Our client is seeking a detail-oriented Martech/Tagging Specialist with strong hands-on experience in Google Tag Manager, Google Analytics, consent management, conversion tracking, event tracking, and digital measurement .
This hybrid London-based role sits at the intersection of marketing, analytics, and engineering, ensuring accurate, scalable, and compliant tracking across web, mobile, landing pages, campaigns, and international markets.
The Role
Our client, a leading organisation within the iGaming and online entertainment industry, is looking for a Martech/Tagging Specialist to join their growing marketing team.
This role is ideal for a technically minded marketing professional with strong experience in web analytics, tag management, digital tracking, Google Tag Manager, Google Analytics, consent management platforms, and campaign measurement
The successful candidate will be responsible for managing and maintaining digital marketing tracking across web and mobile properties, ensuring data accuracy, supporting marketing performance measurement, and helping teams make informed decisions through reliable tracking implementation.
Reporting into the Senior Marketing Analyst, you will act as a key liaison between marketing, analytics, product, engineering, and external technical teams. You will help ensure tracking requirements are clearly understood, correctly implemented, thoroughly tested, and accurately validated.
This is a hands-on role suited to someone who is proactive, detail-oriented, technically confident, and comfortable working across both technical and non-technical teams.
Key Responsibilities
Tracking and Tag Management
As the Martech/Tagging Specialist, you will be responsible for:
Owning and managing Google Tag Manager across active brands, countries, and markets
Managing and maintaining the companys Consent Management Platform
Managing and maintaining Google Analytics properties across web and app environments
Implementing and maintaining conversion tracking, event tracking, marketing pixels, and third-party tags
Ensuring accurate tracking and measurement reliability across platforms such as Google Ads, Floodlights, Meta Pixel, AppsFlyer, SDKs, and app campaigns
Ensuring tracking implementations remain compliant with GDPR, consent management requirements, and evolving privacy standards
Maintaining a structured, scalable, and reliable data layer
Monitoring tracking performance and proactively identifying issues or inconsistencies
Tracking Maintenance and Troubleshooting
You will also be responsible for:
Acting as the main point of contact for tracking-related issues
Investigating and resolving discrepancies in conversion data
Debugging tracking across landing pages, multi-step funnels, and cross-domain journeys
Supporting and maintaining server-side tracking implementations, including S2S, CAPI, and Reporting APIs
Performing regular audits of GTM containers, tags, triggers, variables, and data consistency across multiple platforms
Reducing reliance on external engineering teams by independently resolving tracking issues where possible
Front-End Development Support
This role will also support campaign and landing page delivery by:
Building, updating, and maintaining marketing landing pages through CMS platforms
Supporting landing pages for channels such as PPC, Paid Social, and performance marketing
Implementing tracking requirements directly into front-end code where required
Ensuring pages are responsive, performant, and technically sound
Cross-Team Collaboration
You will work closely with internal and external teams, including:
Performance marketing
Business analytics
Product and engineering
External technical
Marketing stakeholders
Key collaboration responsibilities include:
Acting as a bridge between marketing and technical teams
Translating business requirements into clear technical specifications
Validating and QA testing implementations delivered by external teams
Challenging and verifying technical implementation where required
Supporting teams with clear communication around tracking, tagging, and analytics requirements
What We Are Looking For
Strong hands-on experience with Google Tag Manager
Experience working with Consent Management Platforms
Experience building and maintaining Google Analytics
A solid understanding of event tracking, conversion tracking, and data layer structures
Experience debugging tracking issues across web and mobile environments
Experience working with marketing and analytics
The 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
Strong attention to detail and a highly organised approach
A proactive, solution-focused mindset
Strong ownership, accountability, and the ability to challenge implementation
? Advantageous Skills
Front-end development skills in HTML, CSS, and JavaScript
Creative or design capabilities
Experience supporting landing page development
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
Personal Attributes
Detail-oriented, diligent, and highly organised
Motivated, curious, and eager to learn
Comfortable working in an international and multi-market environment
Confident in communicating with, challenging, and influencing stakeholders
Benefits
24 days of annual leave
Hybrid working model 3 days in the office
Competitive salary plus annual bonus, eligible after completing probation
Private healthcare and life insurance upon successful completion of probation
Participation in the company pension scheme
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