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Contract - Senior Data Engineer (Snowflake Cortex) 
Rate: £600 - 650 per day, Outside IR35
Location: London (2 days per week, on-site) 
Start Date: Monday 9th November 2026 
Length: 6 months initially, with a chance of extension. 
Interview Stages: 1-stage over Teams, with joint company owners (CEO and CTO) 

Opus have partnered with a rapidly growing HealthTech start-up who's recently received funding. They're on a mission to build a next-gen data platform for processing millions of confidential patient records and clinical documents securely, and at scale. The successful Data Engineer will play a pivotal part in helping to design and deliver AI-enabled document processing pipelines using Snowflake Cortex, helping to extract valuable insights from unstructured healthcare data including patient records, referral letters, clinical notes, PDFs and compliance documentation. 

The role:
- Design and build scalable data pipelines in Snowflake (Snowpipes)
- Design and develop cloud-native data platforms on AWS and Snowflake 
- Build resilient document ingestion pipelines for healthcare data
- Develop ETL frameworks to transform raw clinical data into analytics ready datasets
- Build secure and compliant solutions that align with GDPR and healthcare data governance standards

Stack: Snowflake | Snowflake Cortex | AWS - S3, Glue, Lambda, Step Functions | Python | SQL | dbt | Airflow| Terraform | Docker | GitHub CI/CD

Requirements
Must have advanced SQL and Python + experience delivering modern cloud-based data platforms 
Must have enterprise level snowflake experience 
Strong AWS data engineering experience (Glue preferred)


Nice to have:
Relevant HealthTech / MedTech experience
Snowflake Cortex experience 
Snowpro / AWS Certifications
Experience handling sensitive data / Knowledge of GDPR, NHS DSPT or healthcare compliance frameworks

Reach out to Adam Akhtar at Opus Recruitment for futher information. Read less