Senior Software Engineer - SDK

Moloco•Seattle, CA

5d•Onsite

About The Position

Moloco is a company that builds advanced AI advertising solutions. The Senior Software Engineer - SDK role involves building Moloco's mobile Ads SDK, which enables publishers (app developers) to monetize their mobile applications. This work will directly impact Moloco's revenue and is highly cross-functional, involving client SDK, backend integrations, and cross-platform tooling. The role may involve direct customer interaction and collaboration with internal engineering teams.

Requirements

Bachelor's degree or above in Computer Science or an equivalent technical degree
5+ years of experience as a software engineer, including strong experience with iOS
Proficiency in Swift and/or Objective oriented programming
Expert-level understanding of multithreading and networking
Understanding of the internals of iOS, compilers, and optimization for lower-power devices
Full-stack curiosity — comfortable working across client, server, and tooling layers, not just native UI code
Experience with agile methodologies and high-level design principles
A passion for mobile platforms, and staying up-to-date with the latest platform developments

Nice To Haves

Experience with Android development (Kotlin/Java) or cross-platform frameworks (React Native, Flutter, Kotlin Multiplatform) — dual iOS/Android fluency is a strong plus
Experience building and distributing Cocoapods, Carthage, and/or Swift Package Manager libraries
Experience publishing apps to the App Store and/or Google Play
Experience with MRAID and/or VAST
Experience building and distributing React Native and/or Unity plugins
Backend or full-stack experience is a plus

Responsibilities

Design, architect, and build a state-of-the-art Ads SDK for Moloco's supported platforms.
Keep up to date with the latest iOS updates, and maintain the SDK.
Follow and lead technology evolution and requirements across prominent app platforms, contributing to shared logic and architecture decisions that span iOS and Android.
Partner with backend and infrastructure teams on the APIs, telemetry, and services that power the SDK end-to-end.
Help customers with SDK integrations in various ways, including maintaining customer-facing SDK documentation.
Help grow our team by providing valuable feedback and by mentoring junior engineers.
Work with cross-platform teams located across our global offices including Seattle, Seoul, London, Beijing, and San Francisco to come up with new features and functionality for our customers.