React.js, Next.js, Node.js, Fullstack, API, GraphQL, MongoDB, PostgreSQL, MySQL, JavaScript, TypeScript, RESTful, UI, Backend, Frontend, Scalable, Performance, Security, Database, Architecture, Engineering, Computer Science, Full-Stack, Web Applications,

Fullstack developer: Design, develop, and maintain full-stack web applications using React.js, Next.js, and Node.js, building reusable, scalable UI components and backend services. Collaborate with cross-functional teams, work with databases, and ensure high performance, security, and responsiveness. Requires 3-6 years of experience with React.js, Next.js, and Node.js, strong expertise in scalable web applications, RESTful APIs, and database management. Bachelor's degree in computer science or related field.