GA4 Implementation Specialist

Digital Data Analyst Contractor London or Derbyshire-based office, 2-3x a week on-site, £500 Day Rate, IR35 TBD, 6-month contract, Start date 27th July.

This is a high-impact contract supporting a major digital transformation across a complex e-commerce environment. You will step into a pivotal role, combining hands-on GA4 expertise with strategic oversight to shape a scalable, best-practice tracking framework.

The Company They are a large, multi-brand organisation undergoing significant investment in their digital and MarTech capabilities. With a complex estate across web and app, they are focused on improving data quality, governance, and measurement standards. Their MarTech function is evolving quickly, creating an opportunity for an experienced contractor to influence both immediate delivery and future strategy. You will work alongside internal teams and external vendors in a fast-paced, delivery-focused environment.

The Role and Deliverables

• Conduct a full audit of existing GA4, GTM, client-side and server-side tracking implementations
• Assess and validate data collection, event tracking, attribution and reporting outputs
• Identify tracking gaps, inconsistencies, and data quality issues, and define clear remediation plans
• Produce implementation-ready documentation including tagging specifications and Jira tickets
• Establish scalable tagging governance frameworks including naming conventions, event catalogues and decision trees
• Collaborate with internal teams and third-party vendors to align on tracking standards and future CDP readiness

Your Skills & Experience

• Strong experience auditing and implementing GA4 and GTM in complex digital environments
• Experience with server-side tracking and evaluating end-to-end data collection frameworks
• Proven ability to translate technical findings into clear implementation plans and developer-ready specifications
• Experience defining tagging governance, taxonomy and tracking standards at scale
• Familiarity with Segment CDP, or any other CDP and working alongside external vendors
• Ability to operate at both hands-on and strategic levels within MarTech and digital data

How to Apply If you are a GA4 specialist who enjoys combining technical delivery with strategic impact, apply now to be considered.