Principal Design Engineer, Mobile – iOS

Salesforce

. Prototype ambiguous interaction and device capability concepts directly in code .

Posted 11/10/2026full-timeUnited StatesLead💰 $197,300 - $344,700 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates extensive expertise in iOS engineering and product design, with a strong focus on prototyping and creating mobile experiences using Swift, SwiftUI, and Objective-C. Capable of providing technical guidance and training to enhance collaboration between designers and engineers.

Highest-signal resume keywords

IOS EngineeringSwift/SwiftUIObjective-CPrototypingIOS Platform Standards

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

PrototypingSwiftSwiftUIObjective-CIOS CapabilitiesWidgetKitApp IntentsLive ActivitiesShortcutsApple HIG

Soft Skills

JudgmentCollaborationTrainingDocumentation

Tech Stack

Tools & technologies

iOSObjective-CSwift

About the role

Key responsibilities & impact

Prototype ambiguous interaction and device capability concepts directly in code
Turn early concepts into tangible mobile experiences for evaluation
Build deep, current understanding of iOS capabilities including WidgetKit, App Intents, Live Activities, and Shortcuts
Apply platform-native standards and interaction patterns, while creating bespoke solutions when appropriate
Conduct training and document agentic prototyping workflows for designers
Help designers prototype directly in production mobile codebases
Partner with designers and engineers across the organization
Provide direct technical and creative solutions and guidance for native or custom approaches

Requirements

What you’ll need

8+ years at the intersection of product design and iOS engineering
Deep hands-on fluency in Swift/SwiftUI and Objective-C
Track record of building real, working prototypes in code to explore ambiguous concepts
Deep, current knowledge of iOS platform standards and capabilities, including Apple HIG and native frameworks
Judgment to determine when a bespoke, non-standard solution is worth building
Experience creating tools, documentation, or training that help designers and engineers improve their craft

Benefits

Comp & perks

Time off programs
Medical insurance
Dental insurance
Vision insurance
Mental health support
Paid parental leave
Life insurance
Disability insurance
401(k)
Employee stock purchasing program
Incentive compensation may be available for certain roles
Equity may be available for certain roles
Reasonable accommodation during the application or recruiting process