Tech Lead Java Engineer with Spark

GFT TECHNOLOGIES SE

Kraków

Hybrid

PLN 194,000 - 298,000

Full time

2 days ago

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Benefits offered by this job

Hybrid work in Kraków

Medical and sport benefits

Lunch subsidy

Life insurance

Online training

E-learning access

Social events

Job summary

GFT Poland is seeking a Tech Lead Java Engineer with Spark to join a global agile team in Kraków. You will design, develop and manage large-scale data processing and storage solutions that enable data-driven decision making in risk management and regulatory compliance.

You will work with Java or Scala, Spark, and Big Data technologies, building ETL pipelines and collaborating with data scientists.

Qualifications

Strong programming skills in Java or Scala.
Experience with Apache Spark.
Experience building and maintaining ETL pipelines.
Knowledge of Big Data processing technologies.

Responsibilities

Collaborate with Product Owners and IT Analysts to understand requirements.
Build and manage data processing components and storage technologies.
Onboard new data sources and develop scalable data pipelines.
Support application teams by delivering data views and datasets.
Collaborate with Data Scientists to productionise analytical solutions.
Follow CI and TDD practices.

Skills

Java

Scala

Apache Spark

Big Data

ETL pipelines

English

Tools

Hadoop

Spring Framework

Airflow

SQL databases

Elasticsearch

Python

Google Cloud Platform

Maven

Git

Job description

Tech Lead Java Engineer with Spark

Date: Sep 18, 2026

Location: Kraków, PL, 30-302

Working place: Hybrid

Type of contract: Employment contract

Salary range: 17400-26700 PLN gross

What will you do?

Join a global agile development team focused on building next-generation solutions supporting risk management, financial crime prevention and regulatory compliance. You will design, develop and manage large-scale data processing and storage solutions that enable data-driven decision making and strategic business initiatives. Working closely with engineers, architects, analysts and data scientists, you will deliver scalable big data solutions while maintaining high engineering standards and code quality.

Work with Product Owners and IT Analysts to understand business and stakeholder requirements
Build and manage data processing components and storage technologies
Onboard new data sources and develop scalable data processing pipelines
Support application teams by delivering data views and datasets
Collaborate with Data Scientists to productionise analytical solutions
Follow continuous integration and test-driven development practices
Ensure high code quality and compliance with development standards
Validate technical solutions together with Architects
Perform unit testing and support quality assurance activities
Collaborate effectively within a global agile team
Practical experience with Apache Spark
Strong programming skills in Java or Scala
Experience with Big Data processing technologies
Experience building and maintaining ETL pipelines
Knowledge of software development best practices
Strong communication skills in English

Nice to have

Experience with Apache Hadoop (Yarn, HDFS)
Experience with Spring Framework
Knowledge of Apache Airflow
Experience with SQL databases
Experience with Elasticsearch
Experience in Python
Experience with Google Cloud Platform
Practical knowledge of Maven
Practical knowledge of Git
Experience working in Agile environments

We offer

Hybrid work in our client's office (Kraków) 6 days a month
Working in a highly experienced and dedicated team
Benefit package tailored to your needs (medical, sport, lunch subsidy, life insurance, etc.)
Online training and certifications
Access to e-learning platform
Social events

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?