Principal Application Developer (372)

SUMMARY: The Principal Application Developer is accountable for the design, coding/build, and scale-out of a modern e-commerce platform backend. In this role you will be responsible for the software architecture and development of a custom, robust eCommerce platform able to support a wide array of product catalogs, checkout workflows, and integrations with third-party applications and services to ensure seamless commerce. You will play a key role in ensuring the platform is secure, scalable and reliable to handle high transaction volumes and future growth. DUTIES & RESPONSIBILITIES: Responsibilities include, but are not limited to: Design, build, and maintain the core back-end software architecture for a scalable e-commerce platform. Develop APIs, microservices, and integrations to power front-end applications and third-party services. Implement secure payment systems, inventory management, and order fulfillment logic. Optimize database schemas and queries for high availability and large-scale traffic. Ensure platform compliance with security and privacy standards. Collaborate with front-end developers, DevOps, and product managers to deliver a seamless platform experience. Build automation, CI/CD pipelines, and monitoring tools for system reliability. Proactively identify performance bottlenecks and design scalable solutions. MINIMUM REQUIREMENTS: Bachelor's degree in computer science, software engineering or equivalent experience OR an additional 3 years of specific work experience in lieu of degree 7 years of relevant/technical work experience Strong proficiency in server-side languages Experience with frameworks Proficiency in relational and non-relational databases Experience with JSON, XML, and structured data formats Experience building and consuming RESTful and/or GraphQL APIs Knowledge of microservices architecture, event-driven systems, and containerization Familiarity with cloud platforms Hands-on experience with eCommerce including inventory management, payment gateways, shopping cart logic, and shipping APIs Experience with integrations involving ERP backend systems Understanding of catalog management, inventory, promotions, and multi-vendor systems Will be required to travel 25% PREFERRED REQUIREMENTS: Experience designing distributed systems for high-traffic e-commerce Knowledge of caching, message queues, and search optimization Exposure to headless commerce platforms and API-first architectures Previous experience with large-scale e-commerce builds or SaaS platforms