iOS Engineer

Substack

. Develop new and existing sponsorship experiences in the core iOS app for creators and their audiences .

Posted 9/16/2026full-timeNew York City • California • United StatesMid-LevelSenior💰 $140,000 - $260,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in developing high-quality native iOS applications, with a focus on creating engaging sponsorship experiences. Strong collaboration skills with cross-functional teams and a commitment to delivering elegant product solutions are essential.

Highest-signal resume keywords

IOS Application DevelopmentSwiftUIUIKitA/B TestingTechnical Architecture

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Software EngineeringNative iOS AppsCode ReviewProduct DevelopmentHigh-Quality Solutions

Soft Skills

CollaborationOwnershipMentorshipProblem SolvingLeadership

Industry Keywords

Sponsorship ExperiencesProduct ConceptCustomer EngagementFast-Growing StartupHigh-Performing Growth Team

Tech Stack

Tools & technologies

iOS

About the role

Key responsibilities & impact

Develop new and existing sponsorship experiences in the core iOS app for creators and their audiences
Contribute to high-level product and brainstorming discussions around sponsorship experiences
Iterate on key flows in the Substack mobile apps and web platform
Run A/B tests
Collaborate with designers, writers, support staff, and other teams from product concept and research through implementation, experimentation, and measurement
Own work and deliver high-quality solutions
Work directly with customers to solve their problems
Collaborate directly with Sponsorship partners to gather product ideas and develop solutions for brands and creators
Provide code review, mentorship, and thoughtful technical architecture as the iOS leader on the team

Requirements

What you’ll need

At least 3+ years of software engineering experience
Experience shipping high quality, native iOS apps to the App Store
Bonus for experience with both SwiftUI and UIKit
Independent and autonomous, with ownership of work and leadership ability
High standards when working on production systems
Interest in building elegant and delightful product experiences
Ability to collaborate with a diverse group of thinkers
Belief in Substack’s mission to build a better business model for writing
Experience at a fast-growing startup or on a high-performing growth team is a plus, not required
Must answer whether immigration support or visa sponsorship will be required to continue working in the United States
Must answer whether located in the United States or Canada

Benefits

Comp & perks

Equity for all full time roles
Exceptional benefits
Market competitive salary