. Strong English and Polish communication are essential.

Qualifications

• Over 10 years of experience in software design, data engineering and development in Agile environments.
• Deep knowledge of data pipelines, GCP, PySpark or Scala, and ETL frameworks.
• Strong experience building scalable data solutions and leading technical delivery.

Responsibilities

• Lead technical delivery of data migration and engineering initiatives.
• Design scalable data pipelines using GCP, PySpark and Scala.
• Mentor engineers and oversee the engineering pod’s delivery.
• Collaborate with Business Analysts to interpret requirements.
• Support production environments and troubleshoot issues.

Skills

Data engineering

Python

SQL

GCP

PySpark

Scala

REST APIs

Unix/Linux

Git

Jenkins

Tools

GitHub

Airflow

Jira

Hadoop

Spark

Elasticsearch

Job description

Lead Data Consultant

Date: Sep 7, 2026

Location: Kraków, PL, 30-302

Working place: Hybrid

Working Location:

Type of contract: B2Bcontract

Salary range: 155 - 208 PLN/H

What will you do?

You will lead the technical delivery of data migration and engineering initiatives, working closely with Engineers, Data Analysts and Business Analysts. You will design scalable data solutions in GCP, guide the engineering pod, promote development standards and support the team throughout the Agile development process.

• Provide technical leadership for data migration projects, including solution design, approach and estimation


• Design and develop scalable data pipelines using GCP, PySpark and Scala


• Provide guidance on environment setup, system architecture and cloud design patterns


• Implement solutions focused on performance, scalability, availability, accuracy and monitoring


• Promote coding standards, conduct code reviews and support knowledge sharing


• Mentor engineers and oversee the technical delivery of the engineering pod


• Work with Business Analysts to ensure requirements are correctly interpreted and implemented


• Support production environments, troubleshoot issues and communicate findings to development teams


• Participate in planning sessions, status meetings, sprint reviews and retrospectives


• Identify opportunities to use AI enablers to improve traditional engineering workflows

Requirements

• At least 10 years of experience in software design, data engineering and development in Agile and DevOps environments


• Strong development and solution design experience with PySpark or Scala


• Hands-on experience with Google Cloud Platform and building data pipelines in GCP


• Experience with Apache Spark, Spark SQL, Hadoop, YARN, Hive, MapReduce and ETL frameworks


• Experience with Python, SQL, PL/SQL and data integration


• Experience with Apache Airflow or similar scheduling tools


• Experience with REST APIs and RESTful services


• Strong knowledge of Unix and Linux environments


• Experience with Git, GitHub, Jenkins, Ansible and Jira


• Experience with automated testing, deployment and monitoring


• Understanding of cloud architecture and cloud design patterns


• Ability to lead an engineering pod and guide the work of other engineers


• Ability to work autonomously and act as a technical subject-matter expert


• Strong communication and presentation skills for technical, senior and non-technical audiences


• Strong written and spoken English


• Openness to work hybrid from our client's office (Kraków) 8 days a month

Nice to have

• Experience with Elasticsearch


• Experience with data ingestion solutions


• Experience working with Scrum and Kanban


• Interest in AI-based tools that accelerate engineering workflows

We are GFT Poland. WE KNOW how to tackle complex issues with innovative approach to deliver the highest value. Our reputation has been built around one simple rule: we do not overpromise, WE DELIVER. We deliver to our employees, clients and partners. WE GROW as you grow, so investing in you is our business strategy. Caring for each other is our priority. WE CARE who you are, what you need, how you feel. WE CARE to smile, have fun and develop as human beings.

Why Choose GFT?

• A culture of top performance


• Deep tech IT engineering & consulting


• 1200 skilled & top-class experts


• 77% of the team are regular/senior


• Products that contribute to a sustainable world


• Competitive salary and benefits


• Ambitious projects, trainings and tools you need to flourish


• Google Cloud Partner of the Year - for going above and beyond for customers