Middle Data Engineer

MMDSmart Ltd

About The Position

MMDSmart is seeking a Data Engineer to build and maintain scalable data pipelines and data warehouse solutions. The role involves working with large datasets, designing efficient data-processing workflows, and ensuring the reliability and performance of the data platform. The position focuses on batch and streaming data processing, data transformations and orchestration, and performance and cost optimization. It does not involve DevOps, ML, or BI development. The role uses Google BigQuery, Python, Apache Airflow, and Apache Spark (PySpark), and involves collaboration with analysts and engineering teams to support data needs. MMDSmart offers a choice of remote, office-based, or hybrid work formats.

Requirements

  • At least 4 years of experience as a Data Engineer.
  • Strong experience with SQL and Google BigQuery.
  • Experience building data pipelines and ETL processes.
  • Solid knowledge of Python for data processing.
  • Hands-on experience with Apache Airflow.
  • Experience working with large datasets.
  • Understanding of data modeling and data warehouse concepts.
  • Experience with query optimization and cost-efficient data processing.
  • Experience with data pipeline monitoring and observability.
  • Fluency in Russian and English.

Nice To Haves

  • Experience with Kafka or streaming data pipelines.

Responsibilities

  • Design, build, and maintain data pipelines for batch and streaming data processing.
  • Develop and optimize ETL workflows using Python and SQL.
  • Build and maintain Airflow DAGs to orchestrate data workflows.
  • Implement data transformations and data quality checks.
  • Optimize BigQuery queries and data models for performance and cost efficiency.
  • Troubleshoot existing pipelines and improve their reliability.
  • Collaborate with analysts and engineering teams to support data needs.

Benefits

  • Access to mental health programs.
  • Comprehensive medical insurance; medical insurance is available to employees located in Bulgaria.
  • A sports card; this perk is available to employees located in Bulgaria.
  • Mentorship and a friendly atmosphere.
  • Bonuses and corporate gifts.
  • Free educational events and courses.
  • English classes with native speakers.
  • Professional development in a supportive environment.
  • Choice of remote, office-based, or hybrid working format.
  • Team-building activities.
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