Sales Manager – Supply Partnerships, Europe

About the Company

We are helping our client, a global mobile advertising and data platform, find a Sales Manager – Supply Partnerships to join their growing European operations. The company operates a sell-side advertising technology platform that connects mobile publishers and app developers with advertisers, using AI-driven audience targeting and real-time data to power a integral programmatic advertising ecosystem.

With direct integrations across thousands of publishers worldwide and a strong presence in the mobile advertising space, the company is now expanding its supply partnerships team into Europe, with this role marking its first dedicated hire for the region.

About the Role

In this role, you will be responsible for growing the company's publisher supply base across the broader European market, working across in-app, mobile web, and web environments, with a particular early focus on the mobile gaming vertical.

You will own the full sales cycle — from identifying and prospecting new publisher and app developer partners, through pitching, negotiating, and closing deals, to handing off signed partners to the account management team for long-term relationship management.

This is a hunter role at the center of the company's supply growth strategy in the region.

Responsibilities

- Own the full business development cycle for new publisher partnerships: identify, prospect, pitch, negotiate, and close strategic publisher and app developer deals
- Build and execute a territory strategy to grow the company's supply footprint, identifying whitespace and prioritizing verticals
- Engage stakeholders at every level throughout the sales cycle — from developers and monetization teams to senior decision-makers
- Manage commercial negotiations, agreements, and onboarding, collaborating with Product, Ad Operations, Legal,



and Account Management to ensure a smooth handoff and long-term partner success
- Maintain an accurate pipeline of opportunities in Salesforce, with regular forecasting and deal progress reporting
- Conduct research and data analysis to build tailored pitches and identify revenue growth opportunities within target publishers
- Stay current on market trends in mobile advertising, including header bidding, mediation, SDK monetization, and the broader programmatic supply ecosystem
- Represent the company at industry conferences and networking events

Requirements

- MUST: 3+ years of experience in supply sales, business development, or publisher development within adtech, mobile advertising, or app monetization
- MUST: Strong understanding of the mobile advertising ecosystem, including SDK monetization, mediation platforms, and programmatic advertising
- MUST: Existing relationships with app developers, publishers, or mobile advertising stakeholders
- MUST: Fluency in English
- Proven track record of consistently meeting or exceeding sales targets in a quota-carrying role
- Strong commercial and negotiation skills, with the ability to navigate legal and commercial discussions independently
- Experience managing sales pipelines through Salesforce or a similar CRM platform
- Additional European languages are a plus

What the Company Offers

- Competitive base salary with a quarterly performance-based commission structure
- The opportunity to build and lead publisher growth strategy in a new market as part of a global mobile advertising platform
- Benefits package including wellness support and private health insurance

Core Skills:

- Supply-side sales / business development (adtech, mobile advertising, or app monetization)
- Publisher / app developer relationship management
- SDK monetization
- Ad mediation platforms
- Programmatic advertising
- English fluency

📌 Sales Manager – Supply Partnerships, AdTech (Vitoria-Gasteiz)
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📍 Vitoria-Gasteiz