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Senior Mobile AdTech Developer

Refinery89Madrid, Comunidad de Madrid, España

Hace 2 días

Descripción del trabajo

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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!

Seniority level

Not Applicable

Employment type

Full-time

Job function

Engineering and Information Technology

Industries

Advertising Services

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Senior Developer • Madrid, Comunidad de Madrid, España