Senior Data Engineer "Outside IR35 " UK-Hybrid - West London " £400/Day at 9NEXUS, London Area, £Contract Rate

Location: West London | Hybrid – 2–3 days WFO

• Design, build & support scalable data models and distributed ETL pipelines
• Strong Python + Advanced SQL
• Google BigQuery / GCP and cloud-based data warehousing
• Strong DBT for data pipelines and transformations
• Dimensional modelling, data flow and analytics/reporting
• DataOps, CI/CD, TDD and Agile practices
• Snowflake, Iceberg & Lakehouse architecture
• Troubleshoot data incidents and ensure platform reliability
• Stakeholder collaboration and requirements analysis
• Lead/mentor engineers and contribute to data architecture/governance
• Bonus: Customer/Commerce data, third-party integrations, BDD, AI/ML

Mandatory: Data Engineering + Advanced SQL + Python + BigQuery/GCP + DBT + Data Modelling + ETL + CI/CD. Senior Data Engineer - Job desc…