Aagam S.

Senior Full-Stack Engineer | 2,300+ Upwork Hours | 100% Job Success I design clean architectures and take full ownership of the code I ship, from database to UI. I'm a Full-Stack Engineer with 6+ years of experience building high-performance web applications and complex API networks. With a 100% Job Success rate on Upwork, I bridge heavy enterprise backend systems with modern, intelligent automation. ⚡ Core Architecture & Integration Expertise: ● AI & LLM Integration: Embedding OpenAI, Anthropic, or Gemini APIs for secure context retrieval, automated data workflows, and intelligent features. Recently built EduGenius (Praksis.ai), an AI-powered platform that turns question papers into organized, searchable question banks. ● Custom API Architecture: Secure, high-throughput REST and GraphQL APIs from scratch using Java (Spring Boot) and Node.js/Express. ● Third-Party Integrations: Payment gateways (Stripe, PayPal), CRMs, and webhooks with clean failover handling. ● Real-Time UI: WebSockets for live, low-latency dashboards built with Angular and React. 🛠️ The Technical Toolkit: ● Backend: Java, Spring Boot, Node.js, Express.js, Groovy, Gradle, WebSockets ● Frontend: Angular, React.js, Next.js, JavaScript (ES6+), HTML5, CSS3, SASS/LESS ● Databases & Tools: MySQL, MongoDB, PostgreSQL, Firebase, Git, Postman, Jira 🔷 The Senior Standard I Bring: ● Logic-UI Separation: I isolate core logic from front-end components so your platform stays secure, stable, and easy to scale. ● AI-Native Workflow: I use an optimized, AI-assisted workflow to build, test, and audit production-grade code faster. ● Product Ownership: I review specs up front to optimize API costs, remove bottlenecks, and deliver clean code quickly. If you need a hands-on engineer who takes real ownership of your build and executes cleanly, let's connect!