Marketing Data Engineer owning technical setup for marketing measurement and supporting data initiatives. Collaborating across multiple departments to ensure reliable tracking and conversion implementation.
Responsibilities
Own end-to-end tracking for the funnel: application (where applicable), KYC started/submitted/approved, first deposit (FTD), first trade (FTT).
Define and maintain a consistent event and parameter schema across markets including but not limited to UK, EEA, South Africa, Australia.
Work with engineering to implement and maintain the website/app data layer and backend outcome events.
Map CRM lifecycle states and backend outcomes to a measurable schema that is consistent and auditable.
Build and maintain offline conversion pipelines from CRM and backend systems into paid platforms, including but not limited to: Google Ads offline conversion imports and Enhanced Conversions where relevant; paid social platforms (e.g., Meta, TikTok, X, Reddit), including server-side events APIs and any supported offline conversion imports; programmatic platforms (e.g., DV360), including floodlight/conversion setup and any supported offline conversion imports.
Ensure conversion parity and stability across GA4, CRM, backend outcomes, and ad platforms.
Implement, validate, and maintain; GA4 and GTM (client-side and server-side where applicable); Google Ads conversion setup, imports, and validation; Meta Pixel + Conversions API and validation; Other platforms as needed (TikTok, DV360, etc.); monitoring, QA, and troubleshooting.
Set up ongoing health checks and alerting for critical events and pipelines (drops, delays, duplicates, mismatches).
Investigate issues where GA4, CRM, backend systems, and platforms disagree, and fix or drive fixes to completion.
Maintain clear incident notes and root-cause summaries so the same issue does not repeat.
Own an event dictionary (names, definitions, parameters, owners) and a conversion map.
Own UTM and tagging standards, and enforce them through templates and checks.
Maintain change control for tracking and measurement changes: release checklist, QA steps, access control, and logging.
Ensure measurement works correctly under consent requirements and agreed tracking rules.
Work with the consent/CMP setup and keep documentation suitable for review.
Support Data/BI by providing validation views and simple reconciliation checks between platform-reported conversions, site/app events, and CRM/backend outcomes.
Where needed, ingest key platform data for QA and troubleshooting (spend/clicks/conversions), without turning the role into a pure BI function.
Partner with Data on Amplitude rollout and instrumentation needs.
Ensure event coverage supports analysis and testing, including experiment exposure and outcome events where required.
Keep GA4 and Amplitude aligned where it matters.
Work with Marketing to implement clean, auditable source logic and support fixes to known distortions (including partner/affiliate override behaviours where relevant).
Requirements
Strong hands-on experience implementing and debugging GA4 + GTM.
Proven experience with CRM lifecycle mapping and turning CRM/backend outcomes into measurable events.
Proven experience building and maintaining offline conversion pipelines into Google Ads (offline imports, Enhanced Conversions where relevant).
Proven experience implementing and maintaining Meta Pixel + Conversions API, including match keys and deduplication.
Comfortable working with data layers and basic JavaScript, and partnering with engineers on backend events.
Able to validate and reconcile data using SQL and warehouse tools (Redshift helpful).
Exposure to Amplitude instrumentation and event taxonomy, and ability to align Amplitude events with marketing measurement and conversion mapping.
Strong troubleshooting skills: can isolate issues fast and explain root cause clearly to technical and non-technical stakeholders.
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