Arunbalaji P.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

I'm Arunbalaji, an AI Full Stack Developer specializing in building intelligent web applications that combine modern frontend/backend development with real-world machine learning. What I bring to your project: ✅ Full Stack Development — React.js, Node.js, Flask, PostgreSQL, REST APIs ✅ AI & ML Integration — CNN, BERT, DistilBERT, NLP, Computer Vision ✅ MLOps & Cloud — AWS (S3, Lambda, SageMaker), Docker, CI/CD pipelines Projects I've shipped: 🔹 Mental Health Tracker — AI-powered sentiment analysis app using fine-tuned DistilBERT, Flask, PostgreSQL & JWT 🔹 Pneumonia Detection App — CNN-based chest X-ray classifier with React + Flask (82% accuracy) 🔹 End-to-End MLOps Pipeline — Automated retraining & deployment on AWS SageMaker with CI/CD I also worked on a live research project at NIT Trichy on acoustic side-channel attacks, where I improved model accuracy by 18% and cut processing time by 25%. I'm detail-oriented, deadline-driven, and communicate clearly throughout every project. Whether you need an AI feature added to your app, a full web platform built from scratch, or an ML model deployed to production — I've got you covered. Let's build something great together!