Staff Software Engineer - iOS

A Staff Software Engineer - iOS at our company is responsible for developing and maintaining the Ads Module for our applications. This includes debugging and creating next-level ad products that can function on both online and offline platforms. You will also be required to identify challenges faced by internal and external teams and to translate those challenges into actionable technical solutions. Collaboration with cross-functional teams, code reviews, and providing technical guidance will be part of your day-to-day responsibilities.

To qualify for the Staff Software Engineer - iOS position at our company, candidates should possess a minimum of 8 years of experience in iOS development, particularly with the MVVM-C architecture. Proficiency in Swift and a solid understanding of iOS design principles, UI patterns, and object-oriented programming are essential. A degree in Computer Science or a related field is required, or equivalent practical experience will also be accepted.

Success in the Staff Software Engineer - iOS role at our company requires strong fundamentals in OOP, reactive programming, and design patterns. Excellent unit and UI testing skills are critical, along with troubleshooting abilities. Communication skills are essential too, particularly for working effectively with engineers and stakeholders. Experience in the AdTech domain or marketing platforms would notably enhance your candidacy.

As a Staff Software Engineer - iOS at our company, you can expect a hybrid work environment that encourages collaboration. You will work on high-impact projects within a supportive team culture that values innovation, creativity, and continuous learning. We pride ourselves on being at the forefront of advertising technology, providing a space where your ideas and contributions are valued.

Our company offers a competitive salary range of $190k - $205k for Staff Software Engineers - iOS, along with a 20% annual bonus and equity opportunities. Additionally, we provide a comprehensive benefits package that includes 401(k) matching, health and life insurance, and paid time off. Our supportive and growth-oriented environment ensures you have the resources you need to thrive.

When debugging an iOS application, I start by reproducing the issue consistently. I use Xcode's debugger to step through the code and examine state changes. Additionally, I analyze crash logs and utilize NSLog statements to track down problems. It's also essential to review any recent changes that may have introduced the bug, ensuring a comprehensive understanding of the surrounding context.

MVVM-C stands for Model-View-ViewModel-Coordinator, which is an architecture pattern designed to separate concerns in iOS applications. The Model handles data, the View manages the UI, the ViewModel acts as a bridge between the two, and the Coordinator manages navigation. This separation enhances testability and allows for cleaner, more maintainable code as each component has a specific role.

To optimize iOS app performance, I focus on efficient networking by minimizing data usage and leveraging caching strategies. I also optimize UI performance by avoiding heavy computations on the main thread and using lazy loading for images and data. Profiling tools like Instruments help identify bottlenecks, and I regularly conduct code reviews to ensure we adhere to performance standards.

I ensure my code is well-tested by writing unit tests alongside my development process. I aim for high test coverage and use XCTest to create functional tests that validate the app’s core functionalities. Continuous integration tools facilitate running these tests, and I prioritize writing tests for edge cases and potential failure points to ensure robustness.

I have extensive experience working in cross-functional teams, collaborating closely with product managers, designers, and QA engineers. I believe in open communication, regularly participating in stand-ups and sprint planning meetings to align our goals and timelines. This collaboration fosters a clear understanding of project requirements and user needs, which is vital for successful product outcomes.

In my iOS development experience, I have utilized several design patterns, including Singleton for shared resources, Observer for event handling, and Factory for creating instances. Understanding and implementing these patterns help maintain a clean architecture that improves code reusability and reduces dependencies, leading to more flexible and manageable applications.

I use Git for version control, ensuring all code is committed regularly to maintain a clear history of changes. I adhere to branching strategies to manage different features and collaborate with team members effectively. Pull requests are crucial for code reviews, allowing for constructive feedback and collaboration before merging changes into the main codebase.

In a recent project, we faced performance issues during the app's initialization phase. I led an investigation into the network requests being made and found that we were simultaneously fetching too much data. By optimizing the data retrieval process and implementing pagination, I significantly improved loading times, leading to a better user experience and reducing strain on the server.

For iOS development, I primarily use Xcode as my IDE, along with version control tools like Git. For testing, I rely on XCTest for unit and UI tests and use Instruments to profile app performance. Additionally, I utilize third-party libraries for testing frameworks, such as Quick and Nimble, to write more expressive tests.

Working with advertising technology excites me because it sits at the intersection of creativity and technical challenge. I love developing solutions that can directly impact user engagement through innovative ad products. The constant evolution of ad tech means there's always something new to learn and explore, making it a dynamic field that keeps me engaged and motivated.