Senior Data Engineer
PLAYERSBEST is expanding its Data & BI team and is looking for an experienced Senior Data Engineer to own the data model and the medallion framework (Bronze, Silver, Gold) that turn raw data into trusted, business-ready numbers. The platform runs on Google Cloud, with dbt on BigQuery, Airflow and ClickHouse.
The role involves designing and owning the medallion framework, building layers as tested, documented transformation models with agreed business definitions, and implementing data quality checks and alerts.
- Design and own the medallion framework: Bronze for raw landing, Silver for cleaned and conformed data, Gold for business-ready marts.
- Design the core dimensional model of facts and dimensions (traffic, clicks, registrations, deposits, commissions, costs), with clear grain and conformed keys.
- Build these layers as tested, documented transformation models with agreed business definitions.
- Write and maintain Airflow DAGs, and use ClickHouse for high-volume event data.
- Add data quality checks and alerts, help integrate new sources, and take part in architecture discussions and code reviews.
- At least 4 years' working experience as a Data Engineer or Data Warehouse developer (required).
- Working experience in the iGaming or affiliate marketing industry (required).
- Excellent, confident SQL: complex joins, window functions and tuning queries on large datasets (required).
- Very good, production-level Python for pipelines, API integrations and automation (required).
- Hands-on experience with dbt, Airflow and BigQuery (or Snowflake, Redshift), with ClickHouse as a plus (required).
- Strong data modelling skills: star schemas, fact grain, conformed dimensions, slowly changing dimensions and surrogate keys (required).
- Proven experience designing and building a layered (medallion) architecture in production (required).
- Experience with Git and CI/CD (required).
- Uses AI coding assistants (such as Claude Code or Copilot) to speed up development, and reviews what they produce (required).
- Very good communication skills in English (mandatory) (required).
- Experience with Spark/PySpark, Databricks, Delta Lake, AWS (S3, AppFlow, Step Functions), ClickHouse or Terraform (nice-to-have).
- Collaborative Environment: Work closely with engineering, product, and marketing teams in a dynamic, data-driven culture that values your expertise.
- Competitive Compensation: A competitive salary, performance-based incentives, and other benefits.
- Flexible & Remote-Friendly: Work remotely, on-site, or hybrid, with the flexibility to suit your lifestyle.
Growth Leads is an iGaming affiliate marketing company based in Ta' Xbiex, Malta. It builds and operates content and comparison websites that drive player acquisition for online casino and sportsbook operators. The company focuses on performance-driven affiliate marketing across the gaming ecosystem. Growth Leads combines SEO, content and partnerships to deliver high-quality traffic to its partners.