Senior iOS Developer

• 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, symbolication, and obfuscation tools;
• Ability to optimize startup time, memory usage, CPU load, and networking performance;
• Hands-on experience debugging crashes, concurrency issues, deadlocks, and performance bottlenecks.

Ad Tech & Integrations:

• Production experience integrating major ad SDKs (AdMob, AppLovin MAX, IronSource, UnityAds, Vungle, etc.);
• Understanding of waterfall mediation, bidding flows, and programmatic advertising fundamentals;
• Experience developing adapters/wrappers for multiple third-party ad networks;
• Familiarity with ATT, SKAdNetwork, IDFA/IDFV, and privacy compliance (GDPR, COPPA, Apple policies);
• Understanding of install attribution flows and StoreKit APIs;
• Understanding of RTB concepts, event-driven flows, and real-time processing on-device., * Strong experience with URLSession, HTTP clients, caching, and task scheduling;
• Proficiency with concurrency patterns: GCD, OperationQueue, Swift Concurrency (async/await, actors);
• Understanding of client-side auctions, retries, timeouts, and fallback logic;
• Experience designing resilient offline/online behavior and event batching;
• Objective-C, runtime swizzling, or mix-language SDK design.

Testing & Reliability:

• Experience writing automated tests for SDKs (unit, integration, functional);
• Knowledge of CI/CD for iOS frameworks, build automation, release pipelines;
• Ability to debug multi-SDK conflicts, inspect traffic, and analyze symbolicated crash reports;
• Strong focus on stability, backward compatibility, and deterministic behavior across iOS versions.

Cross-Platform & Tooling (Nice-to-Have):

• Experience building Unity / Flutter / React Native bridges.

With an outstanding product and a mission that excites and inspires, Appodeal offers a unique opportunity to make an impact while being part of an amazing team.

Appodeal is a dynamic US-based product company with a truly global presence. We have offices in Warsaw, Barcelona and Virginia along with remote team members located around the world. Our company thrives on diversity, collaboration, and innovation, making us a leader in the mobile app monetization space. Why Appodeal? At Appodeal, we're more than just a company-we're a team united by a common mission: to help every person discover and grow their talents! We take pride in our cutting-edge product and our internationally dispersed team of talented professionals. Here's what we value, and what we hope you do too: * Continuous Learning and Growth: We are passionate about learning, growing personally, and building rewarding careers. * Making an Impact: We are committed to building a history-defining company that leaves a lasting impact on the mobile app industry. * Solving Exciting Challenges: We tackle complex problems every day, supported by a team of world-class professionals and mentors. * Enjoying the Journey: We believe in having fun while working toward our goals.