GA4 Analytics Implementation Contractor at Harnham, London, £450-£500 per day

Senior Analytics Implementation Consultant (GTM & Server-Side Tracking)

London | 3-month Contract | £450-500/Day | Outside IR35

This is an opportunity to join a high-performing digital measurement and implementation team during a critical period of growth and delivery. You'll take ownership of a substantial implementation backlog, contribute to complex server-side tracking projects, and help deliver key client initiatives before year-end.

The Company

They are a consultancy-led organisation delivering digital analytics, measurement, and implementation services across multiple markets. With a centralised team structure and a growing client portfolio, they support a range of enterprise-level digital transformation and tracking projects. The team operates in a fast-paced environment, balancing technical excellence with a collaborative and proactive culture.

The Role and Deliverables

• Deliver and maintain client-side and server-side tracking implementations across multiple client accounts.
• Support a large-scale server-side migration project within the Google ecosystem, ensuring successful delivery against project timelines.
• Manage implementation tickets, audits, QA processes, tracking updates, and ongoing configuration requests.
• Configure and troubleshoot tags, pixels, APIs, and conversion tracking across digital marketing platforms including Meta and TikTok.
• Work with stakeholders to challenge requirements where necessary and recommend effective technical solutions.
• Support multiple websites and containers, ensuring accurate tracking across complex digital environments.

Your Skills & Experience

• Strong hands-on experience with Google Tag Manager, including server-side GTM implementations.
• Deep understanding of digital measurement, implementation, and tag management systems such as GTM, Tealium iQ or similar platforms.
• Experience implementing Google Analytics events, Advanced Conversions, Consent Mode, Google Gateway, and related tracking frameworks.
• Comfortable working with custom HTML, JavaScript, and custom tagging requirements for debugging and implementation purposes.
• Proven capability delivering end-to-end server-side tracking projects and technical implementation workstreams.
• Strong knowledge of pixels, conversion APIs, and measurement solutions across major social platforms.
• Experience conducting audits, troubleshooting tracking issues, and managing complex tracking requirements across multiple sites and containers.
• Confident communicator who can explain technical approaches clearly to clients and internal stakeholders.
• Agency experience is advantageous, although not essential.

How to Apply

If you are a technically strong implementation specialist with deep GTM and server-side tracking expertise and are looking for a high-impact freelance engagement, please apply with your latest CV.

Desired Skills and Experience

Google Tag Manager, GTM, Server-Side GTM, Server-Side Tracking, Digital Analytics, Implementation Consultant, Google Analytics, GA4, Consent Mode, Advanced Conversions, Google Gateway, Tag Management, Tracking Implementation, Conversion API, CAPI, Meta Pixel, TikTok Pixel, JavaScript, Custom HTML, Technical Analytics, Measurement Strategy, Tealium iQ, Digital Measurement, Freelance Analytics Consultant, Outside IR35, London Contract Jobs, Web Analytics, Tracking Audits, Data Collection, MarTech Implementation, Enterprise Analytics, Conversion Tracking, GTM Specialist, Analytics Consultant, Server-Side Migration