Principal Software Engineer – Back-end Development

White Cap is a company committed to Building Trust on Every Job through knowledgeable, capable, and dependable associates. The Principal Software Engineer will serve as the technical anchor for connected commerce and operations platforms, architect distributed high-performance backend systems, and guide the technical direction of the Omnichannel IT engineering organization. The role combines strategic system design, hands-on coding and prototyping, delivery of mission-critical software, and mentoring engineers.

Responsibilities:

• Partners with technical leaders to guide long-term technology roadmaps, evaluate emerging technologies, and resolve systemic issues
• Prototypes critical services, reduces technical debt, and develops clean, maintainable, and well-tested code
• Contributes to the design of high-level, distributed, and fault-tolerant backend systems to support large-scale production environments
• Partners with product management, DevOps, and frontend teams to align technical solutions with company-wide goals
• Develops IT strategies and improves existing processes to increase efficiency, streamline workflows, and enhance customer satisfaction
• Coaches engineers, sets high standards for code reviews, and elevates the technical capabilities of the broader team
• Interfaces with senior leadership and communicates complex technical concepts in clear, business-focused language
• Performs other duties as assigned
• Contribute to the design of high-level, distributed, and fault-tolerant back-end systems that support large-scale production environments
• Partner with other technical leaders to guide long-term technology roadmaps, evaluate emerging technologies, and solve systemic issues
• Prototype critical services, refactor tech debt, and write clean, maintainable, and well-tested code
• Coach engineers, set high standards for code reviews, and uplevel the technical capabilities of the broader team
• Partner with product management, DevOps, and frontend teams to align technical solutions with company-wide goals
• Create new IT strategies and improve existing IT procedures to increase efficiency, enhance workflows, and improve customer satisfaction
• Ensure priorities are aligned with organizational goals and customer expectations. Interface with senior leadership and communicate complex technical issues in business language

Requirements:

• • Typically requires a PhD degree and 15+ years of specialized experience in a related field OR MS/MA and generally 10+ years of experience in a related field. Maintains a deep level of technical expertise that drives business and executive decisions
• • Located in a comfortable indoor area. Any unpleasant conditions would be infrequent and not objectionable
• • Most of the time is spent sitting in a comfortable position and there is frequent opportunity to move about. On rare occasions there may be a need to move or lift light articles
• • Typically requires overnight travel less than 5% of the time
• • Mastery of JavaScript/TypeScript, semantic HTML, and modern CSS/CSS-in-JS strategies
• • Production experience with React and Next.js (SSR/ISR, routing/app router, middleware, caching/CDN strategies) and a Node.js/TypeScript BFF
• • Extensive experience with modern JS frameworks (such as React, Vue, or Web Components)
• • Proven track record configuring build tools (e.g., Vite, Webpack), package management (npm, monorepos), and CI/CD pipelines
• • Experience building real-time/event-driven systems on Azure middleware (Event Grid, Service Bus/Event Hubs, Functions/Durable Functions, Logic Apps, API Management, Azure SignalR), including idempotency, retries/DLQs, backpressure, and observability
• • Expertise building secure, observable services (authN/Z, OAuth/SAML/SSO; OpenAPI; monitoring/alerting; distributed tracing)
• • Built or migrated headless commerce experiences; strong command of API-first and composable architecture and middleware integrations