Senior Software Engineer (Billing & Subscription Platform)

TL;DR

Senior Software Engineer (Billing & Subscription Platform): Lead technical domains and drive architecture for GM’s next-generation subscription and billing platform with an accent on Zuora integrations, scalable batch processing, revenue recognition, and onboarding for millions of OnStar customers. Focus on designing cloud-native microservices on Azure, event-driven systems with Kafka, and ensuring resilience, security, and compliance across markets.

Hybrid: Expected to report to Warren, MI, three times per week at minimum. GM does not provide immigration-related sponsorship (H-1B, OPT, etc.). Do not apply if you need sponsorship now or in the future.

Company

GM’s Digital Products Engineering organization powering connected services like OnStar with a vision for Zero Crashes, Zero Emissions, and Zero Congestion.

What you will do

• Drive design and development of complex billing features and integrations, ensuring resilience, security, and compliance.
• Design high-volume batch processing systems for financial transactions with strong observability (logs, metrics, traces).
• Shape end-to-end onboarding and account lifecycle experiences for OnStar services, partnering with product and UX teams.
• Build microservices and event-driven systems using Kafka.
• Lead migration of services to Azure with containerization, IaC, and secure configurations.
• Mentor engineers, influence roadmaps, and collaborate across product, finance, tax, and eCommerce teams.

Requirements

• Bachelor’s degree in Computer Science or equivalent experience.
• 5+ years of professional software engineering experience.
• Full-stack or backend development for enterprise integrations, ideally Zuora or similar billing platforms.
• Batch processing and financial systems experience, focusing on reliability and data integrity.
• Hands-on Azure experience with cloud-native architectures (containers, managed services).
• Proficiency in Java, Spring Boot, Node.js, JavaScript/TypeScript, React/Angular.
• Microservices, Kafka, relational/NoSQL databases, automated testing (JUnit, Jest, Cypress).
• Ability to lead technical discussions and deliver in complex environments.

Nice to have

• Billing systems (Zuora) and financial apps in multi-region environments.
• Payment gateways integration.
• Shopify, Liquid, or Hydrogen for storefronts.
• Technical leadership and mentoring senior engineers.
• Modernizing legacy platforms to microservices and event-driven architectures.
• Work with finance, tax, compliance on invoicing and revenue recognition.

Culture & Benefits

• Inclusive workplace fostering belonging and development.
• Comprehensive Total Rewards from day one, including well-being support at work and home.
• Non-discriminatory employment practices per US federal, state, and local laws.
• Opportunities for accommodations for job seekers with disabilities.
• May be eligible for relocation benefits.