Principal Backend Engineer
MMD ServicesAddison, IL, USjob_description.job_card.variable_days_ago
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job_description.job_card.job_descriptionContribute to and review services built using Java, Node.js, or TypeScript, focusing on clean architecture and cloud-native patterns. Support the shift to containerized services orchestrated via Kubernetes. Design and implement integrations with SAP S / 4HANA and other ERP systems for seamless backend commerce data flow. Ensure integration layers follow resilient, scalable design using asynchronous patterns where appropriate. Embed operational excellence through ITSM-aligned development (e.g., bite-sized, traceable, and auditable changes). Promote observability, deployment hygiene, and maintainability of backend services. 10+ years of backend engineering experience, with strong emphasis on eCommerce systems Deep expertise in Java and / or Node.js , along with TypeScript in backend contexts. Solid understanding of API gateway architecture containerization , and Kubernetes Ability to design and guide systems in cloud environments, with a cloud-native mindset Strong knowledge of search engines (e.g., Solr, OpenSearch) and experience fine-tuning relevancy models. Familiarity with personalization technologies , AI-driven recommendations, and user segmentation strategies. Comfortable working with COTS vendors or building platform components in-house from scratch. Mid-Senior level Full-time Engineering and Information Technology Industries : Retail and Transportation, Logistics, Supply Chain and Storage
This range is provided by MMD Services. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.
Base pay range
$150,000.00 / yr - $170,000.00 / yr
Our client is seeking a Principal Backend Engineer to help lead the transformation of a monolithic SAP Hybris system into a modern, cloud-native, and personalized commerce experience. This role blends deep backend engineering knowledge with architectural thinking, ERP integrations, and a strong product mindset.
SAP Hybris Experience is not required for this role
You will play a key part in reimagining how backend services are exposed and extended via APIs, enabling dynamic personalization and performance tuning. Working closely with cross-functional leaders, this role will influence platform design, vendor evaluations, and the long-term roadmap for a scalable, user-tailored commerce system.
Responsibilities
- Architect scalable backend services to decouple SAP Hybris and Commerce Cloud components from monolithic patterns.
- Lead decision-making around commercial off-the-shelf (COTS) solutions vs. custom build options (e.g., evaluating tools like Bloomreach for experience layer integrations).
- Define patterns and standards that enable AI-driven personalization capabilities atop an API-first commerce architecture.
Service Design & Implementation
ERP & System Integrations
Core Requirements
Seniority level
Employment type
Job function
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Inferred from the description for this job
Medical insurance
Vision insurance
401(k)
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Backend Engineer • Addison, IL, US
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