Senior Mobile Engineer (Kikoff Main App)

Join Kikoff, a consumer fintech startup, as a Senior Mobile Engineer. In this role, you will shape the future of Kikoff's main credit building app, focusing on app growth, payments and monetization, and improving the mobile platform. You will work closely with product managers, designers, growth marketers, data scientists, and engineers, and your success will be measured by improvements in acquisition, retention, and revenue.

• Grow the app by improving the journey from download to active, paying member, including the app store, onboarding, identity verification, and the first credit action.
• Own payments and monetization by building subscription, payment, and billing experiences that are fast, reliable, and easy to trust.
• Improve the mobile platform by evolving the architecture, tooling, and release process for a Flutter app used by millions, helping a growing team ship faster without sacrificing quality.

• API integration: You have experience with REST APIs, asynchronous operations, error states, and reliable network layers
• Data fluency: You are comfortable with analytics tools, funnel analysis, and experiment results, and you use evidence to make decisions
• At least 5 years of mobile development experience, with a record of building and scaling production apps on iOS or Android
• Growth impact: You have owned onboarding, activation, or monetization funnels for a consumer app and can point to metrics you improved
• Mobile architecture: You understand state management, patterns such as MVVM, MVI, and Clean Architecture, and the realities of maintaining a large codebase
• Production ownership: You have shipped consumer apps at scale, handled crashes and edge cases, and supported features across many releases
• Testing mindset: Unit, integration, and UI tests are a normal part of how you build
• Platform expertise: You have a solid foundation in iOS with Swift, UIKit, or SwiftUI, or Android with Kotlin and Jetpack Compose