Principal iOS Design Engineer: Prototyping in Production

Slack; New York (NY); On-site; USD 197,000 - 345,000; Full time

Job summary

Salesforce is hiring a Principal Design Engineer to elevate the Slack iOS experience. You will prototype directly in code, pushing innovative mobile design and craft into production iOS codebases with strong technical judgment.

We seek 8+ years blending design and iOS engineering, deep knowledge of iOS standards, and a passion for teaching others to prototype with agentic AI tools. The role emphasizes collaboration across design and engineering teams.

Qualifications

• 8+ years at the intersection of product design and iOS engineering, with hands-on Swift/SwiftUI and Objective-C.
• Proven track record building real prototypes in code that impact customers.
• Knowledge of Apple HIG and native iOS frameworks; ability to justify bespoke solutions.

Responsibilities

• Prototype nascent interaction concepts directly in code to validate ideas.
• Deeply understand iOS platform capabilities and apply standard patterns.
• Create tools, docs, or training to help designers and engineers elevate craft.
• Collaborate with designers and engineers across the org to share solutions.

Skills

Swift/SwiftUI

Objective-C

iOS engineering

Prototype in code

Cross-functional collaboration

Job description

Salesforce is hiring a Principal Design Engineer to elevate the Slack iOS experience. You will prototype directly in code, pushing innovative mobile design and craft into production iOS codebases with strong technical judgment.

We seek 8+ years blending design and iOS engineering, deep knowledge of iOS standards, and a passion for teaching others to prototype with agentic AI tools. The role emphasizes collaboration across design and engineering teams.