Slava Chuvalskyi

Develop and maintain scalable Next.js and React components integrated with a headless CMS. Prepare and deliver a production-ready React Native (Expo) mobile application with environment setup, API integration, and iOS deployment via TestFlight. Build AI-assisted (Claude) automation workflows for staged testing, code review, and maintenance-time estimation to reduce deployment risk. Resolve production incidents and third-party integration issues across payments and e-commerce platforms, and lead end-to-end remediation of a client authentication-bypass security compromise including malware removal, dependency patching, credential rotation, 2FA rollout, and forensic log analysis. Run security and dependency audits across multiple clients and develop responsive email templates compatible across clients.

Designed and launched an e-commerce platform from the ground up (architecture, REST APIs, front-end integration). Integrated real-time product updates, payment systems, and user authentication. Implemented Telegram bot automation, enhancing customer engagement and workflows. Streamlined currency exchange features and third-party payment systems, increasing reliability. Refactored legacy systems, reducing load times by 40% and increasing code maintainability.

Architected and launched an e-commerce platform including backend APIs and frontend implementation. Integrated real-time product updates, payment gateways, and authentication systems. Built advanced React component systems integrated with a headless CMS. Developed Telegram bot automation to streamline workflows and enhance customer engagement. Refactored legacy systems to reduce load times by 40% and improve maintainability, and designed and deployed monthly eDM campaigns to improve delivery efficiency and engagement.