Junior iOS Developer

Smadex

  • Barcelona
  • Permanente
  • Tiempo completo
  • Hace 8 días
  • Solicite fácilmente
Smadex is a cutting-edge ad-tech company: we process more than 4 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 everyday. If you’re passionate about building high-performance mobile solutions and thrive in a fast-paced, challenging environment, we want to hear from you!This is a full-time hybrid position based in Barcelona.We are looking for a Junior iOS Developer to work under the guidance of our Senior iOS Developer, and contribute to transforming our new advertising SDK from a prototype into a robust, high-performance product. This role is perfect for someone early in their career who wants to gain real-world experience, mentorship, and grow into a strong iOS engineer.The Opportunity
  • Learn and apply best practices in writing clean, maintainable, and well-tested Swift code.
  • Work together with the Senior iOS Developer to implement new features and core functionalities.
  • Gain hands-on experience identifying, debugging, and resolving issues in a real-world product.
  • Participate in code reviews and learn from constructive feedback.
  • Work closely with both iOS SDK and backend teams, building a solid foundation in cross-team collaboration.
Requirements and Qualifications
  • Hands-on experience with iOS development (personal projects, coursework, or internships).
  • Basic knowledge of Swift programming.
  • Curiosity about how mobile apps communicate with RESTful APIs.
  • A strong desire to learn, proactive attitude, and problem-solving mindset.
  • Good communication skills and team spirit.
  • Genuine passion for mobile technology and eagerness to grow as an iOS developer.
Bonus Points
  • Experience building or maintaining an iOS library/SDK.
  • Experience with UIKit.
  • Familiarity with multithreading concepts on iOS.
  • Experience with performance profiling and debugging using Xcode Instruments.
  • Experience with unit testing (XCTest) or UI testing frameworks.
  • Personal projects on GitHub or the App Store that you can share with us.
  • Familiarity with Android development is a plus.
Please note we do NOT provide VISA sponsorship. Candidates without a legal permit to work in Spain will not be considered.What’s in it for you
  • Integrate a highly motivated and young team.
  • Great compensation package.
  • Top location in the heart of Barcelona with a rooftop terrace, barbecue, and a fully stocked fridge.
  • Great work-life balance: work from home (2 days per week), flexible hours.
  • LinkedIn Learning and training opportunities.
  • Meal vouchers - Ticket Restaurant monthly allowance.
  • Monthly gym allowance to use in up to 30 DIR gyms around the city.
  • Monthly TGIF events and regular team-building activities.
  • Fun and friendly work environment with talented marketers and engineers from over 40 countries.
If you want to know more about us visit our website , and for a sneak peek of the cool stuff we build, check this out!Powered by JazzHR

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