# JayR Castro - Full Portfolio
## AI/ML Engineer

Website: https://jayrcastro.com
Email: jayrcastro.py@gmail.com
LinkedIn: https://linkedin.com/in/jayrcastro
GitHub: https://github.com/jrcastropy

## Skills
### Python
MediaPipe CV, OpenCV, Tensorflow, Pytorch, MXNet, NLTK, Spacy, Gensim, HuggingFace, Numpy, Pandas, Flask, Boto3 (AWS), Matplotlib, Requests, BeautifulSoup, RestAPI, Web Scraping, PyQT, Tkinter, Pymongo, Scrapy, LangChain, LangGraph, LlamaIndex, Pydantic, Scikit-learn, Keras, FastAPI, Streamlit, Gradio

### Machine Learning
Deepseek, Gemma, OpenAI (API), OpenAI Function Calling, OpenAI Tools Calling, Llama, Llama2, GPT-J, GPT2, GPT3, GPT4, LORA, VICUNA, FLAN-T5, Text Embeddings/Vectors, Sentence Transformers, Semantic/Document Search, Stablediffusion, Facial Recognition, Pose Estimation, Image Recognition / Classification, Object Detection, YoloV3/V4, EfficientNet, DeepLabV3, Facebook Detectron, Transformers HuggingFace, Attention Models, Language Translation Models HuggingFace, Neural Networks, Computer Vision OpenCV, GAN (General Adverial Network), BigGan, StyleGAN, Reinforcement Learning, OpenAI RL Environment GYM, OpenAI Dall-E, OpenAI Clip, Deep Tagging, Deep Fashion, Claude / Anthropic API, Claude Code, Claude AI Agents, MCP Server, OpenClaw, Text to Speech (TTS), Speech to Text (STT), Whisper, Twilio, VAPI, Gemini, Mistral, CrewAI, AutoGen, RAG (Retrieval Augmented Generation), Vector Databases (Pinecone, ChromaDB, Weaviate), MLOps, MLflow, Prompt Engineering, Fine-tuning LLMs, ONNX, Agentic AI, JAX, Google Vertex AI, Amazon SageMaker, Azure Machine Learning, IBM Watson Studio, Comet ML, Weights & Biases (W&B), DVC (Data Version Control), Kubeflow, Apache Airflow, Dagster, Ray, Dask, OpenAI Swarm, Microsoft Semantic Kernel, Haystack, Rasa, Llama 3, Claude 3.5 Sonnet, Cohere API, Qwen, Phi-3, SDXL (Stable Diffusion XL), ControlNet, Flux AI, ComfyUI, Diffusers (HuggingFace), TensorRT, OpenVINO, BentoML, Triton Inference Server, vLLM, Text Generation Inference (TGI), Ollama, OpenRouter, Groq API, Together AI, Replicate, RunPod, RLHF (Reinforcement Learning from Human Feedback), DPO (Direct Preference Optimization), QLoRA, PEFT (Parameter-Efficient Fine-Tuning), DeepSpeed, llama.cpp, Multimodal AI, Vision Language Models (VLMs), LLaVA, GPT-4 Vision, LangSmith

### Cloud
AWS (AMAZON WEB SERVICES), AWS Lambda, AWS Transcribe, AWS Rekognition, AWS Sagemaker, AWS Polly, AWS Bedrock, AWS Route 53, AWS S3, AWS Elastic Beanstalk, AWS EC2, AWS Codepipeline, AWS Lightsail, AWS API Gateway, GCP (GOOGLE CLOUD PLATFORM), GCP Cloud Functions, GCP Cloud Storage, GCP Charts, GCP APIs, Supabase, Supabase Edge Function

### Programming Languages
ReactJS, Typscript, Deno, NodeJS, Jquery, Javascript, Javascript ES6, HTML, CSS, Bootstrap, MySql, Docker, Git, Ajax, GraphQL, Shopify Liquid, MongoDB, PostgresSQL, VB.NET, Java, C++

## Experience
### AI Engineer at Moneydolly - AI Agent (Finn) (2025-2026)
  Built Finn, a multi-autonomous AI Agent for Moneydolly's fundraising platform.
  Finn leverages MCP server for tools, enabling users to create fundraising campaigns instantly, send messages, escalate issues, and answer questions using RAG.
  Integrated Slack notifications for campaign managers and implemented phone call capabilities for seamless user communication.
  Link: https://moneydolly.com/

### AI Engineer at Cooks Florist - AI Phone Assistant (Kayla) (2026)
  Designed Kayla, a SOL-style AI voice agent that answers and places calls, sends texts/emails, and guides customers through Cook's Florist orders.
  I architected an API + MCP toolchain for knowledge, product, deliverability, and payment handoffs so every sub-300-character reply stays accurate, warm, and compliant.
  Link: https://cooksflorist.com/

### AI Engineer at Team Floral (2024 to 2025)
  AI Assistant Development & Website Creation for TeamFloral
  I designed and developed Rosie, an advanced AI assistant for TeamFloral, that automates report generation, internet searching, and web scraping. Rosie processes data using MCP (Machine-Comprehension Processing) and RAG (Retrieval-Augmented Generation), ensuring efficient and accurate information retrieval. The assistant is integrated with MongoDB for robust data storage and management.
  In addition to the backend and AI work, I was responsible for the creation of both the front-end and back-end of the website, ensuring a seamless and responsive user experience.
  As part of the AI development, I fine-tuned a machine learning model on a proprietary dataset called 'Flower and Profits', which is used for advanced analysis and reporting. Furthermore, I implemented and trained a Prophet model, enabling the prediction of sales trends for upcoming months, empowering the business to make data-driven decisions.
  Link: https://teamfloral.com/

### AI Engineer at New Age Media Group (2023 to 2024)
  Developed an advanced audio matching system to identify commercial audio within radio station streams, ensuring accurate playback timing. Implemented a comprehensive Text-to-Speech (TTS) function utilizing AWS Lambda for seamless audio integration.Developed an advanced audio matching system to identify commercial audio within radio station streams, ensuring accurate playback timing. Implemented a comprehensive Text-to-Speech (TTS) function utilizing AWS Lambda for seamless audio integration.
  Link: https://www.linkedin.com/company/namg/

### AI Product Engineer at Zero Company Marketing Performance, USA (2021 to 2023)
  Built an AI Chief Marketing Officer (AICMO) that provides different kinds of marketing tools, from building a marketing plan to creating landing page to ad copies with one push of a button.
  Link: https://www.zerocompany.com/

### Senior Machine Learning Engineer at Boredhumans.com, USA (2021 to 2023)
  Created bunch of AI web applications for boredhumans.com. The website was originally created for people who want to try AI Applications without coding or hassle. Trained models including CV, Text2Audio, Audio2Text, NLP, and LLMs.
  Link: https://boredhumans.com/

### Chief Technology Officer / Machine Learning Engineer at MetrocityAI Start Up, Philippines (2019 to 2022)
  Built Hiring AI that reads CVs using OCR and NLP to compare with Job Descriptions. Also added an Audio-to-Text feature to analyze applicant responses in interviews.
  Link: https://metrocity.ai/

### Machine Learning Developer at Thobias.com (2021 to 2022)
  Developed Photoshoot Selection using Pose Estimation and Learning to Rank. Built a Raw Video to Production pipeline using GANs and Pose Estimation. Also developed Deep Fashion for clothing/accessory detection.
  Link: https://thobias.com/

### Data Scientist / Machine Learning Engineer at Job Tensor UK / DE (2020 to 2021)
  Fine-tuned transformer models to generate occupations from job posts. Used NLP to extract company locations from job descriptions.
  Link: https://jobtensor.com/

### Software Developer / Machine Learning Engineer at Monster Group UK LTD., UK (2020 to 2021)
  Created a web app to detect invoice discrepancies using AI.
  Link: https://www.youtube.com/watch?v=9zaNlxsNuL8

### Software Developer / Machine Learning Engineer at BlickLabor Start Up, Germany (2019 to 2020)
  Built an ML software for automated checkout detecting grocery products in supermarkets.
  Link: https://www.youtube.com/watch?v=YE1oZ6F6sug

### Content Automation Specialist / RPA Developer at Reed Elsevier Share Services, PH (2017 to 2020)
  Built process automation, including 'Nimmer QC Automation' which reduced processing from 1 month to 3 days.
  Link: https://www.reedelsevier.com.ph/

## Projects
### Rolepley.ai (LLM / NLP / ML Engineer)
  AI chatbot platform offering personalized, judgment-free conversations with AI companions. Offers both free and subscription tiers.
  Link: https://rolepley.ai/home

### Articulacy.app (Machine Learning Engineer)
  Web app that improves users’ communication, vocabulary, and argumentation skills.
  Link: https://articulacy.app/

### Equal.AI (Machine Learning Engineer)
  Job Ads website using GPT-3 to neutralize gender bias. Computes applicant-job similarity using Transformer embeddings and vector databases.
  Link: https://equal.ai

### PoliceAuction Chatbot (Machine Learning Engineer)
  Chatbot for PoliceAuctions.com using GPT-3 prompt engineering with memory and embeddings.
  Link: https://sitebots.ai/

### OpenAI Clip and BigGAN Music Video (Machine Learning Developer)
  Project for Yannic Kilcher using OpenAI Clip and BigGAN to auto-generate music videos based on lyrics.
  Link: https://www.youtube.com/watch?v=rR5_emVeyBk

### Reddit Automation (Machine Learning Developer)
  One-click app that scrapes Reddit posts, turns them into creative videos, and auto-uploads to YouTube.
  Link: https://www.youtube.com/watch?v=kn_kasrDSDk

### Machine Learning with only NUMPY (MNIST DATASET) (Machine Learning Developer)
  Trained an ML model on MNIST from scratch using only Numpy without any ML frameworks.
  Link: https://github.com/jrcastropy/ML_using_only_Numpy_MNIST_Dataset/blob/master/MNIST%20Dataset%20using%20numpy.ipynb

## Education
### BS Computer Engineering, Collegio De Montalban (2014)
  Coursework: ['Coursework Programming', 'Datastructure and Robotics']

## Outside Work
- Dad
- Bassist
- Musician
- Woodworker
- Luthier
- Cobbler
- Cat Lover