Design, build, and maintain core product features using Next.js Implement and manage data models, real-time data flows, and integrations using Firebase / Firestore Configure and maintain authentication, authorization, and access controls Develop serverless logic and backend workflows using Firebase Functions as needed Ship features incrementally with guidance from senior engineers and product leadership Collaborate closely with product and leadership teams to translate requirements into production-ready solutions Maintain code quality, performance, and reliability in a production environment