Sr. Fullstack Engineer

We're assisting a well-funded startup in the healthtech space with their search for a sr. fullstack engineer. Their product creates the most engaging mental health experience in the world for teenagers and includes the first scaled network of Certified Peer Specialists. The role will work a hybrid schedule in their Brooklyn office.

What you’ll do:

1. Make teen × mentor experiences magical

• Ship mobile experiences that feel warm, fast, and deeply human
• Improve the “first week” journey — onboarding, matching, early engagement
• Build UI that feels as intuitive and addictive as top consumer social apps

2. Build tools that safely scale our mentor operation

• Create mentor-facing features that increase consistency, speed, and connection
• Build safety surfaces that proactively detect risk and reduce human error
• Improve mentor workflows so that they feel empowered, not burdened, by our tools

3. Own full-stack product development

• Build end-to-end features across React Native, backend services, and APIs
• Collaborate closely with design, product, growth, and clinical ops
• Run user conversations with teens and mentors to deeply understand needs
• Maintain a clean, scalable codebase as we grow quickly

What you’ll bring:

• 4+ years of experience in full stack engineering, including deep work with React Native.
• 3+ years of experience shipping React Native apps for iOS and/or Android.
• Experience integrating REST/GraphQL APIs, offline storage, notifications, authentication.
• Experience using Git, writing unit tests, and CI/CD pipelines.
• Knowledge of React Native navigation, animations, performance tuning.
• Strong proficiency in JavaScript, TypeScript, Node.js, and React Native patterns.
• Experience working with native modules in Objective-C/Swift and/or Java/Kotlin.
• Experience with state management libraries (Redux or MobX).