At a Glance
- Tasks: Craft intuitive mobile experiences that redefine AI interaction and drive technical decisions.
- Company: Join a cutting-edge AI company focused on engineering excellence and innovation.
- Benefits: Competitive salary, equity, comprehensive health coverage, and retirement plan.
- Other info: Dynamic team environment with rapid career growth opportunities.
- Why this job: Make a real impact by shaping the future of AI on mobile devices.
- Qualifications: Expertise in Swift, UI design, and performance optimisation required.
The predicted salary is between 108000 - 252000 £ per year.
About xAI
xAI's mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company's mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates.
About the Role
We’re seeking an exceptional iOS engineer to join a small, high-impact team dedicated to creating the world’s most valuable AI application, judged by the impact it delivers to users. You’ll shape cutting-edge mobile experiences, blending technical mastery with product brilliance. An ideal candidate meets at least the following requirements:
- Expert in Swift, with deep knowledge of SwiftUI and UIKit.
- 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.
- Skilled in concurrency and reactive programming (Combine) for responsive, real-time apps.
- Built high-throughput integrations with APIs (REST, gRPC) or AI model outputs, ensuring seamless data flow.
- Capable of owning complex features end-to-end, from architecture to App Store deployment, with a focus on speed and scalability.
Additionally, experience in any of the following may set you apart:
- Deep expertise in the Apple ecosystem and related development tools.
- Rust for working with our backend components.
- AVFoundation for real-time audio processing.
- Track record of shipping standout apps or standout features within apps.
What You’ll Do
- Dream up and craft delightful, intuitive user experiences that redefine how people interact with AI on mobile.
- Obsess over every pixel, animation, and interaction, ensuring the experience feels magical and seamless.
- Build blazing-fast, highly performant systems where every millisecond counts.
- Drive technical and product decisions, collaborating with AI researchers and engineers to deploy state-of-the-art models globally.
Who You Are
- Technically Exceptional: You possess deep expertise in iOS development, particularly with Swift. 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 and make things happen.
- 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.
Location
You can work out of xAI's Palo Alto or San Francisco office.
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 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.
Annual Salary Range
$180,000 - $440,000 USD
Benefits
Base salary is just one part of our total rewards package at xAI, which also includes equity, comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short & long-term disability insurance, life insurance, and various other discounts and perks.
xAI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice.
Mobile iOS Engineer in London employer: xAI
At xAI, we pride ourselves on being an exceptional employer, fostering a collaborative and innovative work culture that empowers our team members to take initiative and drive impactful AI solutions. Located in a vibrant tech hub, we offer competitive benefits, a flat organisational structure, and ample opportunities for personal and professional growth, making it an ideal environment for skilled engineers looking to make a meaningful contribution in the field of AI.
StudySmarter Expert Advice🤫
We think this is how you could land Mobile iOS Engineer in London
✨Tip Number 1
Get your networking game on! Connect with folks in the industry, attend meetups, and don’t be shy about reaching out to current employees at xAI. A friendly chat can sometimes lead to opportunities that aren’t even advertised!
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your best iOS projects, especially those that highlight your expertise in Swift and UI design. This is your chance to shine and demonstrate how you can contribute to xAI's mission.
✨Tip Number 3
Prepare for those interviews like a pro! Brush up on your coding skills and be ready to discuss your past work in detail. Remember, they want to see your problem-solving abilities and how you think on your feet.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, it shows you’re genuinely interested in being part of the xAI team.
We think you need these skills to ace Mobile iOS Engineer in London
Some tips for your application 🫡
Show Off Your Skills:When you're writing your application, make sure to highlight your expertise in Swift and any standout projects you've worked on. We want to see how you can bring your technical mastery to the table!
Be Concise and Clear:Strong communication skills are key for us, so keep your application clear and to the point. Use bullet points if it helps convey your experience better—just make it easy for us to read!
Tailor Your Application:Make sure to align your application with our mission and values. Show us how your passion for AI and mobile development fits into what we're trying to achieve at xAI.
Apply Through Our Website:We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for the role without any hiccups!
How to prepare for a job interview at xAI
✨Master Your Technical Skills
Make sure you're up to speed with Swift, SwiftUI, and UIKit. Brush up on performance optimisation techniques and be ready to discuss how you've used low-level tools to enhance app performance. This is your chance to showcase your technical mastery!
✨Showcase Your Past Work
Prepare a compelling presentation of your previous projects, especially those that highlight your ability to create intuitive, pixel-perfect UIs. Be ready to explain your thought process and the impact your work had on users—this will demonstrate your product-minded approach.
✨Practice Problem-Solving
Since there’s a coding assessment in the interview, practice solving problems in your chosen language. Focus on concurrency and reactive programming, as these are key skills for the role. Use platforms like LeetCode or HackerRank to sharpen your skills.
✨Communicate Effectively
Strong communication skills are crucial. Practice explaining complex concepts in simple terms, as you'll need to share knowledge with your teammates. During the interview, be concise and clear in your responses to show you can articulate your ideas well.
