Duration: 3 months (immediate start)
IR35 Status: Outside IR35
Location: Fully Remote Working
We're supporting a rapidly scaling online marketplace in hiring a contract Performance Marketing Manager on a contract basis. This is a hands-on, specialist role focused on owning and optimising Google Shopping & PMax performance at scale across a large, complex product catalogue.
This is a high-impact, hands-on role for a true specialist in Google Shopping and PMax, operating at serious scale across millions of SKUs. This is not a strategy position, you'll be deep in the detail, owning performance end-to-end
Key Responsibilities
Own Shopping & PMax Architecture
Design and manage full campaign structures (tiers, priorities, listing groups)
Build scalable frameworks across large SKU catalogues (100K-1M+)
Control PMax vs Standard Shopping interplay for optimal performance
Implement advanced segmentation using feed-driven logic and custom labels
Feed, Merchant Centre & Data Integrity
Own Merchant Centre health: diagnostics, disapproval's, feed rules
Translate commercial inputs (margin, seller quality, pricing) into feed logic
Build robust labelling systems to drive performance segmentation
Performance Optimisation
Optimise towards incremental revenue and contribution
Leverage SKU-level economics, propensity modelling, and performance cohorts
Lead daily trading decisions - spotting issues and deploying fixes fast
Efficiency & Scale
Reduce wastage across queries, budgets, and low-value SKUs
Maintain campaign health across complex, high-volume structures
Implement scalable automation and optimisation frameworks
Technical & Tracking Ownership
Own conversion tracking integrity (GTM, server-side, attribution)
Partner with Data/BI teams on performance logic and automation
Ensure all changes are measurable, testable, and repeatable
Essential Skills
Deep, hands-on expertise in Google Shopping & PMax
Strong Merchant Centre and feed optimisation experience
Proven experience managing large-scale product catalogues (100K+ SKUs)
Track record in profit/contribution-based optimisation (not just ROAS)
Advanced understanding of:
Campaign architecture & segmentation
Feed tools (e.g. Channable, DataFeedWatch, etc.)
SKU-level bidding & performance control
Highly analytical with a test-and-learn mindset
If you're a technical performance marketing specialist available at short notice, please apply for the role with a latest copy of your CV for immediate consideration.
Spectrum IT Recruitment (South) Limited is acting as an Employment Business in relation to this vacancy.