Software Engineer, X Chat - Cryptography
Job Description
- Deep expertise in iOS/Android ecosystems and tools (Xcode, Android Studio, Gradle).
- Proven track record of shipping standout mobile apps with secure features.
- Expert in Swift, Objective-C, Kotlin, or Java, with deep knowledge of mobile architectures.
- Proficient in performance optimization for responsive, secure apps.
- Experienced in designing and shipping intuitive mobile UIs with E2EE integration.
- Skilled in concurrency (Coroutines, Flow) for real-time, encrypted messaging.
- Built high-throughput API integrations (REST, GraphQL) with backend systems.
- Capable of owning features end-to-end, from architecture to app store deployment, focusing on user value.
- Equity
- Comprehensive medical, vision, and dental coverage
- Access to a 401(k) retirement plan
- Short & long-term disability insurance
- Life insurance
- Various other discounts and perks
About the Role
We’re seeking an exceptional Software Engineer to join a small, high-impact X Chat team dedicated to creating a transformative mobile chat experience. You’ll shape intuitive, secure mobile apps, blending technical expertise with a keen product sense to deliver user impact. An ideal candidate meets at least the following requirements:
- Expert in Swift, Objective-C, Kotlin, or Java, with deep knowledge of mobile architectures.
- Proficient in performance optimization for responsive, secure apps.
- Experienced in designing and shipping intuitive mobile UIs with E2EE integration.
- Skilled in concurrency (Coroutines, Flow) for real-time, encrypted messaging.
- Built high-throughput API integrations (REST, GraphQL) with backend systems.
- Capable of owning features end-to-end, from architecture to app store deployment, focusing on user value.
Additionally, experience in any of the following may set you apart:
- Deep expertise in iOS/Android ecosystems and tools (Xcode, Android Studio, Gradle).
- Proven track record of shipping standout mobile apps with secure features.
What You’ll Do
- Craft delightful, secure mobile experiences for X Chat on iOS/Android.
- Obsess over performance and UI, ensuring seamless, encrypted interactions.
- Drive technical and product decisions, collaborating with designers and engineers.
- Deploy innovative, secure features globally, maximizing user impact.
Who You Are
- Technically Exceptional: Deep expertise in mobile development, particularly with Kotlin or Swift.
- Efficient: Deliver results swiftly, prioritizing speed and quality.
- Hardworking: Committed to building secure, user-focused apps.
- High Agency: Take initiative and drive feature development.
- Product-Minded: Empathize with users to create delightful, secure experiences.
Tech Stack
- Swift, Objective-C, Kotlin, Java
- REST, GraphQL
- Xcode, Android Studio, Gradle
Interview Process
After submitting your application, the team reviews your CV and statement of exceptional work. If your application passes, you’ll be invited to a 15-30 minute phone interview with technical questions. If cleared, you’ll proceed to:
1. Deep dive coding challenge.
2. Meet and greet with the wider team.
Our goal is to complete the process within one week. All interviews will be conducted in person when applicable.
