Senior Backend Developer - Billing Platform

General Motors • Warren, MI

7d • Hybrid

About The Position

Join GM’s Digital Products Engineering team and help shape the future of our billing platform. You’ll lead Zuora integration, architect scalable batch processing systems, and enhance onboarding experiences for millions of OnStar customers. This is a hands-on technical leadership role where you’ll design, build, and optimize cloud-native solutions on Azure, working with modern frameworks and event-driven architectures.

Requirements

• Bachelor’s degree in CS or equivalent experience.
• 5+ years in full-stack development with enterprise integrations (Zuora or similar).
• Strong experience with batch processing and financial systems.
• Hands-on Azure migration and cloud architecture expertise.
• Proficiency in Java, Spring Boot, Node.js, JavaScript/TypeScript, React/Angular.
• Experience with microservices, Kafka, and relational/NoSQL databases.
• Solid understanding of testing frameworks (JUnit, Jest, Cypress).

Nice To Haves

• Strong preference for experience with Shopify
• Prior experience with billing systems or financial applications.
• Familiarity with Liquid or Hydrogen frameworks.
• Strong leadership and mentoring skills.

Responsibilities

• Lead design and development of billing platform features and Zuora integration.
• Architect resilient batch processing systems for high-volume financial transactions.
• Enhance OnStar onboarding flows for seamless customer experiences.
• Drive migration of services to Azure using cloud-native best practices.
• Build microservices and event-driven systems leveraging Kafka.
• Collaborate with product, business, and engineering teams to deliver scalable solutions.
• Write clean, testable code across front-end and back-end components.
• Mentor junior developers and champion engineering best practices.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior