Senior Analytics Implementation Engineer in London

In a nutshell, we're all about making the world of wine a better place – we fund and source directly from independent winemakers to bring customers better quality wine for a better price, with no middlemen. We’re one of the UK's favourite wine clubs, shipping over 1 million cases a year to curious wine lovers, and our global team is entrepreneurial, obsessive about customer experience and driven by performance.

Location & Flexible Working: London or Norwich Office – Hybrid role (1 day a week in office).

What you’ll do:

• Web Tracking Stack Ownership: Act as the single technical authority for tag firing, event delivery and the dataLayer contract across GA4, Amplitude and client‑/server‑side GTM.
• Signal Engineering: Maintain and optimise server‑side conversion APIs (Meta CAPI, Google Enhanced Conversions, TikTok Events API), driving high Event Match Quality scores and hardening identifier coverage.
• Architecture & Schema Design: Architect, document and implement structured dataLayer schemas and author precise technical specifications for front‑end teams.
• Warehouse Integration: Partner with Data Engineering on the pipeline from GA4 BigQuery export into our downstream data warehouse, preserving event‑level fidelity for unified reporting.
• Data Quality Agenda: Define data standards, build automated validation frameworks and anomaly alerting, and lead investigations into cross‑tool discrepancies.
• Platform Enablement: Drive the adoption of our web analytics platform across Naked Wines, run role‑specific training, build self‑serve documentation and empower teams.
• Cross‑Functional Support: Support the broader analytics engineering function across the full stack – from the browser tracking event down to data warehouse and semantic layer.

What you’ll bring:

• Proven experience in a technical digital analytics or implementation engineering role, with deep, hands‑on mastery of GA4 and GTM (both client‑side and server‑side).
• Strong understanding of dataLayer design, event‑driven tracking patterns and translating business requirements into clean event schemas.
• Hands‑on experience implementing analytics within a Shopify Plus environment, navigating its dataLayer, theme architecture and checkout tracking constraints.
• Competency with BigQuery, writing SQL to validate, transform and reconcile raw event‑level data from the GA4 BigQuery export schema.
• Elite debugging skills using GA Debugger, Tag Assistant and Chrome DevTools to root‑cause tracking gaps.
• Exceptional stakeholder management skills, explaining technical tracking, privacy and attribution concepts simply to commercial and marketing teams.
• Bonus points: Familiarity with HTML/CSS, front‑end development practices, or exposure to Looker and advanced data visualisation tools.

Benefits:

• A competitive salary of £60‑75k pa plus annual bonus opportunity.
• Personal Healthcare.
• 26 days holiday and bank holidays (with flexible buy/sell options).
• A £300 annual personal development budget.
• £450 every year to treat yourself to wines.
• Paid leave to volunteer and wellbeing support.
• Enhanced parental leave and surprise gifts, including Naked Wine.

Equal Opportunities: At Naked Wines we recognise the value of diversity and inclusivity in fostering a truly remarkable experience for all our winemakers and customers. We are dedicated to ensuring all employees are treated fairly and equitably, and encourage applications from individuals of disadvantaged backgrounds, disabled persons, LGBTQ+ community members, Black, Asian and minority ethnic backgrounds, and those with lived experiences of discrimination. We are committed to providing reasonable adjustments throughout the recruitment process.