Senior Mobile Engineer

🕒 December 1, 2025

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Sezzle

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 2016

💳 Fintech

👥 B2C

🛍️ eCommerce

Fintech • B2C • eCommerce

Sezzle is a financial technology company that offers a "buy now, pay later" service, allowing consumers to purchase products and pay for them in four interest-free installments over six weeks. The Sezzle app provides users with a flexible financing alternative to traditional credit cards, enabling instant approval decisions without impacting credit scores. Sezzle partners with various top brands, including Amazon, Walmart, and Target, to offer in-app and in-store payment options. The company's mission is to empower consumers financially by providing more financial freedom and control. It is available as a mobile app, with millions of downloads and high user ratings, and works towards accessibility and inclusion on its platform.

📋 Description

• Help own and build out new features within our cross-platform TypeScript React Native app, and Golang backend APIs. • Manage our releases, using tools like cohorting, feature flags, and app-store infrastructure to ensure a safe rollout to our millions of active users. • Maintain a strong working relationship with product, design, and the business to ensure stakeholder needs are being evaluated and met. • Work with the team to continuously build clean, scalable, robust, and testable code. • Develop a deep working knowledge of your application, data domain, and KPIs.

🎯 Requirements

• 6+ years experience solving technical problems as part of a team. • Experience developing and delivering a mobile application to Apple and Google’s mobile app stores. • Experience with Swift. • Strong familiarity with modern Frontend Development, Javascript or Typescript, and building applications with React Native, or similar cross-platform framework. • Understanding of relational databases like MySQL. • Bachelor's degree in computer science