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neXa

Senior Big Data Engineer, Snowflake

neXa

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

Posted 11/5/2026full-timeWarsaw • PolandSeniorWebsite

Core Competencies

Role fit
Core Competencies

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Demonstrates expertise in designing and optimizing ETL/ELT solutions using Snowflake and advanced SQL within enterprise data warehouse environments. Proficient in translating banking and regulatory requirements into scalable technical solutions while ensuring data quality and governance.

Highest-signal resume keywords
SnowflakeETL/ELT FrameworksAdvanced SQLData Quality AssuranceBanking Domain Experience

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
ETL/ELT SolutionsData Warehouse DesignData ModelingData ValidationRoot-Cause AnalysisData GovernanceRegulatory ComplianceAnalytical ModelingStress TestingFinancial Reporting
Soft Skills
Analytical SkillsCommunication SkillsStakeholder Management
Tools & Technologies
Power BITableauCloud Data Platforms
Industry Keywords
BankingRegulatory RequirementsBasel III/IVLiquidity ManagementRisk Management

Tech Stack

Tools & technologies
CloudETLSnowflakeSQLTableauVault

About the role

Key responsibilities & impact
  • 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
  • Collaborate with senior business and technology stakeholders in a banking environment

Requirements

What you’ll need
  • 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
  • Knowledge of regulatory frameworks and supervisory requirements, including EBA, ECB, Basel III/IV, ICAAP, ILAAP, IRRBB, or regulatory stress testing (nice to have)
  • Experience with Data Vault methodology or dimensional data modelling (nice to have)
  • Exposure to cloud data platforms (nice to have)
  • Experience working in Agile or SAFe delivery environments (nice to have)
  • Familiarity with Power BI, Tableau, or other business intelligence tools (nice to have)

Benefits

Comp & perks
  • B2B contract
  • Hybrid work
  • Minimum 3 days per week onsite