Smadex is a cutting-edge ad-tech company: we process more than
4.5 million ad requests per second
, replying in
under 100ms
. Every day, we generate several TBs of data that need to be processed, analyzed, and aggregated so that our real-time components get smarter every day.
?
This is a full-time hybrid position based in Barcelona.
As a pivotal
iOS SDK Developer
, you'll be instrumental in transforming our foundational SDK prototype into a robust, market-ready product. This new SDK is strategically vital, designed to expand the functionality and provide critical insights into the supply chain of our pre-established and robust DSP.
This is a full-time, hands-on role where you'll join an established iOS team. You'll own the development of the iOS SDK, focusing on completing core functionalities, architecting for optimal performance, and building out essential features. Your work will directly define the future and quality of our mobile ecosystem, working in close alignment with our Android SDK development to ensure a unified product experience.
The Opportunity
Collaborate in the design and full-lifecycle development of our new iOS Ads SDK.
Proactively drive performance optimization, quality enhancements, and robust testing for the SDK.
Stay at the forefront of iOS advancements, integrating latest platform capabilities and industry best practices.
Ensure seamless integration of the SDK with the broader Smadex platform through close collaboration with cross-functional teams.
Champion code quality, actively participating in rigorous code reviews, comprehensive testing, and effective debugging processes.




Requirements and Qualifications
5+ years
of professional iOS development experience.
Expertise in
Swift
Good understanding of multithreading, networking, and iOS internals.
Deep knowledge of
XCFramework
distribution and dependency managers (SPM, CocoaPods).
Familiarity with performance optimization, debugging, and mobile development best practices.
Strong communication and collaboration skills, with a willingness to learn and contribute to team knowledge.
A genuine passion for mobile technology, staying updated with the latest advancements, and contributing to the iOS ecosystem.
Bonus Points
Experience with mobile advertising technologies such as MRAID and VAST.
Deep understanding of
Objective-C interoperability
.
Experience with SkadNetwork
Knowledge of building and distributing iOS libraries or SDKs.
Familiarity with Unity plugins for iOS.
Please note that we do NOT provide VISA sponsorship. Candidates without a legal permit to work in Spain won't be considered.
What's in it for you
Integrate a highly motivated and young team.
Great compensation package.
Top location at the heart of Barcelona in a penthouse office with a rooftop terrace, barbeque, and a fully stocked fridge.
Work from home: 2 days/week
Private Health Insurance
Access to LinkedIn Learning
Meal vouchers - Tickets Restaurant monthly allowance.
Monthly gym allowance: Choose between DiR Gym and Wellhub
Monthly TGIF events.
Regular team-building events.
Fun and friendly work environment with talented marketers and engineers from over 40+ countries
And more

📌 Senior Ios Developer (Laza)
🏢 Smadex Slu
📍 Laza