Senior iOS Engineer — Shape a Scalable Mobile Platform

OneClick Smart Resume; San Mateo (CA); On-site; USD 295,250 - 345,040; Full time

Job summary

Roblox in San Mateo, CA is seeking an exceptional Senior Software Engineer for iOS to shape the mobile experience used by millions of players daily. You will lead architecture and implementation on a large Swift/Objective-C codebase, push forward with the latest iOS capabilities, and collaborate with product, design, and data science to turn ideas into product.

This role emphasizes mentorship, setting technical direction, and driving cross-team initiatives to raise the engineering bar across the

Qualifications

• 5+ years leading mobile feature design and delivery at scale.
• BS/MS in Computer Science, Engineering, or equivalent.
• Deep hands-on Swift and Objective-C expertise with iOS architecture (Swift Concurrency, SwiftUI/UIKit interop).
• Experience shipping in very large codebases with many contributors.
• Strong product sense and bias toward shipping over speculation.
• Excellent judgment under ambiguity.

Responsibilities

• Shape & improve the iOS experience that millions of players open every day.
• Lead architecture and implementation on a large, evolving Swift/Objective-C codebase.
• Push the platform forward by adopting the latest iOS, hardware, and iOS capabilities.
• Partner deeply with product, design, and data science to materialize ideas.
• Raise the engineering bar through code review, technical mentorship, and your own standards.
• (Principal) Set technical direction across multiple workstreams, drive multi-quarter initiatives that span teams.

Skills

Swift

Objective-C

Code architecture

Large codebase

Product sense

Shipping under ambiguity

Education

BS/MS in Computer Science/Engineering

Tools

Swift Concurrency

UIKit Interop

Modularization

Job description

Roblox in San Mateo, CA is seeking an exceptional Senior Software Engineer for iOS to shape the mobile experience used by millions of players daily. You will lead architecture and implementation on a large Swift/Objective-C codebase, push forward with the latest iOS capabilities, and collaborate with product, design, and data science to turn ideas into product.

This role emphasizes mentorship, setting technical direction, and driving cross-team initiatives to raise the engineering bar across the