Android Developer

Smadex Slu

Barcelona💼 Full-time🗓 2026-04-28 → 2026-08-06

Core

Building a high-performance advertising SDK for real-time ad processing and analytics.

Role type

Android Developer (SDK focus)

Builds

Android advertising SDK

Domain

Ad-tech / Mobile

Deliverable

product features

Required skills

Kotlin, Java, Android development, RESTful APIs, unit testing, debugging, code reviews

Preferred skills

Android SDK library maintenance, multithreading, iOS development, JUnit, Mockito/Mockk

Technologies

Kotlin, Java, Android, RESTful APIs, JUnit, Mockito, Mockk

Responsibilities

Write clean, maintainable, and proof-tested Java and Kotlin code for the Android SDK; migrate existing Java prototype to Kotlin; implement new features and fix bugs; collaborate with SDK, iOS, and backend teams; participate in feature definitions and code reviews.

Seniority

Mid-level, hands-on IC

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