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The Senior Security Engineer will co-design and co-build security features for Cash App's Bitcoin platform, ensuring secure handling of Bitcoin holdings. Responsibilities include developing security mechanisms, maintaining the open-source cold storage system, and contributing to the security infrastructure across the platform.

As a Senior iOS Software Engineer at Cash App, you will develop secure and user-friendly features for identity verification and money transfers. Your responsibilities include crafting maintainable code, enhancing existing infrastructure, and collaborating with cross-functional teams to deliver high-quality solutions that drive user trust and engagement.

As a Senior iOS Software Engineer for Cash App Trust, you will enhance the customer experience in money transfers and identity verification. Responsibilities include building and improving app features, crafting durable code, re-architecting legacy systems, and collaborating with cross-functional teams while ensuring customer feedback informs product solutions.