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Java/Spark Big Data Developer
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Offer summary

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

The project focuses on Big Data at petabyte scale using Java, Spark, Apache Iceberg and distributed systems. Key responsibilities include developing and maintaining efficient processing pipelines handling tens of billions of events daily. Tasks involve debugging Java/JVM, AWS, Airflow, cross-platform collaboration, and backend solution design. Expertise in Linux and optimizing distributed systems is required.

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Java/Spark Big Data Developer

Company: CORRECT CONTEXT SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ

from: 12 June 2026
to: 12 July 2026
18 000 - 25 000 złnet (+ VAT)/ mth.B2B contract (full-time)
Salary details
basic salary
Offer parameters
level:senior
working mode:remote
location:Wrocław, Lower Silesia
Wrocław, Lower Silesia

Requirements

Expected technologies

Java
Spark
Apache Iceberg
AWS
Airflow

Operating system

Linux

Our requirements

  • Linux as a daily driver of operations
  • Good understanding of Spark internals and mechanics
  • Experience with Apache Iceberg (or similar)
  • Solid understanding of algorithms, data structures, and complexity analysis
  • Proven ability to debug JVM/Java (hopefully in Spark ecosystem)
  • Hands-on, proactive approach

Your responsibilities

  • Taking care of our high-volume (tens of billions of events daily), multi-tenant, and distributed data processing pipelines
  • Develop and maintain Java-based and Spark-based Big Data processing pipelines, ensuring scalability and performance
  • Work with distributed systems, contributing to the design and implementation of backend solutions
  • Collaborate with cross-functional teams to integrate different platforms and ensure smooth data flow
  • Troubleshoot and debug issues to improve overall system stability
  • Participate in code reviews and offer guidance on best practices
  • Debug java/aws/airflow pipelines
  • Help team to produce better solutions (teaching/code reviews/showing directions)
  • Design high efficient processing pipelines

About the project

Correct Context is looking for a Java/Spark Big Data Developer for Comscore in Poland and around.
Develop and maintain Java-based and Spark-based Big Data processing pipelines, ensuring scalability and performance.
Taking care of high-volume (tens of billions of events daily), multi-tenant, and distributed data processing pipelines.

This is how we organize our work

This is how we work

you have influence on the technological solutions appliedyou have influence on the productyou focus on product development

Team members

backend developerbig data developer

This is how we work on a project

  • code quality measures
  • code review
  • design patterns
  • documentation
  • issue tracking tools
  • technical debt management
Company

Development opportunities we offer

  • intracompany training
  • substantive support from technological leaders
  • technical knowledge exchange within the company

What we offer

  • Real big data projects, petabytes scale
  • An international team
  • A small, independent team working environment
  • Flexible work time
  • Fully remote or in-office work in Wroclaw, Poland

Benefits

  • private medical care
  • remote work opportunities
  • flexible working time
  • integration events
  • corporate library
  • no dress code
  • coffee / tea
  • leisure zone
  • extra social benefits

Recruitment stages

  • 1.
    Technical survey ~ 10min
  • 2.
    Technical screening - 30 min
  • 3.
    Technical interview - 1h-2h

CORRECT CONTEXT SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ

Comscore is a global leader in media analytics, revolutionizing insights into consumer behavior, media consumption, and digital engagement.
Comscore leads in measuring and analyzing audiences across diverse digital platforms.
Thrive on using cutting-edge technology, play a vital role as a trusted partner delivering accurate data to global businesses, and collaborate with industry leaders like Facebook, Disney, and Amazon.
Contribute to empowering businesses in the digital era across media, advertising, e-commerce, and technology sectors.
Java/Spark Big Data Developer
18k–25k zł / mth. (B2B)
I apply to:
CORRECT CONTEXT SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ
Wrocław, Lower Silesia

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