# Fractional Data Engineer > Fractional data engineering services. Senior-level data engineers who build production-ready pipelines and infrastructure without the cost of a full-time hire. We work with SaaS and tech-enabled companies — typically 10 to 200 people, post-Series A or profitable bootstrapped — that need senior data engineering expertise on a fractional basis. ## Services - Data pipeline design and implementation - Data warehouse and lakehouse architecture - ETL/ELT migration and modernisation - Event tracking and analytics infrastructure - Self-serve BI and Metabase setup - Data platform audits and cost optimisation ## Key Pages - [Homepage](https://www.fractionaldataengineer.com): Overview of services, pricing, and how it works - [Case Studies](https://www.fractionaldataengineer.com/case-studies): Real client projects with results - [Data Cost Calculator](https://www.fractionaldataengineer.com/calculator): Estimate what messy data infrastructure is costing your company ## Contact - Email: contact@fractionaldataengineer.com - Website: https://www.fractionaldataengineer.com