Senior Full-stack Software Engineer

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 and Node.js development. Senior-level experience with React.js and Next.js for front-end development. Experience building and consuming RESTful APIs. Familiarity with Firebase/Firestore or similar NoSQL databases. Understanding of subscription management and entitlement systems. Experience with Git, modern development workflows, and CI/CD practices. Strong debugging and problem-solving skills. Ability to work independently on significant features while collaborating with the team. Experience writing unit tests and maintaining code quality. Comfortable working across multiple codebases and contexts. Knowledge of security best practices for handling user data. NICE TO HAVES: Experience with AWS Lambda and serverless architectures. Familiarity with Recurly or similar subscription billing platforms. Experience with subscription platform integrations (Apple/Google IAP, etc.). Knowledge of event-driven architectures and webhook processing. Experience with Docker and containerization. Familiarity with DataDog or similar monitoring tools. Experience with connected TV platforms (Roku, Samsung, Vizio). Background in high-traffic, high-reliability systems. Experience in sports, media, or entertainment industries. Experience in digital consultancies or professional services is an asset. Understanding of entitlement management and access control systems. WHAT SETS THIS ROLE APART: Work on systems that serve millions of sports fans worldwide. Exposure to diverse platform integrations and technical challenges. Opportunity to work with both established systems and new platform launches. Growth path toward staff engineer role with mentorship from experienced engineers. Impact on critical revenue-generating systems for a major sports league. Collaborative environment with clear code review and quality standards. LIFE AT APPLY People are at the core of everything we do at APPLY. We provide you with modern tools, systems and approaches, value your time, safety, and health, and strive to build a work community where you can thrive and grow. Here are a few benefits we offer to support you: Agentic Delivery: Our people work in a modern way to deliver client outcomes. Broaden your skills on a range of engagements with international brands that have a global impact. An inclusive and safe environment: We’re truly committed to building a culture where you are celebrated and everyone feels welcome and safe. AI & Strategic Upskilling: Accelerate your professional growth with generous training budgets and mentorship, with a specific focus on Agentic AI expertise and the critical human skills required for the future of work. Generous vacation policy: Work-life balance is key to our team’s success, so we offer flexible personal time off (PTO); allowing ample time away from work to promote overall well-being. Customizable benefits: Tailor your extended health and dental plan to your needs, priorities, and preferences. Flexible work arrangements: We work in a variety of ways, from remote, to in-office, to a blend of both. APPLY is a safe, respectful, and inclusive community where differences are celebrated. We are committed to equal opportunity and fostering a workplace where everyone belongs. Learn more in our Diversity, Equity, and Inclusion (DEI) section. For recruitment accommodations, please email [email protected] .