As a Marketing Data Engineer, you will own the technical setup that makes our marketing and lifecycle measurement reliable from click to first trade. You will implement and maintain tracking, conversion pipelines, and offline conversion playback into ad platforms, and you will monitor and troubleshoot issues end-to-end. This is a hands-on implementation and debugging role.While the role is primarily focused on marketing and lifecycle measurement, there is also scope to support adjacent data and engineering initiatives across Trading, Client Analytics, Sales, Compliance, Risk, and Product experimentation.Who We AreTrade Nation is a global CFD and spread betting broker. We help traders make better decisions through clear market insights, transparent pricing and fairer approach to trading.Since 2014, we've grown into a market-leading, low-cost broker with our headquarters in London and offices across Europe, South Africa, Asia-Pacific, and key offshore regions including the Caribbean and Indian Ocean. Our platform is available in 14 languages, making it accessible to traders worldwide.Built on transparency and trust, and driven by our people, our focus is simple: helping customers trade more effectively. We do that by keeping costs low, cutting unnecessary complexity and using technology to put traders first.Our Commitments To Each OtherWe have each other's backsThere when we need each other mostWe Challenge Each OtherBe more creative, more curious, and more boldWe thrive togetherTaking our work to the next levelWe form strong bondsThrough team-building and social eventsWe don't judgeInstead, we teach and are open to learningWe step upTaking ownership and supporting one another to do the sameResponsibilitiesConversion tracking and event implementationOwn 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, AustraliaWork with engineering to implement and maintain the website/app data layer and backend outcome eventsCRM mapping and offline conversion playback (core requirement)Map CRM lifecycle states and backend outcomes to a measurable schema that is consistent and auditableBuild 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 importsEnsure conversion parity and stability across GA4, CRM, backend outcomes, and ad platformsPaid platform measurement plumbingImplement, 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 troubleshootingSet 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 completionMaintain clear incident notes and root-cause summaries so the same issue does not repeatGovernance and change controlOwn an event dictionary (names, definitions, parameters, owners) and a conversion mapOwn UTM and tagging standards, and enforce them through templates and checksMaintain change control for tracking and measurement changes: release checklist, QA steps, access control, and loggingConsent-aware measurementEnsure measurement works correctly under consent requirements and agreed tracking rulesWork with the consent/CMP setup and keep documentation suitable for reviewValidation and reconciliation (supporting Data)Support Data/BI by providing validation views and simple reconciliation checks between platform-reported conversions, site/app events, and CRM/backend outcomesWhere needed, ingest key platform data for QA and troubleshooting (spend/clicks/conversions), without turning the role into a pure BI functionAmplitude and experimentation supportPartner with Data on Amplitude rollout and instrumentation needsEnsure event coverage supports analysis and testing, including experiment exposure and outcome events where requiredKeep GA4 and Amplitude aligned where it mattersAttribution hygiene supportWork with Marketing to implement clean, auditable source logic and support fixes to known distortions (including partner/affiliate override behaviours where relevant)RequirementsStrong hands-on experience implementing and debugging GA4 + GTMProven experience with CRM lifecycle mapping and turning CRM/backend outcomes into measurable eventsProven 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 deduplicationComfortable working with data layers and basic JavaScript, and partnering with engineers on backend eventsAble 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 mappingStrong troubleshooting skills: can isolate issues fast and explain root cause clearly to technical and non-technical stakeholdersPreferred RequirementsServer-side tagging experience (or equivalent server-side event architecture)Familiarity with HubSpot at an admin/ops levelExperience instrumenting Amplitude or similar product analytics toolsExperience in regulated industries (financial services, gambling, etc.)Experience implementing data visualisation dashboards with a BI Tool, Metabase is what we use. (Tableau, PowerBI etc.)BenefitsCompetitive salary, and discretionary annual bonusPrivate healthcareLife Insurance, Critical Illness & Income Protection coverActive Lifestyle allowanceAnnual leave above minimum entitlementUp to 3 weeks allowance to work in any locationFresh fruit weekly