Senior Full-Stack Engineer - Subscriptions & Platform APIs

APPLY is seeking a Senior Software Engineer to design and implement subscription management features across a full-stack architecture. You will build RESTful APIs with Restify/Node.js, develop React/Next.js UIs, and create webhook handlers for real-time subscription events.

You will integrate with third-party billing platforms, manage entitlements, and collaborate across multiple codebases. This role includes on-call support, Firebase Functions, and ongoing reconciliation improvements.