Backend Engineer
charles & keith (singapore) pte. ltd. • geylang, central region • Posted June 11, 2026
About the Role
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 TypeSc...
: . 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 TypeSc...