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Media Buyer

Remote / Online - Candidates ideally in
Detroit, Wayne County, Michigan, 48228, USA
Listing for: Oberstaff
Full Time, Remote/Work from Home position
Listed on 2026-01-04
Job specializations:
  • Marketing / Advertising / PR
    Digital Marketing, Social Media Marketing
Job Description & How to Apply Below

Job Opportunity at Las Cosmonautas S.L.

This is a remote job position.

At Oberstaff, we hire highly qualified professionals in Latin America and assign them to work remotely full-time with companies worldwide. Our selection process guarantees specialized talent aligned with the needs of each business, allowing our clients to strengthen their teams with efficient, committed, and prepared professionals to drive their growth.

Our client, a marketing and advertising agency with over five years in the Spanish market, has requested a Media Buyer to manage advertising campaigns.

Are you a digital campaign expert with a knack for optimization and understanding the power behind data? At Las Cosmonautas S.L., we are looking for a creative and strategic mind that dominates digital channels and helps us achieve even more conversions.

Job Functions
  • Configure advertising campaigns :
    Create ads, define budgets, establish segmentations, and schedule posts.
  • Optimize campaigns in real time :
    Conduct A / B tests, adjust creatives, modify segmentations, and redistribute budgets based on performance.
  • Manage conversion funnels :
    Coordinate campaigns from the discovery phase to conversion and remarketing.
  • Monitor key metrics : ROAS, CTR, CPA, conversion rate, frequency, impressions, etc.
  • Generate performance reports :
    Present results to management and clients with recommendations for scaling or adjusting campaigns.
  • Coordinate with designers and copywriters :
    Ensure ads are consistent with the brand's visual identity and narrative.
  • Negotiate with media providers :
    Seek premium placements, competitive rates, and external collaboration opportunities.
  • Research advertising trends :
    Stay updated on changes in algorithms, new formats, and emerging platforms.
  • Propose new creative ideas :
    Suggest disruptive campaigns, collaborations, or innovative formats that connect with the audience.
Requirements
  • Availability to work Monday to Friday from 11 : 00am to 08 : 00pm, with a one-hour break, in Spain. Internet connection of 100 mbps.
  • Graduate professional with a specialty in Marketing, Advertising, Marketing, Graphic Design, or related fields.
  • Previous experience in digital marketing, social media, and management of display advertising campaigns, marketing, search.
  • Deep knowledge or certifications of Google ADS, Google Analytics, Meta ADS, Tik Tok ADS, SEMrush, Data Studio, Tag Manager, Canva, Trello.
  • Basic use of Word Press and other web technologies to install everything necessary for the good performance of campaigns.
  • Previous experience with E-commerce, Infoproducts, and Services (Lead Generation).
  • Ability to analyze metrics and generate actionable reports. Experience in campaign optimization.
  • Creativity, proactivity, and passion for digital trends.
  • High level of organization, ability to work in a team, and focus on results.
Advantages
  • Totally remote schedule.
  • Independence of location.
  • Professional services contract (independent contractor) with fixed monthly pay.
  • Pay in USD via Pay Pal.
  • Join a company in constant growth, with an excellent work environment, professional development opportunities.
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