The Challenge
Mars Wrigley is scaling M&M'S.COM across Europe—you'll own real digital acquisition campaigns driving revenue on the iconic personalization platform. This isn't coffee-fetching; you'll report to the Performance Marketing Manager and execute SEO, paid media, and creative briefs across 10+ European markets.
Your Mission
Audit and optimize mms.com SEO and paid search performance across 3-4 core European markets; identify low-hanging keyword/bid optimization opportunities
Develop and deliver 8-12 precise creative briefs to partner agencies, ensuring on-brand, localized ad creative for Google Ads and Meta campaigns
Collaborate with media agencies to launch and monitor first major paid media campaigns; track ROAS, CPC, and conversion metrics weekly
Onboard fully into the M&M'S digital marketing calendar and tools; document current campaign performance baseline
Drive measurable revenue growth on mms.com across European markets via optimized SEO and paid media; target 15-20% quarter-over-quarter ROAS improvement
Manage end-to-end brief pipeline for creative and translation agencies; reduce brief-to-launch cycle time by 30%
Execute and optimize retargeting campaigns; analyze user journey data to improve conversion funnel by 10%+
Present monthly performance dashboard to stakeholders covering SEO rankings, paid spend ROI, conversion rates, and market-specific insights
KPIs You'll Own
ROAS (Return on Ad Spend)
Track revenue generated per euro spent on Google Ads, Meta, and retargeting campaigns across all markets
Organic Traffic & Rankings
Monitor mms.com search visibility and keyword ranking improvements across 10+ European markets
Conversion Rate (eCommerce)
Measure percentage of website visitors completing M&M'S personalization purchases
Cost Per Acquisition (CPA)
Calculate blended acquisition cost across all digital channels and optimize toward target
Creative Brief Turnaround
Track time from brief creation to agency delivery to campaign launch; target sub-2-week cycles
Tools & Stack
Your Team
Your Manager
Performance Marketing Manager
Current Team
Digital Europe Growth team supporting M&M'S.COM across 10+ European markets
Backfill/expansion role; internship position
The Package
Salary
€1,200-€1,350/month gross (BAC+4 to BAC+5)
Remote
On-site in Haguenau, Grand Est, France (6-month full-time internship, July 2026 start)
Benefits & Perks
Company Intelligence
Mars is a 100+-year-old family-owned company operating in 80+ countries with iconic brands like M&M's, Snickers, Royal Canin, and Pedigree. Guided by 5 core principles—Quality, Responsibility, Mutuality, Efficiency, and Freedom—Mars combines scale with entrepreneurial culture and a focus on positive world impact.
Customers
Millions of consumers and pet owners globally; M&M'S personalization platform serves multiple European markets
Culture
Multinational, ambitious, transparent. You're treated as an associate with real autonomy. Encouraged to propose ideas, challenge the status quo, and own outcomes. Strong internal mobility—most junior roles filled from talent pipeline.
Is This Role For You?
- You're obsessed with digital acquisition metrics and want hands-on experience with Google Ads, Meta, SEO, and retargeting
- You thrive in cross-functional environments; you can brief agencies, track campaign performance, and communicate insights to stakeholders
- You speak English + at least one other European language (given multi-market scope)
- You want a genuine internship with real P&L impact and a clear path into Mars' junior talent network
- You're looking for remote flexibility—this is full-time on-site in Haguenau
- You prefer hands-off mentorship or want to work solo; you'll be closely embedded in a team reporting to a Performance Manager
- You're not comfortable with ambiguity in creative briefs or iterative campaign optimization; this role demands precision and adaptability
Interview Process
Application Review
CV, cover letter, and portfolio of marketing projects or campaigns
Phone/Video Screen
Hiring manager or recruiter assesses motivation, marketing knowledge, and fluency in tools (Google Ads, Analytics)
Case Study or Test
Likely a brief analysis or optimization challenge (e.g., review a sample campaign, propose SEO improvements)
Team Interview
Meet Performance Marketing Manager and potentially cross-functional partners (media agency liaisons, creative leads)
Offer & Onboarding
Confirmation of July 2026 start date, benefits, and assignment to specific European markets
Interested in this role?
Apply now and hear back within days, not weeks.
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About Growth Marketing Roles
Growth marketers drive user acquisition, activation, and retention through data-driven experimentation. They sit at the intersection of product, data, and marketing — running A/B tests, building funnels, and scaling what works.