Senior Software Engineer Google Tag Manager & Server-Side Tagging

• Design, implement and scale our server-side GTM hosting platform, including container orchestration and runtime optimizations.
• Build advanced GTM and sGTM templates (clients, tags, variables), including sandboxed JavaScript logic, permissions, and data transformations.
• Design event ingestion workflows, transformation layers, and commerce analytics mappings (GA4 eCommerce, Measurement Protocol, etc.).
• Implement and optimize server-side data routing, caching, and identity management.
• Integrate with external APIs (GA4, Ads, third-party vendors) to support complex tracking setups.
• Lead complex technical initiatives that span across product and infra boundaries.

Do you have experience in Web analytics?, * 5+ years of engineering experience, ideally with strong backend exposure.

• Deep hands-on expertise with GTM and sGTM, including: Client templates, Tag templates, Variable templates, Permissions & sandboxed script restrictions.
• Strong proficiency in JavaScript, Node.js, and TypeScript.
• Solid grounding in API/service design & security.
• Strong understanding of GA4, ecommerce schemas, Measurement Protocol, and cross-platform data mapping.
• Experience with CDNs (e.g. Cloudflare,Akamai, GCP) for caching, edge execution, and traffic routing.
• Hands-on experience with cloud-native infrastructure (GCP is a plus).
• Ability to lead system design discussions and influence architectural direction.

Nice to Have

• Experience running Kubernetes clusters and container-based tagging pipelines.
• Background from web analytics, digital measurement, or marketing engineering.
• Understanding of consent management, privacy enforcement, and compliance-aware data flows.
• Experience integrating with Meta, TikTok, or other ads platforms.

Usercentrics is a global market leader in the field of Consent Management Platforms (CMP). We enable businesses to collect, manage and document user consents on websites and apps in order to achieve full compliance with global privacy regulations while facilitating high consent rates and building trust with their customers.

Usercentrics believes in creating a healthy balance between data privacy and data-driven business, delivering solutions for every size of enterprise. Cookiebot CMP is our plug-and-play SaaS for smaller businesses and organizations, App CMP handles user consent on mobile apps, and Usercentrics CMP serves companies with enterprise-grade custom requirements for unifying consent and data from capture to processing.

Helping clients like Daimler, ING Diba and Santander achieve privacy compliance, Usercentrics is active in more than 100 countries, with 2000+ resellers and handles more than 61 million daily user consents.

Visit usercentrics.com and cookiebot.com to learn more.