Data Engineer: ETL Pipelines, Data Quality & Governance

Cpl; Greater London; On-site; GBP 44,000 - 74,000; Full time

Job summary

CPL in London is seeking an experienced Data Engineer to join a fast-paced technology environment. You will design, build and optimise ETL/ELT pipelines, develop robust data models and curate data assets to support complex enterprise data flows.

The role requires strong SQL skills, data engineering expertise and the ability to translate business requirements into auditable datasets. This is a fully onsite contract role with competitive daily pay.

Qualifications

• Strong SQL and data engineering expertise.
• Experience building reliable data pipelines and curated datasets.
• Ability to investigate complex data issues and identify root causes.

Responsibilities

• Design, build and optimise ETL/ELT data pipelines across multiple data sources.
• Write and optimise complex SQL queries including joins and window functions.
• Translate business requirements into auditable datasets.
• Perform data mining, reconciliation and root-cause analysis across data sources.
• Map end-to-end data lineage and system flows from source to serving.
• Build and maintain curated data layers, data marts and warehouse structures.
• Design and implement data quality controls, monitoring and remediation processes.
• Investigate pipeline failures and data anomalies and resolve issues at source.
• Develop scalable processes for data quality issue prioritisation and resolution
• Work with product, analytics, platform and source-system teams.
• Produce technical documentation including lineage maps and DQ rules.
• Lead workshops on systems, data flows and root-cause analysis.
• Hands-on SQL with advanced querying and performance optimisation.
• Experience in commercial Data Engineering within complex enterprise environments.
• Strong data platform security, access controls and auditability.

Skills

SQL

ETL/ELT

Data pipelines

Data quality

Data governance

Data modelling

Data warehousing

Data observability

Job description

CPL in London is seeking an experienced Data Engineer to join a fast-paced technology environment. You will design, build and optimise ETL/ELT pipelines, develop robust data models and curate data assets to support complex enterprise data flows.

The role requires strong SQL skills, data engineering expertise and the ability to translate business requirements into auditable datasets. This is a fully onsite contract role with competitive daily pay.