Growth Marketing Manager

Mous

. Own execution across Meta, Google Search, PMax, Demand Gen and Amazon, including campaign builds, launches and day-to-day management .

Posted 10/23/2026full-timeLondon • United KingdomJuniorMid-LevelWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in managing and optimizing paid media campaigns across Meta, Google, and Amazon, with a strong focus on performance metrics analysis and actionable insights. Proven ability to mentor junior team members while effectively communicating with senior stakeholders.

Highest-signal resume keywords

Paid Media Campaign ManagementMeta AdvertisingGoogle AdvertisingPerformance Metrics AnalysisA/B Testing

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Campaign OptimizationExcel SkillsGoogle Sheets SkillsROAS AnalysisCPA AnalysisCVR AnalysisAOV AnalysisCAC Analysis

Soft Skills

Clear CommunicationOwnershipSolutions-Focused Decision-Making

Tools & Technologies

Amazon AdvertisingShopifyGA4Power BI

Industry Keywords

DTCEcommerceConsumer TechDTC-Specialist Agency

About the role

Key responsibilities & impact

Own execution across Meta, Google Search, PMax, Demand Gen and Amazon, including campaign builds, launches and day-to-day management
Plan and deliver campaign activity for new product launches and sale events
Work with the Senior Growth Marketing Manager on strategy and channel approach
Manage, mentor and train the Junior Growth Executive
Own reporting across paid media channels and provide actionable updates to senior stakeholders
Identify and implement optimisation opportunities across campaigns, audiences, bidding and creative
Support budget allocation and pacing across channels to hit ROAS targets
Plan and run A/B tests across ad creative, copy and landing pages with Creative and Web/Ecom teams
Analyse performance metrics and turn insights into action
Take full ownership of Meta, Google and Amazon within the first quarter without a performance dip
Establish a reliable reporting cadence and develop the Junior Growth Executive toward independent day-to-day activity

Requirements

What you’ll need

2–4 years’ hands-on experience running paid media campaigns across Meta and Google (Search, PMax and Demand Gen)
Amazon Advertising experience preferred but not essential
Proven experience building and optimising campaigns end to end
Strong Excel/Google Sheets skills
Experience analysing ROAS, CPA, CVR, AOV and CAC and turning them into clear recommendations
Clear communication skills across junior coaching and senior stakeholder updates
Ability to take ownership at pace
Ability to manage performance across multiple markets and currencies
Solutions-focused decision-making without constant direction
Amazon Advertising, Shopify, GA4, Power BI or similar reporting tools are nice to have
Prior experience formally managing or mentoring someone junior is a plus
Background in a DTC, ecommerce/consumer tech brand, or DTC-specialist agency is a plus
Familiarity with A/B testing for creative or landing pages is a plus

Benefits

Comp & perks

Significant opportunity for growth, ownership, and career progression
Competitive salary reflective of experience and impact
30% Friends & Family discount on all Mous products
25 days’ holiday + 8 bank holidays
1 month paid leave after 5 years’ service
Cycle to Work Scheme
Electric Car Scheme
Employee Assistance Programme (EAP): access to confidential wellbeing support, advice, and resources whenever you need it
Charlie HR perks and discounts
Regular socials, events, and on-site activities, including an on-site gym
Hybrid working model