Offer summary

(Summary generated by AI based on the full job description)

The project in Big Data and Data Science involves designing and operating scalable data platforms and batch and streaming pipelines. It uses Python, Java, Scala, Spark, SQL, and cloud platforms AWS, Azure, GCP. Responsibilities include building and maintaining ETL/ELT processes, data integration, and collaboration with analysts and data scientists.

newyou can start ASAP

Data Engineer

Company: Reply Polska Sp. z o.o.

from: 3 July 2026
to: 2 August 2026
120 - 160net (+ VAT)/ hr.B2B contract (full-time)
9000 - 19 000gross/ mth.contract of employment
Offer parameters
level:mid
working mode:hybrid
Katowice, Silesian
Katowice, SilesianWrocławska 54View on map

Requirements

Expected technologies

Java
Python
Scala

Operating system

Windows

Our requirements

  • Educational Background: Bachelor’s or master’s degree in Computer Science, Engineering, IT, or a related field.
  • 3+ years of professional experience as a Data Engineer.
  • Programming skills in Python, Java or Scala.
  • Experience with Spark and big-data frameworks.
  • Strong SQL and data modeling skills.
  • Experience with cloud platforms (AWS, Azure, GCP).
  • Fluent communication skills in English and Polish.
  • Openness to hybrid work and regular visits in Katowice office, once per month.
  • Willingness to travel to the client’s office in Lisbon.

Your responsibilities

  • As a Data Engineer, you will design, build, and operate scalable data platforms and pipelines supporting analytics and machine learning use cases. You will transform raw data into reliable, high-quality data products and contribute to architectural and platform-level decisions.
  • Design and implement batch and streaming data pipelines.
  • Integrate data from databases, APIs, and event streams.
  • Build and maintain ETL/ELT processes.
  • Ensure data quality, reliability, and performance.
  • Collaborate with data scientists and analysts.
  • Support deployment and operation of data solutions.
As part of the Reply group, Data Reply offers a wide range of services that support customers in becoming data driven. We operate in various industries and business areas and work intensively with our customers so that they can achieve meaningful results through the effective use of data. Data Reply offers many years of experience in transformation projects to achieve “data-driven companies”. We focus on the development of data platforms, machine learning solutions and streaming applications - automated, efficient, and scalable - without making any compromises in IT security.
Company

What we offer

  • Motivizer Benefits Platform to choose and manage all your benefits in one place. You receive a budget (550 PLN monthly). You can choose medical care package, meal tickets, sports cards (we have Multisport and on preferential terms, we have membership cards to one of the most popular Gyms), cinema tickets, shop vouchers, discounts and many more.
  • Language Courses – you'll have access to a multi-language learning platform enabling you to practice you language skills and learn new ones!
  • Regular and systematic further training opportunities - both internally and from external providers. We support your ongoing learning and development.
  • Cooperation within an internal community is our everyday reality. We have networking events, coding challenges, and company parties for different occasions.

Benefits

  • private medical care
  • sharing the costs of foreign language classes
  • sharing the costs of professional training & courses
  • integration events
  • extra social benefits

Recruitment stages

  • 1.
    Tech interview
  • 2.
    HR interview

Reply Polska Sp. z o.o.

Reply is made up of a network of highly specialised companies, which support leading industrial groups in defining and developing business models to optimise and integrate processes, applications, and devices, using new technology and communication paradigms, such as Artificial Intelligence; Big Data; Cloud Computing; Digital Communication; Internet of Things; Mobile and Social Networking.

This is how we work

Data Engineer
9k–19k zł / mth. (CoE), 120–160 zł / hr. (B2B)
I apply to:
Reply Polska Sp. z o.o.
Katowice, Silesian
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