eClerx
Website:
eclerx.com
Job details:
Role Overview
JOB DESCRIPTION
We are seeking a highly experienced
Google Tag Manager (GTM) Subject Matter Expert (SME) for our Media Operations and advanced tracking/implementation. This role requires deep technical expertise in GTM and GA4, along with the ability to translate complex marketing and business objectives into scalable, compliant, and future-ready tracking solutions.
As an SME, you will own the end-to-end tracking across web and mobile platforms, drive best practices, and act as the primary technical advisor for stakeholders, developers, and external partners.
Key Responsibilities
- Design, implement, and maintain enterprise-grade tracking frameworks using GTM Web, GTM Server-side, GA4, and Firebase across web and mobile app environments.
- Define scalable event taxonomies, naming conventions, and dataLayer standards for global deployments.
- Develop custom tracking solutions using JavaScript, JSON, and regular expressions to support complex business logic beyond standard tag capabilities.
- Build and maintain custom GTM templates and advanced trigger logic.
- Collaborate with marketing, product, analytics, and engineering teams to define measurement frameworks, KPIs, and attribution models.
- Translate business requirements into detailed tracking specifications and technical documentation.
- Lead the implementation of cookie consent management platforms (CMPs) and privacy-first tracking strategies.
- Ensure compliance with global data protection regulations including GDPR, CCPA, and other regional privacy laws.
- Diagnose and resolve complex tracking issues and data discrepancies using tools such as GTM Preview, Chrome DevTools, Charles Proxy, and network debuggers.
- Conduct comprehensive audits of existing tagging and analytics implementations and recommend optimizations.
- Act as the primary technical point of contact for external vendors, agencies, and ad-tech partners.
- Mentor junior Ad Operations specialists and collaborate closely with developers to ensure best-in-class tagging practices.
- Own end-to-end mobile app tracking architecture across Android and iOS using Firebase, SDK-based tracking, and server-side integrations
- Design and implement event instrumentation frameworks for mobile apps ensuring parity with web tracking
- Work closely with engineering teams to define SDK-based tracking (Firebase/custom events/APIs)
- Lead integration and management of MMPs (AppsFlyer, Adjust, Branch, Kochava)
- Configure attribution models, deep linking, SKAdNetwork, and fraud validation
- Ensure accurate mapping between app events → MMP → ad platforms → analytics tools
- Enable campaign attribution for installs and in-app events
- Align web (GTM), app (SDK/MMP), and backend tracking
- Build validation frameworks using Firebase DebugView, and MMP dashboards
- Strong experience with Firebase Analytics and mobile event tracking
- Hands-on experience with at least one MMP (AppsFlyer, Adjust, Branch, Kochava)
- Deep understanding of mobile attribution and SKAdNetwork
- Experience debugging mobile tracking via SDKs, logs, and network tools
Additional Responsibilities (Mobile & MMP Tracking)
Mobile & MMP Expertise (Must Have)
Required Skills & Qualifications
- GTM Expertise: Advanced mastery of Google Tag Manager, including Server-side tagging, custom templates, and complex trigger configurations.
- Technical Proficiency: Strong hands-on experience with JavaScript, HTML, CSS, DOM manipulation, and dataLayer architecture.
- Analytics Expertise: In-depth knowledge of GA4, including property setup, event modeling, cross-domain tracking, and debugging.
- Advertising Ecosystem Knowledge: Proven experience implementing and managing tracking for large-scale campaigns across Google Ads, Meta, LinkedIn, and programmatic DSPs.
- Data Visualization: Ability to create insightful dashboards and reports using Looker Studio or similar BI tools to measure performance, attribution, and ROI.
- Mobile Analytics: Firebase, GA4
- MMP Platforms: AppsFlyer, Adjust, Branch, Kochava
- Debugging Tools: Proxyman, Firebase DebugView
- SDK Knowledge: Android (Kotlin/Java), iOS (Swift/Obj-C)
- Privacy Frameworks: SKAdNetwork, ATT, GDPR-compliant tracking
Extended Tech Stack (Mobile + Attribution)
Preferred Certifications
- Google Analytics 4 (GA4) Certification (Good to Have)
- Google Tag Manager Advanced Certification (Must Have)
- Google Ads (Search, Display, Video) Certifications (Good to Have)
This role is ideal for a GTM Ad Operations professional who thrives at the intersection of marketing strategy, analytics, and engineering, and who can own complex tracking ecosystems at scale.
About The Team
eClerx is a global leader in productized services, bringing together people, technology and domain expertise to amplify business results. Our mission is to set the benchmark for client service and success in our industry. Our vision is to be the innovation partner of choice for technology, data analytics and process management services. Since our inception in 2000, we've partnered with top companies across various industries, including financial services, telecommunications, retail, and high-tech. Our innovative solutions and domain expertise help businesses optimize operations, improve efficiency, and drive growth. With over 18,000 employees worldwide, eClerx is dedicated to delivering excellence through smart automation and data-driven insights. At eClerx, we believe in nurturing talent and providing hands-on experience.
eClerx is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability or protected veteran status, or any other legally protected basis, per applicable law.
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