Senior Data Engineer SQL
Swisslinx
Zürich, Switzerland
4 days ago
Role details
Contract type
Permanent contract Employment type
Full-time (> 32 hours) Working hours
Regular working hours Languages
English, French, German Experience level
SeniorJob location
Zürich, Switzerland
Tech stack
Third Normal Form
Software Documentation
Information Systems
Data Validation
Information Engineering
Data Governance
ETL
Data Vault Modeling
Dimensional Modeling
Python
Meta-Data Management
Performance Tuning
Power BI
Standard Sql
SQL Databases
Tableau
Enterprise Data Management
Backend
Information Technology
Tools for Reporting
Software Version Control
Data Pipelines
Api Management
Job description
We are looking for a Senior Data Engineer with strong SQL and data modelling expertise to support the development, optimisation, and governance of enterprise data platforms within a highly regulated financial services environment., * Develop and optimise complex SQL transformations supporting analytics, reporting, and regulatory requirements.
- Build and maintain SQL-centric ETL/ELT data pipelines and ingestion workflows.
- Contribute to enterprise data models including Data Vault, dimensional, and 3NF structures.
- Implement data quality checks, validation rules, monitoring, and SQL testing.
- Support data governance, lineage, metadata management, and documentation standards.
- Collaborate closely with finance, risk, compliance, and business stakeholders to translate requirements into scalable data solutions.
- Support troubleshooting across ingestion, modelling, and operational processes.
- Contribute to platform evolution, engineering improvements, and operational excellence initiatives.
- Work with BI teams to optimise datasets for reporting and dashboard consumption.
- Apply engineering best practices including testing, version control, automation, and documentation.
Requirements
- Apply engineering best practices including testing, version control, automation, and documentation.
- Requirements:
- Bachelor's or Master's degree in Computer Science, Data Engineering, Information Systems, or a related field.
- 5+ years of experience in Data Engineering or SQL-heavy backend development roles.
- Strong experience within banking, financial services, or other regulated enterprise environments.
- Expert-level SQL knowledge including complex query development, optimisation, and performance tuning.
- Strong hands-on experience with enterprise data models such as Data Vault, dimensional modelling, SCD, and 3NF.
- Experience building and maintaining scalable ETL/ELT data pipelines and ingestion workflows.
- Experience with Python for automation, API integrations, or workflow optimisation is highly beneficial.
- Exposure to BI and reporting tools such as Tableau, Power BI, or similar platforms is advantageous.
- Experience working with data governance, lineage, metadata management, monitoring, and testing frameworks.
- Strong analytical thinking and problem-solving capabilities with a proactive and quality-focused mindset.
- Excellent communication and stakeholder management skills with the ability to collaborate across technical and business teams.
- Fluent English is required; German and/or French is considered advantageous.
About the company
A leading international financial services organisation focused on delivering large-scale data, analytics, and transformation initiatives across finance, risk, compliance, and business operations within a complex enterprise environment.