Senior Full-stack Software Engineer

About this role

ABOUT APPLY

APPLY is the Agentic Customer Experience (ACx) partner for the world's most ambitious consumer and entertainment brands. We bring together deep domain expertise across Retail, CPG, Sports, and Media with AI-native delivery capability, designing and delivering agentic solutions that turn CX vision into commercial reality. We are the partner of choice for brands like Arc'teryx, NFL, Lululemon, and Kraft Heinz. For more information, visit applydigital.com.

LOCATION: *APPLY is hybrid/remote friendly. The preferred candidate should be based in Canada, working in hours that align to* *ET (Eastern Timezone) or PT (Pacific Timezone).*

THE ROLE:

### RESPONSIBILITIES:

• Design and implement subscription management features across our full-stack architecture.
• Build and maintain RESTful APIs using Restify/Node.js for platform integrations.
• Develop user-facing subscription management interfaces using React/Next.js.
• Create and maintain webhook handlers for real-time subscription event processing.
• Integrate with third-party platforms and subscription billing services.
• Manage user entitlements and access control across various platforms.
• Work across multiple codebases, including two back-end services, a front-end monorepo, and webhook handlers.
• Debug and resolve subscription and entitlement issues across various platforms (Apple, Google, Roku, etc.).
• Write clean, testable code with comprehensive unit tests using Jest.
• Collaborate with staff engineers on system design and architectural improvements.
• Participate in code reviews and contribute to team best practices.
• Handle occasional on-call responsibilities for technical support.
• Work with Firebase Functions for event-driven background processing.
• Maintain and improve our subscription reconciliation processes.

### REQUIREMENTS:

• 5+ years of experience in Software Engineering
• Bachelor's degree in computer science, or equivalent.
• Strong proficiency in TypeScript...