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Jana-Sophie LeissJL

Jana-Sophie Leiss

Programmatic Specialist | Media Strategy

€750/day
Marburg, DE
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Jana-Sophie

I am an experienced Programmatic Specialist with a focus on fashion, e-commerce, and hospitality brands, and I have successfully implemented data-driven full-funnel strategies for sustainable scaling. During my time at Precis Digital in London, I managed international clients such as HBO Max, COS, ARKET, and the Edyn Group, overseeing campaigns in key markets like the UK, DACH, France, the Netherlands, the USA, and Scandinavia. My innovative approach – from new platform betas and automated bidding scripts to modern advertising formats – significantly contributed to performance improvements and led to a nomination for a The Drum Award alongside my team. Additionally, I gained experience in training, mentoring, and pitch support, bringing both operational strength and strategic thinking to every project.
  • German

    Native or bilingual

  • English

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • Precis Digital
    Programmatic Specialist
    January 2022 - January 2025 (3 years)
    London, UK
    • Leading & managing a portfolio of programmatic clients in e-commerce & hospitality by ensuring long-term strategic growth with a focus on branding & upper-funnel marketing evaluation
    • High level of innovation by implementing the latest platform alphas & betas, custom bidding scripts, new & emerging formats and evaluation tools
    • Media Planning & Strategy for campaigns within Europe and beyond
    • Campaign execution, reporting & advanced optimisation based on client goals
    • External and internal cross-office upskilling as well as onboarding, mentoring and managing of (junior) specialists
    • Increasing commercial value for Precis London by supporting pitches & developing publisher relationships.
    • Key markets: The UK, DACH Region, France, Netherlands, the US, the Nordics
    • Client Portfolio: HBO Max, H&M Portfolio Brands (COS & ARKET), Edyn Group (Locke & Cove Hotels)
    Programmatic Advertising Media Strategy Campaign Management DV360 Google Analytics
  • Makokola Retreat
    Management Intern
    February 2020 - May 2020 (3 months)
    Mangochi, Malawi
    • Reservations: Coordinate closely with clients & supervisors to manage guest bookings using Opera, ensuring all requests were met.
    • Marketing: Designing engaging marketing materials for website redesign, including promotional content, brochures and in-room directories using Canva
    • Front Office: Provided assistance to ensure smooth daily operations.
  • SKR Reisen GmbH
    Assistant Product Manager
    January 2019 - August 2019 (7 months)
    Cologne, Germany
    • Product management: Conducted competitor analyses, developed tour descriptions for new catalogue, analysed booking data using WBS Blank to inform strategic decisions
    • Operations & Quality management: Close communication with stakeholders to ensure expected tour quality is met. Interviewed prospective guides.
    Product management Operations Management Tourismus

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Education

  • Abitur (A-Levels)
    Martin-Luther Schule
    2015
    Abitur (A-Levels)
  • Travelife Sustainability Management
    Travelife Sustainability Management

Skill set

Categories