Expert Java/Scala Engineer with Spark

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Kraków, PL, 30-302 Until 10/2/2026 First posted August 3, 2026 Last posted August 3, 2026
Job description

Type of contract: Employment contract

Salary range: 17400-26700 PLN gross

 

What will you do?

 

You will join a global agile team responsible for building and enhancing data processing and storage solutions that support risk management and surveillance capabilities. Working closely with Product Owners, Analysts, Architects, Data Scientists, and Engineers, you will contribute to the development of scalable big data solutions and help deliver key strategic initiatives within a highly regulated financial environment.

 

Your tasks

 

  • 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 data processing pipelines
  • Prepare and deliver data views required by application development teams
  • Collaborate with Data Scientists to productionise analytics solutions
  • Develop software in line with continuous integration and test-driven development principles
  • Validate technical designs and ensure adherence to architectural standards
  • Perform unit testing and maintain high code quality standards

 

Your skills

 

  • Practical experience with Apache Spark
  • Strong programming experience using Java and/or Scala
  • Experience building and maintaining ETL solutions
  • Experience working with big data processing technologies
  • 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 with Python
  • Experience deploying services on Google Cloud Platform
  • Knowledge of Maven
  • Knowledge of Git
  • Experience working in Agile environments

 

We offer

 

  • Hybrid work in our client's office (Kraków) 8 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
About this role

Summary

Develop scalable big data solutions, build data pipelines, collaborate with cross-functional teams.

Job title

Expert Java/Scala Engineer with Spark

Experience level

practical experience

Industry

finance

Location requirements

Kraków, PL, hybrid work allowed

Salary

$17k–$27k

Management role

No

Skills & keywords

Required skills

apache sparkjavascalaetlbig data processingenglish

Preferred skills

hadoopspringairflowsqlelasticsearchpythongoogle cloudmavengitagile

Specializations

big datasparkjavascala
Locations

Structured locations inferred from the posting.

Kraków, Poland

Hybrid City