Backend Engineer

We're hiring a Backend Engineer to own and evolve our Backend-for-Frontend (BFF) layer powering mobile commerce at scale. This is a hands-on role focused on building, improving, and operating serverless backend services that support the mobile app and integrate with Salesforce Commerce Cloud.

Responsibilities:

• Own and develop the BFF layer for a high-traffic mobile commerce platform

• Design and build APIs that are optimized for mobile client consumption

• Implement and improve key backend services across auth, catalog, cart, and checkout

• Drive improvements in performance, reliability, observability, and security

• Work on caching, payload optimization, cold start reduction, and cost efficiency

• Support production operations, incident troubleshooting, and root cause analysis

• Partner with mobile, platform, and SRE teams on architecture, deployments, and service improvements

Requirements:

• 3–5 years of backend engineering experience

• Strong experience with Node.js and TypeScript

• Experience building and operating AWS serverless applications in production

• Good understanding of Infrastructure as Code (preferably AWS CDK)

• Experience with API design, distributed caching, and backend performance optimization

• Familiarity with production systems, monitoring, and debugging

• Experience with ECommerce, consumer products, or high-traffic platforms is a plus

• Comfortable owning a platform area and improving existing systems over time

• Experience with Salesforce Commerce Cloud / SCAPI

• Exposure to Sanity or other headless CMS platforms

• Familiarity with CloudWatch, tracing tools, and observability patterns

• Experience supporting mobile-first architectures