Principal iOS Design Engineer - Prototyping in Code

salesforce.com, inc.; New York (NY); On-site; USD 197,000 - 314,000; Full time

Job summary

Salesforce is seeking a Principal Design Engineer to elevate iOS design and prototyping within Slack's iOS experience. You will prototype in production code, refining interactions, and ensuring craft aligns with native iOS standards while evangelizing new practices across the design org.

Ideal candidates bring 8+ years at the intersection of design and iOS engineering, with deep Swift/SwiftUI expertise, hands-on prototyping, and a talent for training teams in agentic tooling and production

Qualifications

• 8+ years at the intersection of product design and iOS engineering.
• Hands-on fluency in Swift/SwiftUI and Objective-C.
• Proven track record building working prototypes in code.
• Strong knowledge of iOS platform standards and capabilities.
• Experience creating tools, documentation, or training for others.
• Excellent collaboration and communication skills.
• Familiarity with agentic/AI-assisted coding tools.

Responsibilities

• Prototype nascent interaction concepts in code to test viability.
• Deeply understand iOS capabilities (WidgetKit, Live Activities, etc.).
• Train and document prototyping workflows for designers.
• Create reusable interaction patterns and prototyping tooling.
• Collaborate across design and engineering to apply technical craft.
• Use data from shipped features to inform prototyping investments.

Skills

iOS design expertise

Swift/SwiftUI

Objective-C

Prototyping in code

iOS platform standards

Documentation & training

Cross-functional collaboration

AI-assisted coding tools

Evangelism & advocacy

Tools

Xcode

Apple HIG

Job description

Salesforce is seeking a Principal Design Engineer to elevate iOS design and prototyping within Slack's iOS experience. You will prototype in production code, refining interactions, and ensuring craft aligns with native iOS standards while evangelizing new practices across the design org.

Ideal candidates bring 8+ years at the intersection of design and iOS engineering, with deep Swift/SwiftUI expertise, hands-on prototyping, and a talent for training teams in agentic tooling and production