iOS Engineer

As an iOS Engineer at Signal, you'll be tasked with developing new features that improve privacy for millions of users. You'll collaborate closely with a small, talented team, taking lead on architectural decisions and ensuring high code quality. You’ll also contribute to our open-source iOS codebase, enhancing communication and trust while addressing unique challenges that come with private messaging.

To be considered for the iOS Engineer role at Signal, you should have a solid understanding of iOS development and internals along with extensive experience in Swift and Objective-C programming languages. We’re looking for candidates with at least 5 years of industry experience, strong communication skills, and a passion for user privacy and high-quality code.

Absolutely! The iOS Engineer position at Signal is fully remote. You have the flexibility to work from anywhere within US timezones, whether that’s at home, in a coffee shop, or even a preferred coworking space. We value work-life balance and ensure you can make your work fit your lifestyle.

The salary range for the iOS Engineer position at Signal varies based on experience, with a competitive compensation package ranging from $160,000 to $260,000. We appreciate the expertise you bring to the table and ensure that your contributions are recognized within our well-funded, stability-driven organization.

Signal fosters a work culture built on trust, mutual respect, and transparency. We are dedicated to creating an inclusive environment where diverse perspectives flourish. For an iOS Engineer, this means a supportive and challenging place to grow, collaborate, and contribute to a mission-driven organization focused on protecting privacy and enabling secure communication.

When answering this question, summarize your hands-on experience with both Swift and Objective-C. Highlight specific projects you've worked on, detailing your role and the outcomes. It’s also helpful to discuss any preferences for specific language and why, demonstrating your technical depth.

Discuss practices that you follow to maintain high-quality code, such as code reviews, writing unit and UI tests, and leveraging continuous integration tools. Emphasize your dedication to code quality and how it contributes to user privacy, aligning it with Signal's mission.

Share specific strategies you employ for debugging, such as using Xcode's debugging tools, logging practices, and systematic troubleshooting methods. Discuss examples where you effectively solved issues in past projects to illustrate your problem-solving capabilities.

Mention resources like blogs, conferences, online courses, and developer communities you actively participate in. Emphasize the importance of continual learning and how it enhances your contributions as an iOS Engineer.

Be ready to narrate a detailed example of a technical challenge you faced, the steps you took to overcome it, and the results. Focus on your thought process, collaboration with team members, and how the experience shaped you as a developer.

Discuss your perspective on feedback, noting that it’s a vital part of personal and professional growth. Offer examples of how constructive criticism has helped refine your skills or improved a project, reinforcing your collaborative spirit.

Illustrate your understanding of user privacy in the context of your work. Highlight the steps you take to ensure user data is protected, and how you design applications that respect user privacy, aligning your view with Signal’s core mission.

Share any contributions you've made to open-source projects, particularly related to iOS or mobile applications. Discuss the lessons learned, community engagement, and how it shaped your technical and professional perspective.

Outline a structured approach, beginning with understanding existing architecture, gathering requirements, and planning implementation steps. Stress the importance of testing and user feedback in your process, demonstrating your user-centered mindset.

Reflect on your career aspirations while tying them back to Signal’s mission. Discuss your desire to work on privacy-centric applications, your interest in progressing within the engineering field, and how you plan to contribute meaningfully to the team and users.