Sergey Moshkanov

Developed a shipping API integration tool (Shipero) supporting DHL, FedEx, USPS, and more; built customer UI, admin UI, and backend services for rate lookup, label generation, and shipment processing. Created an e-commerce platform with a custom CMS and storefront using Next.js, Payload CMS, MongoDB, and TypeScript. Built a ticket/event management platform allowing event creation, seat map drawing, and ticket sales with admin dashboards. All projects involved full-stack development, API design, secure user authentication, and integration of complex third-party services.

Led full-stack development on a customer retention platform for e-commerce businesses, leveraging AI to optimize post-purchase engagement and reduce churn. Built scalable web features using TypeScript, React, and Node.js, integrating AI-powered analytics and automation tools. Deployed services on Google Cloud Platform (GCP), managing cloud functions and data storage integrations. Designed and implemented an internal tool for data normalization, deduplication, and structured storage, used by marketing and sales teams for campaign targeting. Contributed to the development of core product APIs and tailored custom implementations for enterprise clients. Oversaw pull requests, provided technical guidance, approved and merged code changes, and managed deployments.

Participated in refactoring and maintenance of a modular frontend UI component library, implementing a new design system across the application. Contributed to theme customization and consistency across multiple insurance product interfaces. Developed and integrated UI flows for purchasing and claiming insurance products, including UI configuration, data mapping, and API integration. Built and maintained TypeScript-based components and backend integrations using Node.js to ensure synchronized data flow between frontend and backend services.