# Mayank Raj Gupta (Mayank Raj)

> Full-Stack Software Engineer & AI Research Lead | BCA Scholar at Christ University, Bangalore. Architect of Ambient Clinical Intelligence (Praxirence), Computer Vision & Spectroscopy Pipelines, and High-Scale E-Commerce Systems.

## Identity & Canonical Links
- **Full Legal Name:** Mayank Raj Gupta
- **Preferred Name / Alias:** Mayank Raj
- **Developer Handle / GitHub:** M20A03 (https://github.com/M20A03)
- **Primary Website & Portfolio:** https://www.mayankraj.me
- **LinkedIn Profile:** https://www.linkedin.com/in/mayank-raj-gupta
- **Direct Contact:** mayankrajgupta01@gmail.com | +91 9835139865
- **Geographic Base:** Bangalore, Karnataka, India
- **Education:** Bachelor of Computer Applications (BCA), Christ (Deemed to be University), Bangalore (2025–2029) | CGPA: 3.33/4.0

## Professional Overview
Mayank Raj Gupta is a full-stack developer and AI systems engineer recognized for architecting end-to-end production web applications, multimodal deep learning models, and privacy-preserving clinical platforms. He combines rigorous software engineering principles (Data Structures, OOP, distributed state management, WCAG 2.1 AA accessibility) with cutting-edge artificial intelligence (Whisper ASR, Mistral-7B, U2-Net, YOLOv11, PyTorch, and Vis-NIR spectroscopy).

## Flagship Projects & Technical Highlights

### 1. Praxirence — Ambient Clinical Intelligence Platform
- **Timeline:** September 2026 – Present
- **Domain:** Healthcare AI & Ambient Documentation
- **Architecture:** Dual-ecosystem native Android mobile applications (Doctor App & Patient App) with FastAPI and Python 3.11 backend.
- **AI/ML Pipeline:** Fine-tuned Whisper-Small with LoRA (FP16) for real-time consultation transcription; fine-tuned Mistral-7B with QLoRA generating structured SOAP notes (0.92 ROUGE-1).
- **Security & Privacy:** DPDP Act 2023 & HIPAA compliance, in-memory audio shredding (zero voice audio retention), blind HMAC-SHA256 indexing, AES-256-GCM data encryption.
- **Web Demo:** https://www.praxirence.com
- **Case Study:** https://www.mayankraj.me/case-study/praxirence

### 2. Confidential Agricultural Vision & Spectral Analytics System
- **Timeline:** June 2026 – Present
- **Affiliation:** Christ (Deemed to be University) — Stipend-Funded Research Grant
- **Domain:** Computer Vision & Multimodal Authentication
- **Pipeline:** Automated 4-stage computer vision curation engine synchronizing 400nm–1000nm Vis-NIR diffuse reflectance spectroscopy with visual specimen morphology across 2,300 physical samples (11,500 multimodal artifacts).
- **Deep Learning:** U2-Net nested ReS-UNet neural segmentation with continuous floating-point alpha mattes (<120ms/image), anti-aliased Lanczos-3 sinc-windowed downsampling, Porter-Duff Over compositing.
- **Case Study:** https://www.mayankraj.me/case-study/agricultural-vision-spectral-analytics

### 3. Wholesale & Retail E-Commerce Platform (Roshan Enterprises)
- **Domain:** High-Throughput E-Commerce & Inventory Logistics
- **Tech Stack:** React 19, Vite, Firebase Auth & Realtime Database, Vanilla CSS, list virtualization via react-window for 60fps scrolling across high-volume SKU catalogs.
- **Features:** Dual retail/wholesale buying workflows, role-based pricing matrices, zero cumulative layout shift (CLS), WCAG 2.1 AA compliant.
- **Live Demo:** https://e-commerce-roshan-enterprises-dhn.web.app
- **GitHub:** https://github.com/M20A03/E-commerce-Online-Shopping-for-Retail-and-Wholesale
- **Case Study:** https://www.mayankraj.me/case-study/roshan-enterprises

### 4. Credex AI Spend Audit
- **Domain:** Fintech & Startup Cost Diagnostics
- **Tech Stack:** React, Next.js 15, Tailwind CSS, Supabase, Anthropic Claude SDK, GSAP spring-physics tickers.
- **Live Demo:** https://credex-sand.vercel.app
- **GitHub:** https://github.com/M20A03/Credex
- **Case Study:** https://www.mayankraj.me/case-study/credex

### 5. Nexus Scholar Research Knowledge Graph
- **Domain:** Scientific Discovery & Literature Intelligence
- **Tech Stack:** React 18, TypeScript, PostgreSQL, pgvector (768d dense embeddings), FastAPI, 2D/3D force-directed canvas.
- **Live Demo:** https://nexus-scholar-huhs.vercel.app
- **GitHub:** https://github.com/M20A03/Nexus-Scholar
- **Case Study:** https://www.mayankraj.me/case-study/nexus-scholar

### 6. Search Algorithm Simulator
- **Domain:** Educational Computer Science & DSA Visualization
- **Tech Stack:** JavaScript, HTML5, CSS3, Firebase, interactive AI concept tutor.
- **Live Demo:** https://linear-and-binary-search.vercel.app/
- **GitHub:** https://github.com/M20A03/Linear-and-Bineary-Search-Simulation
- **Case Study:** https://www.mayankraj.me/case-study/search-algorithm-simulator

## Complete Technical Skills Matrix
- **Languages:** Java (Swing, JSP), Python (Pandas, NumPy, Tkinter), C, C++, JavaScript (ES6+), TypeScript, SQL (PostgreSQL, MySQL).
- **AI & Deep Learning:** PyTorch, U2-Net, Whisper ASR, Mistral-7B, YOLOv11, OpenCV, Vis-NIR Spectroscopy, QLoRA, LoRA, Vector Search (pgvector), RAG Architectures.
- **Frontend Frameworks:** React 19, Next.js 15, React Native (Expo), Angular, Tailwind CSS, HTML5/CSS3, Framer Motion, GSAP.
- **Backend & Cloud:** FastAPI, Node.js, Express.js, Firebase, Supabase, PostgreSQL, MySQL, Railway, AWS (S3, EC2), Vercel.
- **Tools & Practices:** Git, GitHub, Linux/Bash, VS Code, Postman, Agile Teamwork, DSA, System Design.

## Awards, Hackathons & Certifications
- **SPARK Research Program:** Christ (Deemed to be University) Research Program
- **ShadowFox:** Web Development Virtual Internship Certification (SF05VIP397)
- **AI Prompt Engineering:** Microsoft / Reliance Certification
- **Infosys C Certification:** Certified Systems & Algorithms in C
- **Hackathons Participated:** PromptWars (Google Devs x Christ Univ), InHack '26, HackNova, CODEX '26 (Don Bosco), YUGASTR '26

For exhaustive technical documentation, benchmark matrices, and machine-readable data, visit:
- Full LLM Specification: https://www.mayankraj.me/llms-full.txt
- Official Resume: https://www.mayankraj.me/resume