Description: 5\+ years of software development experience Proven experience leading projects or teams technically Architecture and Patterns: \- Proficiency in Clean Architecture \- must be able to implement and explain the layers \- Proficiency in SOLID \- must be able to apply each principle in practice * Various Design Patterns * Domain-Driven Design (DDD) is a plus Backend: * Proficiency in Node.js, TypeScript, and Nest.js * Solid experience with PostgreSQL (query optimization, indexing, performance) * In-depth knowledge of ORMs * Experience with microservices and distributed architecture Frontend: * Solid experience with React.js and Next.js (SSR, SSG, App Router) * State management (Context API, Redux, Zustand) * Web application performance and optimization 251207020219733691