Mobile Android Engineer, xAI

• Expert in Kotlin, with deep knowledge of Jetpack Compose and the Android View system
• Proficient in performance optimization—memory, CPU, GPU—using low-level tools to deliver blazing-fast systems
• Experienced in designing and shipping intuitive, pixel-perfect mobile UIs that redefine how users interact with AI, driven by a strong sense of product design and user needs
• Skilled in concurrency and reactive programming (Coroutines, Flow) for responsive, real-time apps
• Built high-throughput integrations with APIs (REST, gRPC) or AI model outputs, ensuring seamless data flow while aligning with product goals
• Capable of owning complex features end-to-end, from architecture to Play Store deployment, with a focus on speed, scalability, and delivering measurable user value
• Technically Exceptional: You possess deep expertise in Android development, particularly with Kotlin. We seek individuals who operate at the highest levels of their craft
• Efficient: You excel at delivering results swiftly, often in a fraction of the time others require. Speed is a core value at xAI—we must act decisively to succeed
• Hardworking
• High Agency: You don’t wait for direction—you take initiative, propose bold ideas, and make things happen, both technically and from a product perspective
• Product-Minded: You have a sharp product sense, with an ability to empathize with users, anticipate their needs, and translate that into features that delight and deliver value

Desirable

• We’re seeking exceptional multimedia and Android engineers to join a small, high-impact team dedicated to making Grok's real-time avatar products and mobile experiences the best in the world
• You’ll shape cutting-edge mobile experiences, blending technical mastery with a keen product sense to deliver brilliance that resonates with users
• Dream up and craft delightful, intuitive user experiences that redefine how people interact with AI on mobile, balancing technical innovation with a deep understanding of user behavior and needs
• Obsess over every pixel, animation, and interaction, ensuring the experience feels magical, seamless, and purposeful—delivering joy and utility in equal measure
• Build blazing-fast, highly performant systems where every millisecond counts, while ensuring the product solves real user problems
• Drive technical and product decisions, collaborating with AI researchers, designers, and engineers to deploy state-of-the-art models globally, with an eye toward maximizing user impact

• 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 15 minute interview (“phone interview”) during which a member of our team will ask some basic questions. If you clear the initial phone interview, you will enter the main process, which consists of 3 technical interviews:
• Coding assessment in a language of your choice
• Systems hands-on: Demonstrate practical skills in a live problem-solving session
• 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. All interviews will be conducted via Google Meet