Senior iOS Engineer, App Builds

Who you are

You have 5+ years of experience in iOS development, with a strong understanding of Swift and Objective-C. You are familiar with build tools and CI/CD processes, having worked on optimizing build times and application performance in previous roles. Your experience includes evaluating and implementing modularization strategies to improve development efficiency. You thrive in collaborative environments, effectively communicating with cross-functional teams to bridge gaps between engineering and product features. You are passionate about creating scalable solutions and are always looking for innovative ways to solve complex problems. You understand the importance of data-driven decision-making and are committed to delivering high-quality software that enhances user experience.

Desirable

Experience with Bazel or similar build systems is a plus. Familiarity with performance optimization techniques for mobile applications will set you apart. You have a keen interest in educational technology and are excited about the impact your work can have on users worldwide.

What you'll do

As a Senior iOS Engineer at Duolingo, you will be responsible for building and maintaining the infrastructure that supports our iOS development. You will evaluate and set the direction for our iOS builds, ensuring that our development processes remain fast and efficient as we scale. You will represent the Client Builds and Infrastructure team in architectural discussions, collaborating closely with product feature teams to align on goals and strategies. Your role will involve exploring new technologies and methodologies to optimize our CI pipeline and improve build times for over 70 iOS developers. You will also mentor junior engineers, sharing your expertise and fostering a culture of continuous learning within the team. Your contributions will directly impact the performance and reliability of our applications, helping to deliver the best educational experience to our users.

What we offer

At Duolingo, we provide meaningful work that contributes to our mission of making education universally accessible. You will have limitless learning opportunities and the chance to collaborate with world-class minds in the industry. We offer a competitive salary and benefits package, along with a supportive work environment that encourages innovation and growth. Join us in brightening lives through education and technology.