Senior Data Engineer (Banking, Snowflake, BigData)
- Warsaw, Poland
- Hybrid
- Senior Level
- Posted
Skills
Required
- Snowflake
- SQL
- data warehousing
- ETL/ELT
- banking data
- Balance Sheet Management
- Stress Testing
- Treasury and Liquidity
- Regulatory Reporting
- process modelling
Preferred
- EBA
- ECB
- Basel
- ICAAP
- ILAAP
- IRRBB
- Data Vault
- dimensional modelling
- cloud data platforms
Responsibilities
- Designing, developing and maintaining enterprise-grade ETL/ELT pipelines in Snowflake
- Analysing banking business requirements around Balance Sheet Stress Testing , scenario analysis, capital adequacy, liquidity and risk management
- Working closely with business analysts and finance, treasury, risk and regulatory stakeholders to implement business logic accurately
- Building and optimising data warehousing solutions for large-scale aggregation, transformation and reporting of financial data
- Developing data models that support stress testing simulations, statistical analysis and management reporting
- Ensuring data quality, reconciliation, lineage, governance and regulatory compliance
- Preparing and provisioning data for downstream analytical, reporting and regulatory layers
- Driving performance optimisation, automation and continuous improvement of data platforms
Requirements
- Strong hands-on experience with Snowflake, SQL and large-scale data warehousing
- Extensive experience building and maintaining ETL/ELT processes in complex enterprise environments
- Deep understanding of banking data , e.g. Balance Sheet Management, Stress Testing, Treasury and Liquidity, Finance and Regulatory Reporting, Risk Management, Capital Adequacy
- Proven ability to analyse, validate, reconcile and aggregate data across multiple source systems
- Strong business analysis skills: requirements gathering, process modelling, stakeholder management and translating business needs into technical solutions
- Experience with statistical analysis and data preparation for analytical models
- Understanding of data governance, data quality frameworks and regulatory requirements for banking data
- Excellent communication skills with both technical and business stakeholders
- Fluent English
Preferred
- Experience with EBA, ECB, Basel, ICAAP, ILAAP, IRRBB or other regulatory stress testing frameworks
- Knowledge of Data Vault, dimensional modelling and cloud data platforms
- Experience in Agile/SAFe environments
- Power BI, Tableau or similar reporting tools
Pay
Rate: up to 165 PLN/h net (B2B)
Key Details
- For this role, Optiveum is the recruitment and contracting party, which means you will sign the cooperation agreement directly with us.
- Work Model: hybrid, min. 60% office presence, full-time (40 h/week)
- Location: Tricity (Gdańsk/Gdynia), Warsaw or Łódź