M
Moloco
Senior Software Engineer (SDK)
Skills
KotlinSwiftReactIOSJavaFlutterReact Native
14 days ago
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Important information
Contract type:
Permanent
Salary:
$188,000 – $235,000 / year
Location:
United States
Work mode:
Onsite
Published on:
8 October 2026
What they need
- You will be building Moloco’s mobile Ads SDK that enables publishers (app developers) to monetize their mobile applications. Your work will make a direct impact on Moloco’s revenue
- This role is highly cross-functional, spanning client SDK, backend integrations, and cross-platform tooling. You may work directly with external customers and collaborate closely with our engineering teams
- 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- Bachelor’s degree or above in Computer Science or an equivalent technical degree
- Understanding of the internals of iOS, compilers, and optimization for lower-power devices
- Proficiency in Swift and/or Objective oriented programming
- Full-stack curiosity — comfortable working across client, server, and tooling layers, not just native UI code
- 5+ years of experience as a software engineer, including strong experience with iOS
- Expert-level understanding of multithreading and networking
- Experience with agile methodologies and high-level design principles
- A passion for mobile platforms, and staying up-to-date with the latest platform developments
- Experience building and distributing Cocoapods, Carthage, and/or Swift Package Manager libraries
- Experience with Android development (Kotlin/Java) or cross-platform frameworks (React Native, Flutter, Kotlin Multiplatform) — dual iOS/Android fluency is a strong plus
- 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
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