Senior Fullstack Engineer - User Retention & App Ecosystem

<div class="content-intro"><p data-pm-slice="1 1 []"><strong>Kikoff: The Fintech Powering Financial Security at Scale</strong><br>Kikoff is a profitable, pre-IPO fintech company on a mission to empower everyone to achieve financial security. With record revenue growth in 2025 and a unicorn valuation, we've built a suite of products that help millions of people build credit, access liquidity, and save money.<br>We're scaling fast. Join us if you want to build something meaningful and help millions of people move forward financially.</p> <p>&nbsp;</p> <p><strong>Why Kikoff:</strong></p> <p>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.</p></div><h2>About the…