iOS Engineer - Comet

Perplexity AI3 weeks ago

Location

San Francisco

Type

Full Time

Salary

USD 200 – 300,000

Level

Senior

Role

iOS Engineer

Posted

Feb 19, 2026

Full TimeSenior

The role

Summary

Perplexity AI is seeking a highly skilled iOS Engineer to drive the development of Comet, their innovative mobile browser. The ideal candidate will leverage advanced Swift and iOS development expertise to create a performant, user-centric mobile application that pushes the boundaries of internet browsing technology.

What you'll do

Native iOS App Development: Develop a high-performance iOS application targeting millions of global users, focusing on creating a seamless and intuitive mobile browsing experience.

UI/UX Optimization: Collaborate closely with design teams to craft fast, intuitive, and visually appealing user interfaces that meet the highest standards of user experience.

Cross-Team Collaboration: Work extensively with data science, machine learning, infrastructure, and QA teams to enhance the end-to-end application experience, including instrumentation, analysis, and continuous improvement.

Performance Engineering: Ensure optimal app performance through rigorous profiling, measurement, and optimization techniques, maintaining a high-quality development and user experience.

What we look for

Technical

Swift ExpertiseDemonstrated mastery of Swift fundamentals with extensive experience in modern iOS development using Swift, SwiftUI (iOS 16+), and UIKit

Performance OptimizationAdvanced understanding of low-level performance intricacies, app profiling, and performance measurement techniques

Mobile DevelopmentProven track record of building high-quality, reusable, and testable mobile application code

Education

Technical BackgroundBachelor's degree in Computer Science, Software Engineering, or equivalent practical experience

Experience

Industry ExperienceMinimum of 5+ years of professional iOS development experience

Team DynamicsExperience working in small, agile teams with a strong emphasis on ownership and rapid iteration

Skills

Required skills

SwiftAdvanced programming skills in Swift for iOS development

SwiftUIProficiency in modern iOS UI framework (iOS 16+)

UIKitStrong knowledge of traditional iOS UI development framework

Nice to have

Browser DevelopmentPrior experience in mobile browser development

AI IntegrationUnderstanding of AI and large language model technologies

Compensation & benefits

Salary

USD 200 – 300,000 (annual)

Stock options

Available

Benefits

Equity Compensation

Stock options available for the role, providing potential additional long-term value

Interview process

1
Initial Screening — Phone or video call with recruiting team to assess basic qualifications and cultural fit
2
Technical Assessment — Comprehensive coding challenge focusing on iOS development, Swift, and mobile application design
3
Technical Interviews — Multiple rounds of in-depth technical interviews with senior iOS engineers and team leads
4
System Design Interview — Evaluation of candidate's ability to design scalable and performant mobile application architectures
5
Final Interview — Meeting with engineering leadership to discuss vision, team fit, and long-term potential