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Martech Engineer

London🌐 Remote💼 Full-time🗓 2026-08-12 → 2026-09-26

Core

Build and maintain the end-to-end measurement layer for paid marketing acquisition, including tag management, server-to-server conversion tracking, and data validation.

Role type

Martech Engineer (Measurement & Attribution)

Builds

Measurement stack, server-side GTM containers, conversion APIs, and monitoring systems for paid media campaigns.

Domain

Digital Marketing Technology / Web Analytics / Attribution

Deliverable

production ML models | product features | dashboards & analysis | infrastructure

Required skills

JavaScript, TypeScript, Google Tag Manager (server-side), Conversion APIs (Meta CAPI, Google Enhanced Conversions), SQL, Web Performance optimization, Consent Mode v2

Preferred skills

CDP platforms (Segment, RudderStack, Snowplow), Product analytics (GA4, Amplitude, PostHog), dbt, Next.js, Incrementality testing

Technologies

Google Tag Manager, Meta CAPI, Google Enhanced Conversions, SQL, Next.js

Responsibilities

Own tag manager setup and review changes, fix tracking bugs and debug attribution discrepancies, build server-to-server conversion tracking, improve script performance and Core Web Vitals, enforce consent and regional restrictions, define event schema and UTM conventions, build monitoring and alerting for the measurement stack

Seniority

Individual Contributor (IC)

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