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Urgent! Middle Data Engineer Job Opening In Poland, Poland – Now Hiring Globaldev Group

Middle Data Engineer



Job description

We’re hiring a Middle Data Engineer to build and operate reliable ELT/ETL pipelines on Snowflake + Airflow.

You’ll consolidate data from databases, REST APIs, and files into trusted, documented datasets with clear SLAs and ownership.

Responsibilities:

  • Ingest data from RDBMS/APIs/files into Snowflake (batch/incremental; CDC when applicable).
  • Build modular SQL/Python transformations; handle semi‑structured JSON; publish consumer‑read tables/views.
  • Orchestrate Airflow DAGs (dependencies, retries, backfills, SLAs) with monitoring and alerting.
  • Ensure idempotent re‑runs/backfills; maintain runbooks and perform RCA for incidents.
  • Tune performance and cost in Snowflake (warehouse sizing, pruning; clustering when justified).
  • Partner with BI/Analytics to refine definitions and SLAs for delivered datasets.

Requirements:

  • 2–4 years building production ETL/ELT; strong SQL (joins, window functions) + Python for data tooling.
  • Snowflake hands‑on: Streams/Tasks/Time Travel; performance and cost basics; JSON handling.
  • Airflow proficiency: reliable DAGs, retries/backfills, SLAs; monitoring & alert routing.
  • Data warehousing/modeling (Kimball/3NF), schema evolution; API integrations (auth, pagination, rate limits, idempotency).
  • Git‑based CI/CD; clear written English; privacy/GDPR basics.

Will be a plus:

  • iGaming familiarity: stakes, wins, GGR/NGR, RTP, retention/ARPDAU, funnels; RG/regulatory awareness.
  • AI and automation interest/experience: Snowflake Cortex for auto‑documentation, semantic search over logs/runbooks, or parsing partner PDFs (with guardrails).
  • Exposure to cloud storage (GCS/S3/ADLS), Terraform/Docker, and BI consumption patterns (Tableau/Looker/Power BI).

What we offer:

  • Direct cooperation with the already successful, long-term, and growing project.
  • Flexible work arrangements.
  • 20 days of vacation.
  • Truly competitive salary.
  • Help and support from our caring HR team.


Required Skill Profession

Computer Occupations



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    Unlock Your Middle Data Potential: Insight & Career Growth Guide


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