Senior Data Engineer

Antal is a leading recruitment and HR advisory company, present in Poland since 1996 and later expanded to the Czech Republic and Hungary. Across the CEE region, we employ around 150 professionals who deliver a full range of services – from specialist and executive recruitment, employee outsourcing and HR consulting, to employer branding and market research.

Our division-based structure combines deep industry expertise with functional specialisation, enabling us to provide tailored solutions for companies in every sector. We act as a trusted partner for both employers and candidates, sharing our knowledge and guiding them through every stage of the talent journey. We connect exceptional people with the right opportunities and help organisations build successful teams.

• 5+ years of experience in software engineering with strong focus on PySpark development.
• Hands-on experience with Apache Spark, Hadoop, Hive, Spark SQL.
• Experience with Airflow or similar scheduling tools.
• Solid understanding of Unix/Linux environments.
• Experience with ETL frameworks, SQL, RESTful services and distributed data processing.
• Familiarity with Git/GitHub, CI/CD tools (Jenkins, Ansible) and JIRA.
• Understanding of data modelling (relational & non-relational).
• Strong debugging skills and ability to clearly communicate findings.

Nice to have:

• Experience with Elasticsearch.
• Java API development.
• Experience with ingestion frameworks.
• Understanding of cloud design patterns.
• Exposure to DevOps practices and Agile methodologies (Scrum, Kanban).

• Design and develop scalable data processing solutions using PySpark or Scala.
• Build and maintain data pipelines leveraging Hadoop ecosystem components (Spark, Hive, YARN, MapReduce).
• Promote engineering best practices through code reviews, mentoring and knowledge sharing.
• Provide production support, troubleshoot issues and ensure system stability.
• Implement tools and processes ensuring performance, availability, accuracy and monitoring.
• Collaborate with Business Analysts to ensure correct interpretation and implementation of requirements.
• Contribute to architecture and system design discussions.
• Participate in Agile ceremonies: sprint planning, reviews, retrospectives and daily stand-ups.