Senior Software Engineer, eCommerce

Description
Hybrid: This role is categorized as hybrid. This means the successful candidate is expected to report to the Warren Technical Center in Warren, MI three times per week, at minimum.
We are the Physical eCommerce Software Engineering team within the Digital Products Engineering (DPE) organization at GM. Our team is responsible for GM's global B2C and B2B eCommerce solutions for physical products such as Parts & Accessories, as well as backend services supporting GM Energy products including home chargers and charger adapters.
We work closely with the Accessories Marketing and CCA teams to drive online sales through our platform, delivering an end-to-end, scalable, and innovative digital experience. Our mission is to continuously improve the customer experience, expand to new business lines, and explore marketplace opportunities.
The Role
As a Senior Development Engineer, you will lead the design and development of next-generation applications, shape user experiences, and mentor engineers. You will play a critical role in planning, design, architecture, and execution-helping GM deliver seamless digital commerce for millions of customers worldwide.

• Lead the design, development, and optimization of user interfaces for GM's eCommerce and energy solutions.
• Write secure, scalable, and maintainable code with unit testing, automation, and CI/CD validation.
• Weigh architectural trade-offs, applying synchronous and asynchronous design patterns.
• Mentor junior engineers, lead code reviews, and establish engineering best practices.
• Collaborate with product managers, architects, and engineers to deliver seamless customer experiences.
• Drive backend API and SQL performance optimization, ensuring high availability and reliability.
• Create and manage documentation deliverables including technical specifications, data mapping, and workflow diagrams.

Your Skills & Abilities (Required Qualifications)

• Bachelor's degree in Computer Science or related field, or 8+ years equivalent work experience.
• 5+ years of experience in full-stack development with a focus on eCommerce fulfillment, order management, and third-party integrations.
• 3+ years contributing to architecture, documentation, and system design.
• Proficiency in Test Driven Development (unit tests, automation test cases, CI/CD validation).
• Experience with Java, Java Frameworks, messaging systems, IBM/Atlassian products, Azure services, and CI/CD platforms.
• Strong understanding of GraphQL, microservices, RESTful APIs, and webhooks.
• Demonstrated ability to debug, test, and deliver production-quality solutions.
• Enthusiasm for influencing engineering culture and mentoring others.

What Will Give You a Competitive Edge (Preferred Qualifications)

• Master's degree in Computer Science or related field.
• 8+ years of experience in full-stack development.
• 5+ years of architectural and system design experience.
• Expertise with eCommerce platforms (OMS, inventory, payments, CMS, CRM, analytics, optimization).
• Familiarity with observability tools (Datadog, Kibana) and automation tools (Playwright, BrowserStack).
• Hands-on experience with IBM OMS Sterling, Kafka, IBM MQ, Pulsar, Azure Topics.
• Proficiency in ReactJS, NextJS, and modern JavaScript (ES2020+).
• Knowledge of multiple back-end languages (C#, Java, Python) and databases (MySQL, MongoDB).
• Experience with Shopify builds, integrations, and template modifications.
• Strong mentoring and coaching background.

About GM
Our vision is a world with Zero Crashes, Zero Emissions and Zero Congestion and we embrace the responsibility to lead the change that will make our world better, safer and more equitable for all.
Why Join Us
We believe we all must make a choice every day - individually and collectively - to drive meaningful change through our words, our deeds and our culture. Every day, we want every employee to feel they belong to one General Motors team.
Total Rewards | Benefits Overview
From day one, we're looking out for your well-being-at work and at home-so you can focus on realizing your ambitions. Learn how GM supports a rewarding career that rewards you personally by visiting Total Rewards resources.
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.
We encourage interested candidates to review the key responsibilities and qualifications for each role and apply for any positions that match their skills and capabilities. Applicants in the recruitment process may be required, where applicable, to successfully complete a role-related assessment(s) and/or a pre-employment screening prior to beginning employment. To learn more, visit How we Hire.
Accommodations
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