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September 28, 2026
Junior Software Engineer (Data Engineering)
Junior • On-site
Warsaw, Poland
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Quick Facts
Role: Junior Software Engineer (Data Engineering)
Focus: End-to-end data solutions and large-scale data lake pipelines
Work style: Mix of remote and onsite depending on project circumstances
Description
Develop and maintain end-to-end data solutions, including programming and implementation of data processing components. Support the development, maintenance, and optimization of large-scale data lake pipelines for a global social media platform. Analyze complex technical challenges, create and maintain technical documentation, and collaborate with international cross-functional teams.
Responsibilities
Develop data processing components and implement end-to-end data solutions
Maintain and optimize large-scale data lake pipelines
Solve complex technical problems in a continuous improvement environment
Create and keep technical documentation up to date
Work with international, cross-functional teams
Requirements
3–6 months of experience developing software using Python
Very good knowledge of SQL and practical experience with OLAP databases
Knowledge of Big Data technologies such as Hive, Spark, HBase, HDFS, Cassandra, and Kafka
Ability to work analytically in a problem-solving environment
Experience working in international, multidisciplinary teams
Fluent English and Polish (written and spoken)
Benefits
Permanent employment contract
Individual support of a People Lead and a professional development path; coaching sessions available
Wide training package (soft, technical, language training, e-learning access, Gallup test, GenAI training, co-financing for courses, certifications)
Employee Assistance Program (legal, financial, psychological consultations)
Employee Share Purchase Plan eligibility with quarterly dividends for company shareholders
Paid employee referral program
Private medical care and life insurance
Access to the MyBenefit platform (including a Multisport card)
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