Martech/Tagging Specialist in London

Salary: £55,000 - 55,000 per year

Requirements

• Strong hands-on experience with Google Tag Manager.
• Experience with Google Analytics across web and app environments.
• Experience working with Consent Management Platforms and privacy compliance requirements.
• Solid understanding of event tracking, conversion tracking, and data layer structures.
• Experience debugging tracking issues across web and mobile environments.
• Experience supporting marketing and analytics teams.
• Ability to independently troubleshoot and resolve technical issues.
• Familiarity with cross-domain tracking.
• Exposure to app tracking concepts such as Firebase or similar platforms.
• Experience in performance-driven industries such as gaming, betting, e-commerce, or digital marketing.
• Highly detail-oriented and organised.
• Proactive, solution-focused mindset.
• Strong ownership, accountability, and the ability to challenge implementation.

Advantageous:

• Front-end development skills in HTML, CSS, and JavaScript.
• Experience with server-side tracking, CAPI, S2S, or Reporting APIs.
• Experience working in the iGaming, betting, online casino, or e-commerce sector.
• Experience with app tracking, SDKs, AppsFlyer, Firebase, or similar platforms.

Responsibilities

• Own and manage Google Tag Manager across active brands, countries, and markets.
• Manage and maintain our Consent Management Platform.
• Maintain Google Analytics properties across web and app environments.
• Implement and maintain conversion tracking, event tracking, marketing pixels, and third-party tags.
• Ensure tracking reliability across platforms such as Google Ads, Floodlights, Meta Pixel, AppsFlyer, SDKs, and app campaigns.
• Keep tracking implementations compliant with GDPR, consent management requirements, and evolving privacy standards.
• Maintain a structured, scalable, and reliable data layer.
• Monitor tracking performance and proactively identify issues or inconsistencies.
• Act as the main point of contact for tracking-related issues.
• Investigate and resolve discrepancies in conversion data.
• Debug tracking across landing pages, multi-step funnels, and cross-domain journeys.
• Support and maintain server-side tracking implementations, including S2S, CAPI, and Reporting APIs.
• Perform regular audits of GTM containers, tags, triggers, variables, and data consistency across multiple platforms.
• Reduce reliance on external engineering teams by independently resolving tracking issues where possible.
• Build, update, and maintain marketing landing pages through CMS platforms.
• Support landing pages for channels such as PPC, Paid Social, and performance marketing.
• Implement tracking requirements directly into front-end code where required.
• Ensure pages are responsive, performant, and technically sound.
• Act as a bridge between marketing and technical teams.
• Translate business requirements into clear technical specifications.
• Validate and QA test implementations delivered by external teams.
• Challenge and verify technical implementation where required.
• Support teams with clear communication around tracking, tagging, and analytics requirements.

We are a leading organisation within the iGaming and online entertainment industry, and we are looking for a technically minded Martech/Tagging Specialist to join our growing marketing team in a hybrid London-based role. This position sits at the intersection of marketing, analytics, and engineering, and reports into our Senior Marketing Analyst. We offer 24 days of annual leave, a hybrid working model with 3 days in the office, a competitive salary plus annual bonus after probation, private healthcare and life insurance after probation, and participation in our company pension scheme. This is an opportunity to work across multiple brands, countries, and markets in an international environment where accuracy, collaboration, and reliable measurement are central to how we operate.