Senior Data Engineer

• Design and own the medallion framework: Bronze for raw landing, Silver for cleaned and conformed data, and Gold for business-ready marts
• Design the core dimensional model of facts and dimensions, including traffic, clicks, registrations, deposits, commissions, and costs, with clear grain and conformed keys
• Build tested and documented transformation models with agreed business definitions
• Write and maintain Airflow DAGs
• Use ClickHouse for high-volume event data
• Add data quality checks and alerts
• Help integrate new data sources
• Participate in architecture discussions and code reviews
• Own the data model that turns raw data into trusted, business-ready numbers

• At least 4 years' working experience as a Data Engineer or Data Warehouse developer
• Working experience in the iGaming or affiliate marketing industry
• Excellent, confident SQL, including complex joins, window functions, and query tuning on large datasets
• Very good, production-level Python for pipelines, API integrations, and automation
• Hands-on experience with dbt, Airflow, and BigQuery, or Snowflake or Redshift
• ClickHouse experience is a plus
• Strong data modelling skills: star schemas, fact grain, conformed dimensions, slowly changing dimensions, and surrogate keys
• Proven experience designing and building a layered medallion architecture in production
• Experience with Git and CI/CD
• Experience using AI coding assistants such as Claude Code or Copilot, with review of their output
• Very good communication skills in English; English is mandatory
• Experience with Spark/PySpark, Databricks, Delta Lake, AWS (S3, AppFlow, Step Functions), ClickHouse, or Terraform is nice to have

• Performance-based incentives
• Other benefits
• Flexible remote, on-site, or hybrid work arrangements
• Collaborative, data-driven work environment
• Work closely with engineering, product, and marketing teams