Senior iOS Developer (Mobile)

TL;DR

Senior iOS Developer (Mobile): Building and maintaining production-ready iOS SDKs and frameworks for mobile app monetization with an accent on ad tech integrations, performance optimization, and robust concurrency patterns. Focus on solving complex ad mediation flows, ensuring privacy compliance, and debugging performance bottlenecks in a multi-SDK environment.

Location: Remote (globally distributed team)

Company

hirify.global is a US-based product company leading in mobile app monetization with a truly global presence.

What you will do

• Develop and maintain production-ready iOS SDKs or frameworks.
• Integrate major ad SDKs and optimize ad tech performance.
• Design and implement resilient networking and concurrency patterns.
• Ensure privacy compliance (ATT, SKAdNetwork, GDPR, COPPA) and handle install attribution flows.
• Debug crashes, concurrency issues, deadlocks, and performance bottlenecks.
• Write automated tests for SDKs and contribute to CI/CD for iOS frameworks.

Requirements

• 5+ years of professional iOS development experience.
• 3+ years of hands-on Swift experience in production environments.
• Strong understanding of iOS internals (runtime, memory management, threading, rendering pipeline).
• Experience building and maintaining production-ready SDKs or frameworks (CocoaPods, SPM, xcframeworks).
• Proficiency with modularization, build systems, versioning, and obfuscation tools.
• Production experience integrating major ad SDKs (AdMob, AppLovin MAX, IronSource, UnityAds, Vungle, etc.).
• Proficiency with concurrency patterns like GCD, OperationQueue, and Swift Concurrency (async/await, actors).
• Experience writing automated tests for SDKs (unit, integration, functional).

Nice to have

• Experience building Unity / Flutter / React Native bridges.

Culture & Benefits

• Focus on continuous learning and personal growth.
• Opportunity to make an impact on the mobile app industry.
• Work on exciting challenges with a team of world-class professionals and mentors.
• Join a dynamic, internationally dispersed team united by a common mission.