xAI
iOS Engineer, Payments
We're looking for an exceptional iOS Engineer for a new payments platform being built at X which serves 600 million+ monthly users. This is a high-priority role responsible for protecting users and the platform from fraud, abuse, and risk. As an iOS engineer on the team, you'll help shape the user experience and mobile architecture of these new payments services from the ground up. You'll work closely with the design and backend teams to build secure, responsive, and elegant payments features directly into the X iOS app. This is a rare opportunity to define how users engage with money in a social contextunlocking new digital experiences powered by speed, trust, and simplicity. What You'll Do Design and build high-quality, scalable iOS features for payments, wallets, identity, and more Collaborate closely with backend and design to deliver seamless end-to-end user flows Ensure reliability, performance, and security of payments transactions on mobile Contribute to the architectural evolution of X's iOS codebase with a focus on modularity and reusability Write clean, testable code and maintain high engineering standards across development and release Participate in code reviews, technical discussions, and roadmap planning Who You Are Experienced:
5+ years building iOS applications in Swift, with deep understanding of UIKit and modern iOS frameworks Product-minded:
You care about user experience, polish, and performanceespecially in sensitive financial contexts Security- and privacy-conscious:
You understand how to handle sensitive user data securely and responsibly Builder mentality:
You're energized by zero-to-one problems and thrive in fast-paced, iterative environments Collaborative communicator:
You work well with cross-functional teams and clearly explain technical trade-offs Bonus Experience working on mobile payments, digital wallets, or identity verification flows Familiarity with mobile security best practices (e.g., secure storage, encryption, biometric auth) Comfortable contributing across mobile architecture and backend APIs Tech Stack (Optional) Swift Golang Postgres Kafka Memcached Interview Process After submitting your application, the team reviews your CV and statement of exceptional work. If your application passes this stage, you will be invited to a 30 minute phone interview, during which a member of our team will ask technical questions. If you clear the phone interview, you will proceed to next steps: Coding assessment in a language of your choice. Systems design: Translate high-level requirements into a scalable, fault-tolerant service. Project deep-dive: Present your past exceptional work to a small audience. Meet and greet with the wider team. Our goal is to finish the main process within one week. Location The role is based in Palo Alto. Candidates are expected to be located near the Bay Area or open to relocation. Annual Salary Range $180,000 - $440,000 USD xAI is an equal opportunity employer.
We're looking for an exceptional iOS Engineer for a new payments platform being built at X which serves 600 million+ monthly users. This is a high-priority role responsible for protecting users and the platform from fraud, abuse, and risk. As an iOS engineer on the team, you'll help shape the user experience and mobile architecture of these new payments services from the ground up. You'll work closely with the design and backend teams to build secure, responsive, and elegant payments features directly into the X iOS app. This is a rare opportunity to define how users engage with money in a social contextunlocking new digital experiences powered by speed, trust, and simplicity. What You'll Do Design and build high-quality, scalable iOS features for payments, wallets, identity, and more Collaborate closely with backend and design to deliver seamless end-to-end user flows Ensure reliability, performance, and security of payments transactions on mobile Contribute to the architectural evolution of X's iOS codebase with a focus on modularity and reusability Write clean, testable code and maintain high engineering standards across development and release Participate in code reviews, technical discussions, and roadmap planning Who You Are Experienced:
5+ years building iOS applications in Swift, with deep understanding of UIKit and modern iOS frameworks Product-minded:
You care about user experience, polish, and performanceespecially in sensitive financial contexts Security- and privacy-conscious:
You understand how to handle sensitive user data securely and responsibly Builder mentality:
You're energized by zero-to-one problems and thrive in fast-paced, iterative environments Collaborative communicator:
You work well with cross-functional teams and clearly explain technical trade-offs Bonus Experience working on mobile payments, digital wallets, or identity verification flows Familiarity with mobile security best practices (e.g., secure storage, encryption, biometric auth) Comfortable contributing across mobile architecture and backend APIs Tech Stack (Optional) Swift Golang Postgres Kafka Memcached Interview Process After submitting your application, the team reviews your CV and statement of exceptional work. If your application passes this stage, you will be invited to a 30 minute phone interview, during which a member of our team will ask technical questions. If you clear the phone interview, you will proceed to next steps: Coding assessment in a language of your choice. Systems design: Translate high-level requirements into a scalable, fault-tolerant service. Project deep-dive: Present your past exceptional work to a small audience. Meet and greet with the wider team. Our goal is to finish the main process within one week. Location The role is based in Palo Alto. Candidates are expected to be located near the Bay Area or open to relocation. Annual Salary Range $180,000 - $440,000 USD xAI is an equal opportunity employer.