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Sigma Software Group

Senior/Principal Data Engineer

Warsaw, Masovian Voivodeship, PolandPosted 1 months ago
Full-timehybridMid-Senior Level

Job Description

  • Design and implement a scalable data warehouse or data lakehouse to support analytics, reporting, and business KPIs
  • Develop and maintain reliable batch and/or streaming data pipelines from internal databases and external systems
  • Collaborate with stakeholders to translate business requirements into efficient data models and schemas
  • Establish and maintain data modeling standards and best practices
  • Implement monitoring, data quality controls, and observability for all data workflows
  • Provide well‑structured datasets to enable self‑service analytics for BI and data teams
  • Document the data platform, including lineage, definitions, and contracts, to create a shared source of truth for metrics
  • 6+ years of experience in data engineering
  • Strong programming skills in Python
  • Proven track record of designing and delivering early‑stage data platforms from concept (v1) to production
  • Strong expertise with modern data tooling (e.g., Snowflake/BigQuery/Redshift, dbt, Airflow/Dagster/Prefect, Fivetran/Airbyte, etc.)
  • Solid understanding of data modeling, ETL/ELT, and pipeline optimization
  • Strong knowledge of data quality, testing, and monitoring best practices
  • Upper‑Intermediate English or higher
  • Ability to work 12:00-20:00 CET 

WILL BE A PLUS

  • Experience with AI/ML data pipelines
  • Familiarity with finance/accounting datasets
  • Knowledge of compliance frameworks such as SOX or GDPR
  • Experience mentoring junior engineers

PERSONAL PROFILE

  • Proactive problem‑solver with a hands‑on approach
  • Adaptable to fast‑moving environments
  • Strong communication skills for cross‑team collaboration
  • Ability to take ownership and drive initiatives to completion

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Senior/Principal Data Engineer at Sigma Software Group | Renata