Ryan A.

👨‍💻 AI Engineer | Top Rated Plus (Top 3% Freelancer on Upwork) With 4+ years of professional experience, I specialize in building and deploying advanced AI solutions across multiple domains, including Computer Vision, Natural Language Processing (NLP), and Deep Learning. As a Top Rated Plus freelancer, I’ve delivered high-impact systems using LLMs, Generative AI, and RAG pipelines that have transformed sectors like medicine, academia, legal tech, and enterprise automation. I’ve worked with industry leaders such as LawnStarter, Metopio, and several U.S.-based contractors, building AI Agents, intelligent chatbots, and scalable ML solutions using state-of-the-art tools like LangChain, GPT-4, and OpenAI API. 🛠️ Skills & Expertise Programming Languages: Python Frameworks: TensorFlow, Keras, PyTorch Libraries: OpenCV, Matplotlib, Pandas, NumPy, Scikit-Learn, PIL, Tesseract, EasyOCR, PaddleOCR AI Techniques: • EDA & Dataset Preprocessing, Transfer Learning, Model Fine-Tuning • Machine Learning (SVM, KNN, Regression, Decision Trees, Random Forest, Ensemble, Time Series) • Deep Learning (ANN, CNN, YOLO, LSTMs, RNNs, Vision Transformers) • OCR, Generative Models (Stable Diffusion, DALL·E, StyleGAN, LoRA, Inpainting) • Text-to-Speech & Speech-to-Text • LLMs (LangChain, GPT-4, LLaMA, BERT, Mistral, Gemini, Prompt Engineering, OpenAI API, LLM Fine-Tuning, RAG, RLHF) • NLP (Spacy, NLTK, NER, TF-IDF, word2vec) Tools & APIs: Anaconda, Docker, GitHub, Flask, FastAPI UI & Frontend: Streamlit, HTML/CSS, JSS, Webflow Cloud Platforms: GCP (Vertex AI, BigQuery, AutoML), AWS (SageMaker, Lambda, EC2, Rekognition), Azure (Azure OpenAI, Cognitive Services, ML Studio) Databases: Vector Databases (Pinecone, ChromaDB, Weaviate), SQL (PostgreSQL, MySQL), MongoDB Operating Systems: Windows, Linux, macOS 💻 Highlighted AI Projects 🔍 Retrieval-Augmented Generation (RAG) & Large Language Models (LLMs) 1. Enterprise RAG Pipeline – Boosted document discovery and response accuracy using vector databases and fine-tuned LLMs 2. Multimodal Virtual Assistant – Text, image, and speech integration using Vertex AI 3. Invoice Extraction System – Automated document parsing with GCP Document AI and Azure Form Recognizer 4. Legal Summarizer Bot – Deployed contract understanding model using Azure OpenAI and LangChain 5. Domain-Specific Chatbots – Built healthcare and finance bots with OpenAI API and GPT-4 6. Internal Knowledge Assistant – RAG-based tool for enterprise search and Q&A 7. Customer Support AI Agent – Built with LangChain, LLM routing logic, and AWS Lambda 8. Resume Screening Engine – NLP-powered ranking system using fine-tuned LLMs 9. Legal Risk Analyzer – Clause and obligation extraction from contracts using Document AI 📷 Computer Vision & Generative AI 1. Face Liveness Detection – Real-time anti-spoofing using CNNs + Vision Transformers 2. License Plate Recognition (ANPR) – OCR-based tracking with YOLOv8 and AWS 3. Skin Lesion Detection – TensorFlow model for medical imaging 4. Handwriting OCR – Intelligent text extraction using Tesseract + OpenCV 5. Image Generation App – Built with Stable Diffusion and Streamlit 🚀 Key Strengths • Clean, production-ready code • Transparent and timely communication • Deep attention to detail • Strong grasp of generative modeling workflows • Top Rated Plus | 100% Job Success | $80K+ earned 🤝 Why Work With Me? 📈 Scalable Solutions – Future-proof architecture using best AI practices 💬 Clear Collaboration – Frequent updates, client-first mindset 🔍 Results-Driven Delivery – I aim to exceed expectations with each project 🧠 End-to-End Ownership – From data pipelines to model deployment ✨ Let’s Collaborate Whether you’re building a GPT-4-powered chatbot, a RAG search assistant, or want to integrate LangChain Agents or Generative AI into your stack — I’m here to help. Let’s build something impactful.