Leading end-to-end development of scalable web and mobile applications using React.js, Next.js, React Native (iOS & Android), and Node.js. Architecting full-stack systems with REST APIs, backend services, and database design across MongoDB, Firebase, and SQL. Managing app lifecycle and deployments to Apple App Store and Google Play Store, while integrating AI chatbots and voice agents using OpenAI and Gemini APIs. Driving architecture decisions, CI/CD workflows, and team mentorship to deliver high-impact SaaS features.

Trained and fine-tuned LLMs for front-end and full-stack development tasks. Built prompt pipelines to improve React, Vue, and Next.js code generation quality, evaluated outputs for correctness and production relevance, and created reference implementations for model validation. Worked closely with AI researchers to improve context understanding in Tailwind CSS, Node.js, and TypeScript workflows.

Developed responsive, user-friendly front-end components with React.js, react-hook-form, yup resolver, react-query, and Tailwind CSS. Built features for Compass using Vue Nuxt to track sales across Amazon, Qoo10, Walmart, and Shopify. Delivered API integrations, web scraping tooling with Node.js and Puppeteer, and performance-focused UI improvements while supporting collaborative engineering workflows on GitHub and Slack.

Built SayEagle, a property management platform with role-based portals for managers, admins, tenants, and vendors. Led front-end delivery with React.js and backend services with Node.js + Firebase Functions. Managed real-time data using Firestore, secure authentication, and serverless APIs. Collaborated with cross-functional teams and mentored junior developers to maintain high-quality delivery standards.

Delivered large-scale products including task management and employee monitoring systems. Contributed to CNBC as a frontend team member and helped design scalable client/server architecture, database workflows, and responsive application features. Regularly handled debugging, upgrades, and performance optimization across projects.