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At neXa, we’re not just building digital solutions — we’re helping businesses grow smarter. We work with forward-thinking clients across industries to design, build, and implement technology that makes a real difference. From intelligent automation to custom applications, our projects are as diverse as our team.

B2B contract | Hybrid work | Warsaw, Gdańsk, Gdynia or Łódź | Minimum 3 days per week onsite

For one of our clients we’re looking for an experienced Senior Snowflake Data Engineer to develop and optimize enterprise-scale data solutions in a banking environment. You will work with complex financial data, supporting risk management, balance sheet stress testing, and regulatory reporting through robust data engineering solutions.

The project focuses on delivering scalable data solutions for critical banking processes, including risk management, stress testing, and regulatory reporting. You will collaborate with Finance, Treasury, Risk, and technology teams, translating complex business and regulatory requirements into reliable data models and ETL/ELT pipelines.

Responsibilities:

• Design, develop, and optimize ETL/ELT solutions using Snowflake and advanced data engineering practices

• Translate banking and regulatory requirements into scalable technical solutions

• Collaborate with Finance, Treasury, Risk, and Regulatory Reporting teams to implement business logic

• Design and optimize enterprise data warehouse structures for large-scale financial data processing

• Build and maintain data models supporting stress testing, analytical modelling, and management reporting

• Ensure data quality through validation, reconciliation, traceability, and governance controls

• Deliver reliable data assets for reporting, analytics, and downstream consumption

• Improve platform performance, automation, and operational efficiency across the data ecosystem

• Investigate complex data and business issues, perform root-cause analysis, and resolve discrepancies

Must-have Requirements:

• Strong hands-on experience with Snowflake, advanced SQL, and enterprise data warehouse environments

• Extensive experience designing and supporting ETL/ELT frameworks in large and complex organizations

• Experience handling large volumes of structured financial or risk-related data

• Solid knowledge of data quality assurance, validation, testing, and reconciliation processes

• Practical experience in at least one banking domain, such as Balance Sheet Management, Stress Testing, Treasury, Liquidity Management, Financial or Regulatory Reporting, or Risk Management

• Ability to translate business requirements into efficient technical solutions

• Experience gathering requirements and working with senior business and technology stakeholders

• Strong analytical skills, including complex data investigations and impact assessments

• Understanding of data governance, data lineage, compliance, and control frameworks in banking environments

• Strong communication and stakeholder management skills

• Professional fluency in English, both written and spoken

Nice to have Requirements:

• Knowledge of regulatory frameworks and supervisory requirements, including EBA, ECB, Basel III/IV, ICAAP, ILAAP, IRRBB, or regulatory stress testing

• Experience with Data Vault methodology or dimensional data modelling

• Exposure to cloud data platforms

• Experience working in Agile or SAFe delivery environments

• Familiarity with Power BI, Tableau, or other business intelligence tools