iOS Engineer - Sponsorships

About this role

Substack is hiring an iOS Engineer to lead sponsorship features on its creator platform, building experiences that connect brands with writers while maintaining user trust. You'll develop iOS features, guide product direction, and mentor the team while collaborating across design, content, and partnerships.

What you'll do

• Develop and maintain sponsorship experiences in Substack's iOS app for creators and audiences
• Contribute to product strategy and brainstorming sessions around sponsorship features
• Design and iterate on mobile and web flows, conducting A/B tests to measure impact
• Collaborate with designers, product teams, and support staff from concept through implementation
• Work directly with sponsorship partners to gather requirements and build solutions
• Participate in customer support to maintain empathy for user needs

What they're looking for

• Native iOS development (SwiftUI and UIKit)
• App Store deployment and release management
• A/B testing and experimentation frameworks
• Product thinking and user-centric design
• Code review and technical mentorship
• Cross-functional collaboration
• Production systems quality assurance
• Autonomous problem-solving

Benefits

• Market competitive salary ($140,000 - $260,000)
• Equity for all full-time roles
• Exceptional benefits package
• Direct involvement in product direction
• Work on high-impact creator economy platform
• Small, collaborative team environment