Senior iOS Engineer

As a Senior iOS Engineer at Luma AI, your primary responsibilities will include developing and optimizing generative interfaces, enhancing video editing capabilities, and implementing local machine learning inference. You'll be working collaboratively within a talented team to create challenging and scalable apps that push the boundaries of technology. Expect to design and ship delightful native iOS applications that hold a strong visual appeal, showcasing your expertise in software development and design aesthetics.

To qualify for the Senior iOS Engineer role at Luma AI, you should have at least 5 years of experience in developing and shipping native iOS applications. Proficiency in either Swift or Objective-C is essential, and a strong understanding of working cross-stack, particularly with web servers and file systems, is advantageous. While not mandatory, having extensive experience with AVFoundation or Video ToolBox, along with any background in building video or image editing applications, will set your application apart from others.

The compensation range for a Senior iOS Engineer position at Luma AI is between $170,000 and $225,000 per year in California. However, the base pay will vary based on factors such as your job-related knowledge, skills, experience, and candidate location. Alongside a competitive salary, you will also receive comprehensive benefits and equity packages in the form of stock options.

Working at Luma AI as a Senior iOS Engineer is unique because the company is committed to merging AI with delightful product design. You’ll be part of a motivated team dedicated to pushing the envelope in technology, working on real-world applications that redefine creativity. Luma AI values a collaborative culture where engineers, designers, and researchers work hand-in-hand, allowing you to be directly involved in innovative projects that have proven and successful outcomes.

At Luma AI, multimodality is seen as a cornerstone of innovation in artificial intelligence. The company believes that by combining various forms of input—such as text, images, and audio—the systems can become more aware and capable. As a Senior iOS Engineer, you'll be part of this exciting journey to develop technologies that not only understand our world but also help users express their creativity in new, powerful ways.

When building scalable iOS applications, I begin by designing a modular architecture that separates concerns effectively. I utilize design patterns like MVC or MVVM and ensure that data handling is efficient through techniques such as lazy loading and caching where appropriate. I also consider performance testing early on and am an advocate for code reviews to maintain code quality, which is crucial for scalability.

I have extensive experience with both Swift and Objective-C, predominantly working with Swift for most recent projects due to its safety features and modern syntax. However, with legacy applications, I often use Objective-C to ensure compatibility. I’m well-versed in leveraging the language-specific functionalities, including protocols and extensions in Swift, to create reusable components that enhance application performance.

For debugging complex iOS applications, I utilize a combination of Xcode’s built-in debugging tools, including breakpoints and Instruments for performance monitoring. I systematically isolate issues by examining logs and leveraging unit tests to ensure that specific components behave as expected. Additionally, I keep an open line of communication with team members to brainstorm solutions when faced with particularly challenging bugs.

To stay updated on iOS development trends, I actively engage in online communities, follow influential developers on social media, and participate in webinars and conferences. I also regularly review Apple's developer documentation and contribute to open-source projects to apply new ideas. This commitment to continuous learning allows me to incorporate best practices into my work effectively.

I have significant experience with AVFoundation, specifically working on applications that require video playback and custom video editing features. I’m familiar with manipulating video assets, managing buffering, and creating complex editing interfaces. My experience extends to Video Toolbox for encoding and decoding video streams, ensuring that I can deliver high-quality media applications.

When conflicts arise within the team, I find it essential to address the issue openly and collaboratively. I encourage discussions where all parties can share their perspectives while focusing on the project’s goals. By facilitating constructive communication and striving for compromise, I aim to maintain team cohesion and find solutions that benefit our development efforts.

My process for implementing new features in an iOS app typically starts with defining the requirements and understanding user needs. I then design wireframes and create a technical specification before proceeding with development. I advocate for incremental development using feature branches, allowing for thorough testing before merging into the main codebase. This careful approach guarantees quality and facilitates smoother integration.

One challenging project I worked on involved creating a complex video editing app that required real-time processing of multiple video feeds. I tackled this challenge by breaking the project into manageable components, optimizing the video processing algorithms, and implementing efficient memory management strategies. The end result was an app that performed well under pressure and received positive feedback from users.

I ensure code quality and maintainability by adhering to clean coding principles like DRY (Don't Repeat Yourself) and KISS (Keep It Simple, Stupid). Regular code reviews, thorough unit testing, and adopting a consistent coding style throughout the team are critical practices I rely on. This rigorous standard helps us catch potential issues early and facilitates future updates and enhancements.

User feedback plays a pivotal role in my development process. It informs feature enhancements and guides bug-fixing prioritization. I actively engage with users through surveys or feedback forms, and I advocate for the incorporation of user insights into our sprint planning. This focus on user-centered design helps create a product that aligns with the audience's needs and expectations.