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Senior Mobile Engineer – Kikoff Main App

San Francisco Office💼 Full-time💰 $244,000–$244,000🗓 2026-09-09 → 2026-09-26

Core

Senior Mobile Engineer responsible for scaling Kikoff's main credit-building app, optimizing user acquisition funnels, and managing payments/monetization flows.

Role type

Senior IC mobile engineer (Flutter/iOS/Android)

Builds

Consumer fintech app for credit building, subscription billing, and payment processing

Domain

Fintech / Consumer Finance

Deliverable

production ML models | product features

Required skills

Flutter, iOS (Swift/UIKit/SwiftUI), Android (Kotlin/Jetpack Compose), MVVM/MVI/Clean Architecture, CI/CD, Unit/Integration/UI testing, REST APIs, Funnel analysis, Stripe/Tabapay integration

Preferred skills

Experience scaling production apps, Growth marketing experimentation, State management optimization

Technologies

Flutter, Swift, Kotlin, Jetpack Compose, Stripe, Tabapay, CI/CD tools

Responsibilities

Optimize mobile funnel from store to first credit action; Build resilient payment flows and subscription UX; Evolve Flutter architecture and modularity for multi-team scale

Seniority

Senior, hands-on IC

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