Server-Side Tracking Engineer

We're a performance marketing agency running Meta and Google Ads campaigns for financial services / fintech clients across multiple international markets. We need an experienced tracking engineer to set up and audit server-side tracking across several client websites and funnels. Scope of work: - Implement/audit Meta Conversions API (CAPI) server-side, ensuring proper event match quality (deduplication with Pixel, correct parameters: fbp, fbc, hashed PII) - Set up Google Tag Manager Server-Side container(s) where needed - Configure Google Ads Enhanced Conversions and offline/API conversion imports - Fix/verify custom conversion events (e.g. signup, purchase/challenge events) that aren't firing correctly or appearing in ad platform dropdowns - Diagnose and resolve tracking discrepancies between platform-reported data and actual conversions (e.g. missing PageView events, fbclid/gclid capture issues, broken integrations feeding into attribution tools) - Ensure tracking setups are compliant with each site's tech stack (mix of custom builds and landing page tools) - Document setup clearly enough for our internal team to maintain going forward Ideal skills/experience: - Strong hands-on experience with Meta Conversions API (not just Pixel) - Google Tag Manager Server-Side container setup and management - Google Ads API / Enhanced Conversions implementation - Comfortable working across multiple domains/clients with isolated data (confidentiality required) - Experience troubleshooting attribution discrepancies - Clear communicator, able to explain technical fixes to a non-technical marketing team Deliverables: - Working server-side tracking implementation (CAPI + GTM server container where applicable) - Verified event match quality and conversion accuracy - Short documentation of what was set up and how to QA it going forward To apply, please include: - Examples of past server-side tracking implementations (Meta CAPI and/or GTM server-side) - Your general approach to diagnosing a "missing conversions" issue