What are the responsibilities and job description for the iOS Engineer (Senior) position at AskPetal?
We're looking for a Senior iOS Engineer to lead the build of Petal's iOS app. You'll be the first dedicated mobile engineer and a core member of the founding team, working directly with the founder to shape the product from first principles.This is a greenfield iOS build establishing the technical and experiential foundation for a highly personalized, AI-driven health platform.The OpportunityThis role is for an engineer who values high-quality systems and has experience working with Apple HealthKit, wearable data, and other system-level iOS frameworks.You'll own the iOS experience end-to-end — from architecture and performance to interaction details and polish — and play a central role in transforming wearable and health data into calm, actionable insights users rely on daily.What You'll DoDesign, build, and ship Petal's native iOS app using Swift and SwiftUIArchitect and maintain a scalable iOS codebase with a long-term perspectiveIntegrate Apple HealthKit and wearable data sourcesDesign and consume robust APIs for data ingestion, personalization, and AI-driven insightsBuild core product flows including onboarding, subscriptions (IAP), push notifications, and daily check-insTranslate complex physiological data into intuitive, trustworthy user experiencesCollaborate closely with the founder on product direction, UX nuance, and iterationMake careful, durable technical decisions around data integrity, privacy, and performanceShip deliberately — with a high bar for quality, reliability, and maintainabilityDesign systems with privacy, security, and user consent as first-class constraintsWhat We're Looking For (Must Have)Deep experience building and maintaining native iOS applicationsStrong proficiency in Swift and SwiftUIHands-on experience with Apple HealthKit and health or wearable dataExperience integrating with external APIs and handling asynchronous, stateful data flowsA track record of shipping and supporting polished consumer appsStrong understanding of modern iOS architecture patterns (MVVM, async/await, state management)Experience with subscriptions, notifications, and complex user statesStrong product judgment and attention to detailComfort operating autonomously in an early-stage, product-driven environmentClear, thoughtful communication in a remote teamNice to HaveExperience at product-led companiesPrior startup or founding engineer experienceExperience integrating AI or ML-powered features into consumer productsFamiliarity with health data privacy, permissions, and user trust considerationsBackground in wellness, healthcare, or data-driven consumer productsCompensation, Equity & GrowthCompetitive contract or full-time compensation (depending on structure)Meaningful equity as an early founding engineerReal ownership over architecture, product decisions, and technical directionOpportunity to grow into a long-term leadership role as the company scales
Salary : $143,300