Founding CTO / Founding Engineer (iOS-First, 0→1 Builder)

About SolveI’m building Solve, an AI-powered marketplace that connects people to real-world help instantly.The problem: finding someone reliable for small tasks is slow and inefficient.Solve removes search. Users post a need, and the system automatically matches them with the best person nearby.This is a mobile-first product. The speed and quality of the app experience are critical.The RoleThis is a Founding CTO / Founding Engineer role.The responsibility is to build the first version of the product from scratch, independently.This includes: • Building the iOS app from 0 (core requirement) • Building the backend and core systems • Designing the matching logic and core product experienceThis is not a management role.This is a hands-on builder role in a 0→1 environment.What You’ll Build • A mobile-first iOS app (from scratch) • A real-time matching system (location, availability, relevance) • Backend systems and APIs • Notifications and real-time updates • Payments and escrow system • User trust and reputation system • Early AI-based ranking and recommendation logicRequirements (Strict) • You have personally built and shipped at least one mobile app • You are comfortable building iOS (Swift) or strong cross-platform mobile apps • You can build both mobile and backend systems • You are able to build independently in the early stage • You have experience working in 0→1 or startup environmentsImportant • If your experience is primarily backend / infrastructure, this role is not a fit • If you have not built mobile apps yourself, this role is not a fit • This role requires hands-on building, not just system designCommitment • Full-time • In-person in San Francisco during the early phase • You will be the first technical hire and build the initial product yourselfCompensation • Equity-based initially • Transition to salary after fundraising (pre-seed / seed)What Matters Most • Ability to build and ship quickly • Strong ownership and execution • Comfort with ambiguity and early-stage chaosIf you apply, be ready to share: • What mobile apps you’ve built • What you personally owned end-to-end