Senior Backend Developer - Billing Platform

Job Description

Location:

Hybrid – the successful candidate is expected to report to Austin, TX or Warren, MI, three times per week, at minimum.

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 hands‑on technical leadership role involves designing, building, and optimizing cloud‑native solutions on Azure, working with modern frameworks and event‑driven architectures.

• 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.

• 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/Type Script, React/Angular.
• Experience with microservices, Kafka, and relational/No
  
  SQL databases.
• Solid understanding of testing frameworks (JUnit, Jest, Cypress).

• 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.

GM does not provide immigration‑related sponsorship for this role. Do not apply if you will need GM immigration sponsorship now or in the future. This includes direct company sponsorship, entry of GM as the immigration employer of record on a government form, and any work authorization requiring a written submission or other immigration support from the company (e.g., H‑1B, OPT, STEM OPT, CPT, TN, J‑1, etc.).

This job may be eligible for relocation benefits.

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