Alex Rolls

WORK HISTORY

EDUCATION

ABOUT ALEX ROLLS

Experienced Lead Data Engineer with a proven track record of designing, delivering, and managing scalable data solutions across cloud and on-premises environments. Passionate about driving business value through data-driven strategies, improving system performance, and fostering team development.Key Achievements:Data Engineering Leadership: Delivered robust data solutions, including Snowflake RBAC models, secure HR data ingestion pipelines, and data reconciliation processes leveraging Databricks and Snowflake.CI/CD & Automation: Built Python-based CI/CD pipelines for Matillion and Flyway, enabling independent deployments. Automated key Snowflake tasks like database creation, role/user management, and alerting.Data Governance & Compliance: Designed data governance frameworks, including data masking and retention policies, ensuring sensitive data protection and regulatory compliance.Performance Optimization: Resolved data ingestion performance issues and built testing environments on Hadoop, saving £9M by enabling real-time ingestion optimization.Innovative Solutions: Delivered a cost-saving log analytics platform in Snowflake, reducing expenses by £35k/month. Developed a Redis caching solution integrating Matillion, Snowflake, and Databricks for real-time data lookups.Cloud & Big Data Expertise: Managed large-scale migrations such as SAS Grid from 9.4 M3 to M6 and developed POCs for real-time data ingestion using Kafka Connect, Event Hub, and Hadoop.People & Project Management: Mentored senior engineers and managed apprentices, fostering skill development. Defined release processes and led stakeholder communications for complex projects.I’m passionate about leveraging cutting-edge technologies to solve complex data challenges and deliver meaningful business impact. Let’s connect if you’re interested in collaborating on innovative data engineering projects!