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DHYEY166/README.md

Dhyey Desai

AI/ML Engineer | RAG & Multimodal Systems | Generative AI

Coding gif

About Me

I'm a graduate from the University of Southern California (MS Applied Data Science, GPA: 3.73), graduated May 2026. I build production-ready AI/ML systems — from RAG pipelines and multimodal recommenders to privacy-first LLM platforms — with deployments at scale on AWS and Spark.

My work spans Retrieval-Augmented Generation (RAG), Multimodal AI, NLP, Computer Vision, and scalable ML deployment. I'm passionate about creating secure, high-impact AI solutions that automate workflows and enhance real-world decision-making.

✦ Achievements

  • Origin Weekend: IMPACT S26 – First Place — USC startup launch sprint organized with Google & TIE Hub – USC Viterbi
  • Teaching Assistant — DSCI 551 (Graduate) & DSCI 351 (Undergraduate), Foundations of Data Management
  • Advanced Deep Learning Research @ NUS — Conducted privacy-preserving facial analysis research; improved model accuracy by 10% and reduced TensorFlow inference latency by 40%
  • AWS Certified Cloud Practitioner

▸ Experience

Starcycle | Data Science Intern (Feb 2026 – May 2026)

  • Built an internal Slack-based assistant for Q&A, summaries, and insights using a RAG architecture with the OpenAI/Gemini API, incremental data sync, a Vue frontend, and PII-redaction safeguards — reducing manual information requests and delivering answers within seconds
  • Led CRM integration planning (API research, webhook architecture, field mapping) and designed a staged sync workflow that validates payloads before production, improving data integrity and cutting sync errors
  • Built national compliance datasets with tiered state coverage, machine-readable exports, late-fee and closure reference indexes, and contributed to a data reconciliation pipeline across internal and third-party systems, enabling faster compliance reporting and reducing manual data-matching effort

Onawa Pet | AI/ML Engineer Intern (May 2025 – Aug 2025)

  • Built RAG system with OpenAI Function Calling + Firebase handling 500+ voice notes, delivering actionable pet health analytics across 3 cross-team dashboards to inform product decisions
  • Developed a multimodal AI pipeline processing 200+ audio files with real-time speech transcription, PDF analysis, and summarization using TensorFlow and Transformers, reducing manual document review time by 60%
  • Created a visualization engine in Scala supporting 12+ chart types with Redis caching, cutting data representation render time by 45% and enabling real-time analytics for 100+ daily queries

Genpact | Generative AI Engineer Intern (Apr 2024 – Jun 2024)

  • Built an AI-powered PO Automation conversational AI to analyze large purchase orders and enable multi-document querying, resulting in streamlined processing and improved data accessibility
  • Designed and optimized prompt sets with GPT-4 and custom evaluation metrics to test system accuracy, relevance, and robustness in production, resulting in higher query precision and more reliable responses
  • Contributed to scalable deployment workflows, improving inference performance and reliability for enterprise use, which led to increased system efficiency and reduced downtime

◆ Featured Projects

⚡ BEACON | Emergency AI for First Responders | Live Demo | View Project

Fine-tuned Gemma 4 E4B (QLoRA via Unsloth, final loss: 0.018) on WHO/SPHERE/IMCI emergency protocols for frontline triage. Supports 6 languages (English, Swahili, Hindi, French, Arabic, Hausa) with auto-detection, voice input, photo triage (GPT-4o vision), and spoken audio guidance. Offline-capable React Native app + Next.js web app. Published model on HuggingFace.

◈ MultiLLM | Intelligent Multi-Model AI System | Live Demo

Privacy-first AI platform with real-time streaming chat, routing across 5+ local Ollama models (Llama 3.2, DeepSeek Coder, Phi3), supporting 10+ file types with semantic chunking. Includes Google OAuth, Redis session management, rate limiting, and GDPR/HIPAA compliance features.

⬡ TeamFlow Enterprise | AI Team Workspace | View Project

AI-powered team workspace built with React + Gemini. Chat, sprint management, meeting recaps, and departmental announcements — all in one place.

◉ EcoNova Guardian | Real-Time Waste Classifier | Live Demo | View Project

Camera-based waste classification app powered by Amazon Nova on AWS Bedrock, providing real-time bin recommendations (Waste / Recycling / Compost). Features smart frame gating to minimize Bedrock calls, confidence-based agent decision modes, feedback capture, and a SQLite analytics dashboard. Deployed on EC2 with FastAPI, nginx, and Let's Encrypt. Built for the Amazon Nova AI Hackathon.

⌬ Yelp Hybrid Recommender (Top 3/120) | View Project

Spark RDD + XGBoost recommender with 40+ engineered features for cold-start and behavioral modeling. Achieved RMSE of 0.9734 on test set using confidence-weighted biases and GLM techniques.

⌗ ChatDB: NL-to-SQL AI Interface | View Project

LLM-powered database visualization tool converting natural language to SQL; supports SQLite, MySQL, PostgreSQL with Matplotlib-based bar, line, and scatter plot generation.

⊞ Skills Snapshot

AI/ML & GenAI

  • RAG & LLMs: OpenAI Function Calling, Gemini API, Claude (Bedrock), Prompt Engineering, Foundation Models, QLoRA Fine-tuning
  • Deep Learning: Transformers, CNNs, RNN/LSTM, Vision Models, Multimodal Pretraining
  • NLP: NER, Sentiment Analysis, Text-to-SQL, Speech Transcription
  • ML Engineering: Model Deployment, Quantization, Optimization, Statistical Modeling, Data Mining

Tools & Frameworks

  • Languages: Python, TypeScript, SQL, Java, C, Scala, Rust
  • Libraries: PyTorch, TensorFlow, Scikit-learn, OpenCV, Pandas, Unsloth, TRL
  • Web: Next.js, FastAPI, Flask, React.js, React Native, Vue.js
  • DBs: Aurora PostgreSQL, MySQL, MongoDB, Firebase, Redis, SQLite, Upstash
  • Cloud & DevOps: AWS (CCP Certified), Bedrock, EC2, Lambda, S3, SQS, SNS, EventBridge, Databricks, Spark RDD, Hadoop, Vercel, Clerk, Sentry, Git

Visual Tools

python tensorflow pytorch react nextjs typescript aws firebase redis

▣ GitHub Analytics

Profile Details

Repos Per Language Most Commit Language

Stats Productive Time

✐ Publications

  • Brain Stroke Detection using ML ModelsIEEE Xplore, Feb 2023
    Read Paper

⊡ Contact & Links

LinkedIn GitHub Kaggle LeetCode HuggingFace


Let's build intelligent, ethical, and impactful AI systems together.

Pinned Loading

  1. dhyeynala/pet-voice-notes dhyeynala/pet-voice-notes Public

    HTML 1

  2. ChatDB ChatDB Public

    Web-based database management platform built with Flask. Upload CSV/JSON/Excel, run SQL queries, visualize data, and get AI-powered query suggestions via Hugging Face.

    HTML 1

  3. yelp-hybrid-recommender yelp-hybrid-recommender Public

    Hybrid recommendation system combining Spark RDD feature engineering and XGBoost regression to predict Yelp business ratings. Achieves RMSE of 0.9745 on the Yelp Open Dataset.

    Python 1 1

  4. goal-manager goal-manager Public

    macOS desktop app for goal tracking with adaptive carryover, daily/weekly/monthly goals, analytics, and local SQLite storage. Built with Electron, React, and Node.js.

    JavaScript 1

  5. teamflow-enterprise teamflow-enterprise Public

    AI-powered team workspace built with React + Gemini. Chat, sprint management, meeting recaps, and departmental announcements — all in one place.

    TypeScript 1

  6. EcoNova-Guardian EcoNova-Guardian Public

    Real-time waste classification using Amazon Nova on AWS Bedrock — point your camera at any item and instantly get a bin recommendation: Waste, Recycling, or Compost.

    Python 1