Senior

#resume #remote #fullstack #typescript #react #nextjs #nodejs #ecommerce Position: Senior / Strong Middle Full Stack Developer Location: Remote (GMT+3) Availability: Full-time / Part-time Experience: 5 years of commercial development Expected salary: from $3000 (negotiable) Contacts: • Telegram: @andrey_kuzmi Professional Profile: Software Engineer focused on Clean Architecture, scalable system design, and performance optimization. Strong experience in building complex frontend ecosystems with React/Next.js and scalable backend services with Node.js. Experienced in modernizing legacy systems, monorepo adoption, and building high-load e-commerce solutions. Key Achievements: • Architecture: Led the migration of 5 separate applications into an Nx monorepo, implementing a shared library system that reduced code duplication by ~40%. • E-commerce & Logic: Optimized Medusa.js discount flows and hierarchical category lookups, improving cart performance for large baskets. • Complex Features: Built a full-scale Design Editor from scratch using advanced canvas logic and modular state management. • Automation: Developed a Storefront Engine that automates shop creation from dynamic configurations, significantly reducing time-to-market. • Performance: Optimized API interactions and data flows, resulting in 30% faster catalog rendering. • Security & QA: Implemented custom MFA and achieved 80%+ test coverage for financial and medical services, significantly reducing production regressions. Tech Stack: • Frontend: React, Next.js, TypeScript, Redux Toolkit, Tailwind CSS, Ant Design, Material UI • Backend: Node.js, Express, Medusa.js, REST API, GraphQL, Clean Architecture • Databases: PostgreSQL, MongoDB, Firebase • Infrastructure: Docker, Nx Monorepo, CI/CD, Portainer • Testing: Jest, React Testing Library Languages: • English: B2+ (Upper-Intermediate) • Russian: Native