Senior Mobile Engineer - Grant Growth Team

San Francisco, United StatesOn-site

Responsibilities

Build and scale a top finance app on iOS and Android that directly impacts the financial lives of hundreds of thousands of users, growing to millions as we expand our advancing, credit building, and future banking products. •
Own end-to-end feature development across the user lifecycle - from the first identity verification and onboarding flows to cash advances, cash flow management, income earning opportunities, to account management experiences. •
Integrate with financial service providers (Plaid, Stripe, Tabapay) and internal APIs, building robust mobile interfaces that handle sensitive financial data with accuracy and security at scale. •
Develop reusable components, design system elements , and feature scaffolds that accelerate experimentation velocity across our multi-brand mobile platform (Grant, Kikoff, Banking). •
Enhance mobile platform foundations - improving build systems, CI/CD pipelines, code generation tooling, and developer velocity for our growing team.
Small, high-impact team - your contributions are immediately visible. Own features end-to-end and see them impact thousands of users weekly

Kikoff: A FinTech Unicorn Powering Financial Progress with AI
With innovative technology and AI, we simplify credit building, reduce debt, and expand access to financial opportunities to those who need them the most.
We value extreme ownership, clear communication, a strong sense of craftsmanship, and the desire to create lasting work and work relationships.
experience with a track record of building and scaling production apps across iOS and/or Android. •
Strong mobile architecture skills - deep understanding of state management patterns, app architecture (MVVM, MVI, Clean Architecture), and building maintainable codebases at scale. •
A mobile platform expertise - solid foundation in iOS (Swift/UIKit/SwiftUI) and/or Android (Kotlin/Java/Jetpack Compose) development. •
Ideal Candidate Also Has • Flutter/Dart
experience - familiarity with Flutter framework, cross-platform development, or strong willingness to learn (our codebase is Flutter-based). • Fintech

We're a profitable, high growth FinTech unicorn serving millions of people, many of whom are building credit or navigating life paycheck to paycheck.
Base Range $244,000 — $292,000 USD
Equal Employment Opportunity Statement

At Kikoff, our mission is to provide radically affordable financial tools to help consumers achieve financial security.
Founded in 2019, Kikoff is headquartered in San Francisco and backed by top-tier VC investors and NBA star Stephen Curry. Why Kikoff:
This is a consumer fintech startup, and you will be working with serial entrepreneurs who have built strong consumer brands and innovative products.
Yes, you can build an exciting business AND have real-life real-customer impact.
You'll work closely with product, data science, and operations teams to ship features that directly impact customers' financial wellbeing while maintaining the highest standards of reliability, security, and compliance.
Production app ownership - you've shipped consumer-facing apps at scale, handled crashes, edge cases, and maintained features through multiple releases. •
Testing mindset - comfortable writing unit, integration, and UI tests; you build quality in from the start. • API integration
experience - skilled at working with REST APIs, handling async operations, error states, and building resilient network layers.
experience - background with payment systems, banking APIs (Plaid, Stripe), identity verification (Sentilink, Persona), or financial services infrastructure. •
Technical leadership - ability to own complex mobile initiatives end-to-end, from architecture design through implementation, testing, and rollout. •