Senior Mobile Engineer - Grant Growth Team

Kikoff • San Francisco, CA

2d • $244,000 - $292,000 • Hybrid

About The Position

At Kikoff, our mission is to provide radically affordable financial tools to help consumers achieve financial security. We're a profitable, high growth FinTech unicorn serving millions of people, many of whom are building credit or navigating life paycheck to paycheck. With innovative technology and AI, we simplify credit building, reduce debt, and expand access to financial opportunities to those who need them the most. 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. We value extreme ownership, clear communication, a strong sense of craftsmanship, and the desire to create lasting work and work relationships. Yes, you can build an exciting business AND have real-life real-customer impact.
What You'll Be Doing
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.
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.

Requirements

• 5+ years of mobile development 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.
• Production app ownership - you've shipped consumer-facing apps at scale, handled crashes, edge cases, and maintained features through multiple releases.
• A mobile platform expertise - solid foundation in iOS (Swift/UIKit/SwiftUI) and/or Android (Kotlin/Java/Jetpack Compose) development.
• 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.

Nice To Haves

• Flutter/Dart experience - familiarity with Flutter framework, cross-platform development, or strong willingness to learn (our codebase is Flutter-based).
• Fintech 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.
• Mentorship - help level up the team through code reviews, design docs, technical guidance, and establishing mobile best practices.
• Impact focus - balance technical excellence with pragmatic delivery - you know when to build for scale vs. ship fast and learn.
• Cross-functional collaboration - partner effectively with backend engineers, product, and designers to deliver seamless end-to-end experiences.
• Operational excellence - take ownership of the reliability and performance of features you build, monitoring production issues and iterating quickly.

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.
• 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.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed