Senior iOS Engineer

Downloadmoments; New York (NY); Hybrid; USD 100,000 - 150,000; Full time

Job summary

Downloadmoments is hiring a Senior iOS Engineer in New York or remote to enhance the Moments app's core iOS experience. You will focus on on-device machine learning, photo processing, and creating a delightful user interface using SwiftUI.

This high-impact role involves collaborating with backend engineers for API design and significantly improving app performance. With 4+ years of iOS development experience and a strong command of Swift, you will be pivotal in delivering polished consumer apps.

Qualifications

• 4+ years of professional iOS development experience.
• Strong proficiency in Swift and SwiftUI.
• Experience with Core ML or on-device ML.

Responsibilities

• Design and build new features in SwiftUI focusing on performance.
• Optimize ML pipelines for face detection and recognition.
• Own the photo processing pipeline from ingestion to upload.

Skills

iOS development experience

Swift and SwiftUI

Core ML

Vision framework

PhotoKit

Education

BS in Computer Science or equivalent experience

Job description

Engineering Full-time San Francisco, New York, and Remote

Senior iOS Engineer

Build the core Moments iOS experience — on-device ML, photo processing, and a beautiful SwiftUI interface.

About the role

We're looking for an experienced iOS engineer to own critical parts of the Moments app. You'll work on on-device face recognition, photo pipeline optimization, and crafting a delightful user experience. This is a high-impact role where your work ships directly to users every week.

What you'll do

• Design and build new features in SwiftUI with a focus on performance and polish
• Optimize on-device ML pipelines for face detection and recognition
• Own the photo processing pipeline — from camera roll ingestion to upload
• Collaborate with backend engineers on API design and data sync
• Improve app startup time, memory usage, and battery efficiency
• Participate in code reviews and help define engineering best practices

What we're looking for

• 4+ years of professional iOS development experience
• Strong proficiency in Swift and SwiftUI
• Experience with Core ML, Vision framework, or on-device ML
• Understanding of photo/media frameworks (PhotoKit, AVFoundation)
• Track record of shipping polished consumer apps
• BS in Computer Science or equivalent experience

Nice to have

• Experience with face recognition or computer vision
• Background in privacy-preserving ML techniques
• Contributions to open-source iOS projects

Interested?

Email us with your resume attached and a short note about why you're interested.