Senior Software Engineer, React Native

About this role

Tapcart is the leading mobile app platform for the as fastest-growing Shopify brands. We help marketers and eCommerce teams strengthen their brands and create differentiated customer experiences through a direct mobile channel.

Our platform powers mobile shopping for over 50 million consumers and processes more than $8 billion in revenue annually. Brands like Béis, Grove Collaborative, and Ruggable trust Tapcart to turn mobile traffic into high-retention, high-growth relationships - with mobile apps launched in hours, not months.

THE ROLE

As a Senior Software Engineer on the React Native team, you'll work primarily on our mobile application framework - that millions of shoppers open every day - building the in-app experiences, native capabilities, 3rd party integrations, and ecommerce interfaces that define the Tapcart product. You'll own features end-to-end, from problem statement to production, and help shape the patterns and architecture that keep our apps fast, scalable, and extensible.

This is a full-stack, end-to-end role, suited to a builder who is most at home in mobile but is curious and comfortable reaching across the stack. We expect everyone on the team to take ownership of their work, collaborating directly with merchants from POC to general access release. You may go deep in one area (runtime performance, local data and caching, native modules, etc.), but curiosity and willingness to work across the whole stack is the baseline, not the exception. You are passionate about applying AI tools creatively to your own work and sharing internal tools and knowledge with our internal engineering team.

HOW YOU WILL MAKE AN IMPACT

• Design, ship, and maintain features in our React Native + Expo app - in-app screens, navigation, state, and the native web bridge that powers them.
• Build and extend native-adjacent capabilities (performance-sensitive UI, native module integrations, OTA-delivered updates) used by millions of shopp...