Senior Software Engineer - Billing & Subscription Platform

Job Description Location: Hybrid. This role is categorized as hybrid. The successful candidate is expected to report to Warren, MI, three times per week, at minimum. About the Role Join GM’s Digital Products Engineering organization and help define the next generation of our subscription and billing platform. As a Staff Software Engineer (Level 8), you will lead technical domains, drive architecture across teams, and serve as an engineering leader for the billing platform. You will provide hands‑on technical leadership for our Zuora integrations, scalable batch processing systems, revenue recognition systems, journal systems and onboarding experiences for millions of OnStar customers, while also setting the long‑term architecture and standards for the broader billing platform. This is a senior individual‑contributor role: you will design, build, and optimize cloud‑native solutions on Azure using modern frameworks and event‑driven architectures, while influencing roadmaps, mentoring senior engineers, and collaborating across product, finance, tax, and eCommerce teams. What You’ll Do Drive design and development of complex billing platform features and integrations, ensuring they are resilient, secure, and compliant across markets. Design and evolve high‑volume batch processing systems for financial transactions, with clear SLIs/SLOs and strong observability (logs, metrics, traces). Shape end‑to‑end onboarding and account lifecycle experiences for OnStar and other connected services, partnering with product and UX to deliver seamless customer journeys. 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. Lead migration of services to Azure using cloud‑native best practices, including containerization, infrastructure‑as‑code, and secure‑by‑default configurations. Collaborate across organizations (product, business, finance, tax, data, and other engineering teams) to define scalable solutions and align technical decisions with business priorities. Mentor and coach engineers at multiple levels, providing guidance on design, coding, testing, observability, and operational excellence; help grow future technical leaders. Your Skills & Abilities (Required Qualifications) Bachelor’s degree in Computer Science or related technical field, or equivalent practical experience. 5+ years of professional software engineering experience. Significant experience with full‑stack or backend development for enterprise integrations, ideally including Zuora or similar billing/subscription platforms. Strong experience with batch processing and financial systems, including reliability, reconciliation, and data integrity considerations. Hands‑on Azure experience, including designing and migrating services to cloud‑native architectures (containers, managed services, security, networking). Proficiency in several of the following: Java, Spring Boot, Node.js, JavaScript/TypeScript, React/Angular. Experience building microservices, event‑driven systems with Kafka, and working with both relational and NoSQL databases. Solid understanding of automated testing and quality practices, including frameworks such as JUnit, Jest, Cypress, or equivalents. Proven ability to lead technical discussions, influence cross‑team decisions, and deliver results in a complex, highly integrated environment. What Will Give You A Competitive Edge (Preferred Qualifications) Prior experience with billing systems (Zuora or similar) and/or financial applications, particularly in multi‑region or multi‑entity environments. Prior experience with integration of payment gateways. Familiarity with Shopify and related storefront technologies, especially in the context of subscription or recurring billing. Familiarity with Liquid or Hydrogen frameworks or similar technologies for building custom storefront experiences. Demonstrated technical leadership and mentoring experience, including guiding senior engineers and influencing architecture at the organization level. Experience modernizing legacy platforms into microservices and implementing event‑driven architectures at scale. Background working closely with finance, tax, and compliance partners on requirements for invoicing, taxation, and revenue recognition. Additional Information GM does not provide immigration‑related sponsorship for this role. Do not apply for this role 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). This job may be eligible for relocation benefits. Non-Discrimination and Equal Employment Opportunities (U.S.) General Motors is committed to being a workplace that is not only free of unlawful discrimination, but one that genuinely fosters inclusion and belonging. We strongly believe that providing an inclusive workplace creates an environment in which our employees can thrive and develop better products for our customers. All employment decisions are made on a non‑discriminatory basis without regard to sex, race, color, national origin, citizenship status, religion, age, disability, pregnancy or maternity status, sexual orientation, gender identity, status as a veteran or protected veteran, or any other similarly protected status in accordance with federal, state and local laws. Accommodations General Motors offers opportunities to all job seekers including individuals with disabilities. If you need a reasonable accommodation to assist with your job search or application for employment, email us or call us at View phone number on click.appcast.io. In your email, please include a description of the specific accommodation you are requesting as well as the job title and requisition number of the position for which you are applying. #J-18808-Ljbffr Dormont Manufacturing Co