We're hiring a Mobile Team Lead to own the AppHarbr SDK, GeoEdge's mobile division that gives publishers real-time control over ad quality across iOS and Android. About AppHarbr AppHarbr is GeoEdge's mobile division, a lightweight SDK that integrates directly into apps and games, giving publishers real-time control over ad quality. It proactively blocks disruptive, intrusive, and malicious ads before they ever reach users. Trusted by industry leaders, AppHarbr runs at scale across some of the world's most widely used mobile apps, sitting at the intersection of mobile performance and ad security. The role We are looking for an experienced Mobile Team Lead to take full ownership of the AppHarbr SDK across iOS and Android. This is a hands-on technical leadership role, you will spend the majority of your time making architectural decisions, setting technical direction, and driving cross-functional execution across a team that includes offshore contributors, while writing and reviewing code. This is a team that moves with the tools available to it, AI-assisted development is part of how we work, not a future aspiration. The SDK runs inside production apps across millions of devices, operating in real time alongside a continuously evolving ecosystem of third-party mediation layers and ad networks. Reliability, backward compatibility, and runtime performance are baseline expectations, not aspirational goals. Responsibilities Technical Architect and develop high-performance, multi-threaded SDK code across iOS and Android Drive platform technical decisions, performance optimizations, and deep research into OS internals and third-party SDK behavior Own SDK stability across the full compatibility matrix, OS versions, devices, and mediation integrations Lead complex debugging efforts, reverse-engineer third-party integrations, and resolve integration issues for internal and external stakeholders Define and enforce best practices in testing, code quality, and CI/CD w