Senior Performance Marketing Manager

The KILLSTAR brand-universe is an invitation for people to explore, discover, and become who they are. We help affirm this invitation by creating an inclusive, supportive environment where our team members are embraced exactly as they are.

We are looking for a commercially driven Performance Marketing leader who thrives on using data, experimentation, and customer insight to drive profitable growth. You'll be equally comfortable setting strategy and rolling up your sleeves to optimise campaigns in a fast-moving ecommerce environment.

Based at our Brighton HQ and reporting to the Senior Brand Marketing Manager, you'll lead our performance marketing strategy across paid acquisition channels, working cross-functionally to grow our community, acquire high-value customers, and maximise return on marketing investment. You'll play a key role in shaping the future of digital growth at KILLSTAR while fostering a culture of high performance, curiosity, and continuous improvement.

WHAT YOU’LL DO

• Lead Performance Marketing Strategy: Own the strategy across Paid Social, Paid Search, SEO, Affiliates, and emerging acquisition channels, balancing short-term revenue targets with long-term customer growth.
• Own Marketing Performance: Be accountable for customer acquisition, ROAS, CAC, MER, Customer Lifetime Value (CLV), contribution, and overall channel performance, continually identifying opportunities to improve efficiency and profitability.
• Budget Ownership: Manage acquisition budgets across all paid channels, making commercial decisions based on performance data and return on investment.
• Campaign Execution & Optimisation: Manage, execute, and continuously optimise campaigns across Paid Social, Paid Search, Affiliates, and other acquisition channels, delivering regular insight and recommendations to improve commercial performance.
• Lead a Test & Learn Culture: Build a structured experimentation roadmap across creative, audiences, landing pages, bidding strategies, and channel mix, ensuring insights are documented and shared.
• Collaborate with Social Platforms: Engage directly with social networks to leverage platform capabilities, test new campaign ideas, and explore opportunities for growth.
• Stakeholder Engagement: Regularly communicate with internal teams to align on objectives, strategy opportunities, and overall marketing performance.
• Lead Digital Integration: Work with other team leads to align SEO, Paid Search, and Paid Social strategies, ensuring cohesive digital marketing initiatives.
• Training and Transition: Oversee the transition of Paid Social campaign management to the Social Team, offering guidance and training for a smooth handover.
• Mentorship & Innovation: Mentor junior team members, foster a culture of continuous learning, and stay ahead of industry trends to ensure digital marketing innovation.
• Own Affiliate Growth: Launch and scale our affiliate programme, building relationships with leading publishers and continually optimising performance.
• Performance Tracking & Reporting: Monitor and analyse key digital marketing metrics across all channels, driving data-driven optimisations and refinements to achieve the best possible results.
• Leverage AI & Automation: Use AI tools to improve reporting, campaign optimisation, audience analysis, and workflow efficiency, continually identifying opportunities to work smarter.

WHO YOU ARE

• Digital Marketing Expert: Strong technical expertise across Display, Affiliates, Paid Search, Paid Social and SEO, with a proven track record of hands-on channel management.
• Commercially Driven: You naturally think about profit, customer lifetime value, and commercial outcomes, using data to inform every decision.
• Resilient: You enjoy working in a fast-paced environment, adapt quickly to changing priorities, and remain calm under pressure.
• An Agile Learner: Quickly adapt to changes, learn from challenges, and approach new opportunities with an open mindset.
• Process-Oriented: Capable of managing multiple projects with clear goals and measurable outcomes, ensuring smooth and effective execution.
• Analytical & Creative: Bring both a data-driven approach and innovative ideas to solving challenges and driving campaign success.
• Strong Communicator: Effectively communicate and present digital strategies to both internal teams and external stakeholders.
• Cross-Functional Collaborator: Work closely with Ecommerce, CRM, Creative, and Merchandising teams to ensure acquisition activity aligns with trading priorities, product launches, and commercial targets.
• Skilled Negotiator: Navigate tough discussions, resolve conflicts while maintaining positive relationships, and secure valuable outcomes for the business.
• Naturally Curious: You constantly question performance, challenge assumptions, and look for new opportunities to improve.

Industry Connected: Maintain established contacts and relationships within the digital marketing industry to stay on top of trends and innovations.

YOUR EXPERIENCE INCLUDES

• 3+ years' experience leading performance marketing across multiple acquisition channels within an ecommerce business.
• Demonstrable ownership of performance marketing across Paid Social, Paid Search, SEO, and Affiliate Marketing, with direct responsibility for commercial performance and budget management.
• Experience managing six-figure-plus annual marketing budgets.
• Strong proficiency in reporting, dashboard development, and maintenance.
• Robust understanding of GA4, attribution modelling, and incrementality.
• Experience working with Shopify or another leading global ecommerce platform.
• Experience working closely with CRM and Ecommerce teams.

BONUS IF YOU HAVE

• Operated internationally across multiple markets.
• Experience with online fashion, specifically alternative fashion and lifestyle subcultures.
• Utilized AI tools to improve campaign management, reporting, and workflow efficiency.
• Experience working closely with creative teams to develop high-performing paid social assets.
• People management experience.

WORK HOURS & LOCATION

This role will be based at our Brighton Studio, United Kingdom, on a hybrid working arrangement (a minimum of 3 days per week in the office, and 2 days working from home).

This is a full-time position of 37.5 hours per week, with hours worked between 08:00am – 06:00pm, Monday through Friday.

DOES THIS SOUND LIKE YOU?

KILLSTAR is committed to a world where what makes us different makes us strong. We are a proud equal opportunity employer, and we back that up with a “come as you are” culture that is welcoming, inclusive, and safe. If you can see yourself being successful and excited in this role, we want to hear from you.

All qualified applicants will receive consideration for employment without regards to race, colour, religion, sex, sexual orientation, gender identity, national origin, disability status, protected veteran status or any other basis prohibited by law.