About Me
Who am I and what I do
I’m a Senior Data Engineer who delivers rapid ROI through automation, performance tuning, and right-sized data architecture. I specialize in Snowflake optimization, Data Vault 2.0, and pipeline automation with WhereScape and dbt. I’ve helped FTSE 100 and enterprise clients modernize platforms, cut compute costs, and ship trusted data faster — including projects for Legal & General (IFRS17), E.ON, and Deutsche Bank.
What I Do
Performance & Cost Optimization (Snowflake): Query/warehouse tuning, model refinements, and governance that cuts runtime and spend while improving reliability.
Automated Data Platforms: Industrialize ingestion, testing, and deployment with dbt, WhereScape, Airflow, and CI/CD so teams move from manual toil to push-button delivery.
Data Vault 2.0 & Best-Practice Modeling: Scalable, auditable architectures built for change — with pragmatic patterns your team can maintain.
Stakeholder Enablement: From C-suite outcomes to developer workflows, I align architecture with business goals and upskill teams as we deliver.
Results I’m Proud Of
Snowflake processing time reduced by ~70% plus compute cost savings via query optimization, warehouse tuning, and dbt model improvements (E.ON).
IFRS17 accuracy & auditability: Built extraction/reconciliation scripts; KPMG adopted the approach for audit — accelerating reporting with confidence (Legal & General).
Security & stability uplift for a global bank: hardened an analytics application, improved load times, and raised data quality to speed resolutions.
My work and skills
Tooling & Tech
Snowflake, dbt, Data Vault 2.0, WhereScape RED/3D, VaultSpeed, Airflow, AWS (incl. S3), Postgres, Oracle, MS SQL Server, SAP BODS; plus JIRA/Confluence, Git, and platform governance tooling.
Experience Highlights
Senior Data Engineer (E.ON, via Gulp) — Snowflake optimization, automated data quality, dbt best practices.
Data Engineer – IFRS17 (Legal & General, via Analytics8) — WhereScape automation, audited reconciliation, reporting agility.
Solutions Architect / Evangelist (VaultSpeed & WhereScape) — Client onboarding, API integrations, community enablement, technical leadership.
DWH Consultant (Deutsche Bank; Uniper) — Performance squads, Scrum adoption, quality initiatives across complex BI landscapes.
Certifications & Continuous Learning
Certified Data Vault Practitioner/Modeler, PMI-ACP, Scrum (PSM I, PSPO I, PSD I), ITIL Foundation, SAP Data Services/WebI. Ongoing: dbt and Snowflake certifications.
How I Work
Outcome-first: Start from the metric that matters (cost, SLAs, auditability) and iterate fast.
Automate everything sensible: Testing, deployments, lineage, and operations.
Level-up the team: Pairing, docs, and enablement so wins stick after I leave.
What People Say
People opinion about me and my work.
Alex is a very technically able resource who is capable of leading, guiding and mentoring other team members. During the time Alex worked for me he was always the go-to person for deep technical issues such as performance optimization and resolution of complex design issues. He was a popular member of the team and was well regarded by others and showed great care for his co-workers. He demonstrated on numerous occasions the ability to pick up new skills and apply them immediately. I would recommend Alex in any complex DWH project.
It’s rare that you come across a standout talent and a mentor like Alex. I had the pleasure of working with Alex for almost 3 years at Uniper, collaborating on several development activities. I was particularly impressed with his eagerness to learn a new skill/enhance his existing skill-set and also with his efforts on self improvement. His performance optimisation techniques were legendary! He is also a great team player and has compassion for his co-workers. We always looked forward to Monday mornings thanks to his baked goodies! Alex would be a great asset to any complex DWH project and has my highest recommendation.
It was a delight to work with Alex in Uniper BI project. He has very good understanding of the BI Systems and landscape. He has right attitude towards his assignment and has always provided his valuable consultation to resolve many issues related to performance enhancement in the ETL processes. Alex is surely people’s person, strategic, technically equipped person and great team player. I would always positively recommend Alex to companies. He would be a great asset to any company.