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JoshPola96/README.md

Hi 👋, I’m Joshua Peter Polaprayil

🚀 **AI / ML Engineer · Full‑Stack AI Developer · Backend Engineer (AI/Data‑focused)** 🌍 Open to work globally · 💼 Open to freelance / contract / full-time roles · 🤝 Open to collaboration & mentorship

🧠 About Me

I’m a junior AI/ML engineer with strong end‑to‑end system experience, holding an MSc in Big Data Analytics & Artificial Intelligence. I specialize in building production‑ready AI systems — from research and model development to APIs, infrastructure, CI/CD, and deployment.

I’ve worked across deep learning, agentic RAG systems, data engineering, and backend platforms, and I currently operate as a freelance AI engineer under Esimtime, where I design and deliver real‑world AI solutions independently.


💼 What I Do

  • Design and build end‑to‑end AI/ML systems (research → model → API → deployment)
  • Develop agentic & RAG‑based architectures using LangChain, LangGraph, and custom orchestration
  • Build scalable backend services with FastAPI, Flask, NestJS, and .NET
  • Implement MLOps pipelines with Docker, CI/CD, monitoring, and retraining strategies
  • Work hands‑on with computer vision, NLP, and deep learning in real production contexts

🧭 Experience Highlights (Selected)

  • Freelance AI Engineer — Esimtime Architected and delivered a production‑grade multi‑agent AI customer assistant with RAG, APIs, CI/CD, Dockerized zero‑downtime builds, and secure deployment.

  • Enterprise‑Scale MLOps Project (Open Source) Built a self‑healing bankruptcy prediction system with automated training, monitoring, and retraining pipelines.

  • AI Intern — Computer Vision & ADAS Customized YOLO‑based models, engineered training optimizations, and built API‑ready ML pipelines for real‑time insights.

  • Junior Software Engineer — Financial Systems Contributed to enterprise bank loan decision engine using C#/.NET applications with SQL Server, debugging production workflows and supporting live deployments.


🧰 Tech Stack

🤖 AI / Machine Learning

Python · PyTorch · TensorFlow · scikit‑learn · Transformers (BERT, BioBERT) · LangChain · LangGraph · RAG · NLP · Computer Vision (YOLOv8, OpenCV, OCR)

🧠 Data & Analytics

Pandas · NumPy · PySpark · Databricks · Feature Engineering · Clustering · Regression · Data Visualization

⚙️ Backend & APIs

FastAPI · Flask · NestJS · .NET Core · REST APIs · JWT Auth · SQLAlchemy · Prisma

🧩 MLOps & Infrastructure

Docker · Docker Compose · GitHub Actions · CI/CD · Model Monitoring · Retraining Pipelines · Celery

☁️ Cloud & DevOps

AWS · Google Cloud Platform (GCP) · Linux · Secure Deployments · Environment Management

🖥️ Frontend & Apps

Streamlit · React · TypeScript · HTML · CSS · Bootstrap

🗄️ Databases

PostgreSQL · SQLite · SQL Server · Vector Databases


📌 Featured Work

My pinned repositories highlight industry‑grade systems, including:

  • Agentic RAG chatbots
  • Enterprise MLOps pipelines
  • Computer vision & deep learning systems
  • Full‑stack AI applications

Each repository reflects real design decisions, trade‑offs, and production considerations — not toy demos.


🌍 Find Me Elsewhere

📄 Resume: (PDF link coming soon) 💼 LinkedIn: https://www.linkedin.com/in/josh33-peter10/ 🐙 GitHub: https://github.com/JoshPola96

GitHub followers GitHub stars


⭐ If you’re a recruiter, collaborator, or founder — feel free to explore my repos or reach out. I’m always happy to talk about systems, trade‑offs, and ideas.

Pinned Loading

  1. dissertation-racism-detection-bert-cnn-bilstm dissertation-racism-detection-bert-cnn-bilstm Public

    This work presents a multi-modal neural network for detecting racism in text and numerical data, combining BERT embeddings, CNN, biLSTM, and dense neural networks. The project emphasizes bias mitig…

    Jupyter Notebook 3 2

  2. company-bankruptcy-prediction-mlops company-bankruptcy-prediction-mlops Public

    End-to-end MLOps pipeline predicting company bankruptcy with automated retraining, monitoring, and production-grade model deployment.

    Jupyter Notebook 3 3

  3. ai-assistant-hub-langgraph ai-assistant-hub-langgraph Public

    AIAssistantHub-LangGraph orchestrates specialized agents to solve user queries across RAG-based QA, translation, and utility tasks. Built with Streamlit for interface and Python for backend, it dem…

    Python

  4. medical-chatbot-biobert-transformer medical-chatbot-biobert-transformer Public

    Medical AI chatbot using BioBERT and custom Transformer for Q&A, deployed with Streamlit for interactive research-grade insights.

    Python

  5. agentic-rag-chatbot-mcp agentic-rag-chatbot-mcp Public

    Agentic-RAG-Chatbot-MCP implements a multi-agent chatbot leveraging Retrieval-Augmented Generation (RAG) to interact with diverse document types. The system maintains a persistent knowledge base, s…

    Python

  6. heart-attack-data-pipeline heart-attack-data-pipeline Public

    End-to-end data engineering pipeline for analyzing heart attack prediction in Indonesia. Automates data ingestion, transformation, and visualization using GCP (Terraform, BigQuery, Cloud Storage), …

    Shell