Marving José Juventino Velásquez Rivas

Systems Engineer & Senior Full Stack Developer with a proven track record of architecting enterprise-grade applications, scaling digital platforms, and leading cross-functional development teams. My expertise spans across the entire Software Development Life Cycle (SDLC), delivering secure, high-performance solutions under clean code paradigms (SOLID, DRY, TDD). I excel at managing small to mid-sized engineering teams, leveraging Scrum/Agile methodologies to ensure alignment between technical execution and business timelines. Core Tech Stack: ⚡ Frontend: React 19, Next.js 15 (ISR/SSG), TypeScript, Zustand, TailwindCSS, Framer Motion, ShadCN. ⚙️ Backend & DB: Node.js (Express), TypeScript, C# (.NET), SQL Server, MySQL, Sequelize, Redis, RESTful APIs (Swagger). 🛠️ DevOps & Testing: Jest, Supertest, Git/GitHub, GitHub Actions (CI/CD), TFS, Zod, TanStack Query, Resend.