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Senior Mobile AdTech Developer

Senior Mobile AdTech Developer

Refinery89Madrid, Comunidad de Madrid, España
Hace más de 30 días
Descripción del trabajo

Refinery89 is looking for a passionate and experienced Senior Mobile Developer to join our fast-growing Mobile team. If you’re excited about building scalable SDKs, integrating cutting-edge monetization tools, and helping shape the future of mobile AdTech — we’d love to meet you.

What You’ll Do :

  • Design, build, and maintain high-performance mobile SDKs for Android, iOS, and Unity environments.
  • Lead the integration of mediation platforms like Google AdMob, IronSource, and others to ensure top-tier monetization performance.
  • Work hands-on with Prebid Server to implement both client-side and server-side bidding solutions.
  • Ensure SDK scalability, stability, and performance across platforms through rigorous testing and optimization.
  • Collaborate closely with Product, AdOps, and Data teams to unlock revenue opportunities and fine-tune yield strategies.
  • Contribute to internal documentation, code reviews, and the continuous improvement of development practices.
  • Leverage GAM360 and other programmatic platforms to drive efficient ad delivery and revenue growth.
  • Stay current with emerging mobile AdTech trends and propose solutions that keep our SDKs ahead of the curve.

Who We’re Looking For :

  • Experienced Mobile Builder : 5+ years in mobile development with deep experience in Kotlin (Android), Swift (iOS), and Unity.
  • AdTech Native : Strong understanding of ad mediation, monetization strategies, and RTB environments.
  • SDK Specialist : Proven track record building and maintaining mobile SDKs at scale.
  • Prebid & Mediation Know-How : Hands-on experience with Prebid Server, AdMob, and / or IronSource.
  • Collaborative Developer : Comfortable working across teams and aligning technical solutions with business objectives.
  • Detail-Oriented Engineer : Clean code, strong documentation habits, and scalable design thinking.
  • Nice-to-Haves :

  • Experience with hybrid frameworks like React Native or Flutter.
  • Familiarity with analytics tools (e.g., Firebase, AppsFlyer, Adjust).
  • Exposure to CI / CD processes and mobile deployment pipelines.
  • Contributions to open-source projects or developer communities.
  • What You Can Expect from Us :

  • Competitive salary package based on experience and seniority.
  • Remote-first role with flexibility — work from anywhere.
  • Bonus structure tied to performance and impact.
  • Ownership and autonomy in building key products used across mobile platforms.
  • A feedback-driven, flat, and fast-paced team culture.
  • 24 holidays per year, your own equipment, and Friday half-days.
  • Annual team retreat and ongoing learning & development support.
  • Ready to build the future of mobile AdTech with us?

    Apply today and help us shape the next generation of monetization technologies!

    Senior Developer

  • Madrid, Community of Madrid, Spain
  • J-18808-Ljbffr

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    Mobile Developer • Madrid, Comunidad de Madrid, España