
Maria Rosareo
Stop Burning Money on Ads Scale Your Brand Scientifically
Skills

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Portfolio
Werkervaring
Lead Performance Marketer & Media Buyer
Nexus • Fulltime
May 2024 - Present • 2 yrs 3 mos
Responsible for designing and executing multi-channel advertising strategies (Meta & Google Ads) for international Shopify stores. Managing monthly ad budgets and developing creative testing funnels to ensure consistent sales growth. Achievements: 3.8x Average ROAS: Successfully increased the Return on Ad Spend (ROAS) of a US-based clothing brand from 1.8x to 3.8x. Budget Scaling: Scaled a client’s monthly ad spend from $2,000 to $12,000 while maintaining a profitable conversion rate.
Digital Marketing & Lead Generation Specialist
Vertexo • Fulltime
Apr 2022 - Dec 2023 • 1 yr 8 mos
Developed and managed high-quality lead generation campaigns for real estate agencies and B2B companies. Conducted rigorous A/B testing on Facebook instant forms and landing pages to filter out low-intent leads. Achievements: 2,500+ Qualified Leads: Generated over 2,500 verified, high-converting leads for real estate clients across the Gulf and UK regions. 35% CPA Reduction: Reduced the average Cost Per Acquisition (CPA) by 35% through detailed audience research and demographic targeting.
Performance Marketing & Technical Specialist
ApexStore.pk • Freelance
Feb 2021 - May 2022 • 1 yr 3 mos
Focused on diagnosing and fixing data tracking errors within client ad accounts. Implemented advanced server-side tracking solutions to resolve missing data issues caused by the iOS 14+ privacy updates. Achievements: 100% Tracking Accuracy: Successfully configured Facebook Conversions API (CAPI) for over 20 e-commerce stores, resulting in flawless data attribution. Lookalike Audience Success: Utilized first-party purchase data to build high-converting Lookalike Audiences, boosting repeat customer sales by 20%.