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kalainilavan314/README.md

Hi, I'm Suthan Kalainilavan 👋

AI & Machine Learning Engineer · Jaffna, Sri Lanka · Available for remote and freelance work

Email LinkedIn

I design, build and deploy production AI systems end to end - the RAG pipeline, the FastAPI backend, the container, the reverse proxy and the TLS certificate. Not demos: chatbots grounded in an organisation's own documents, automation that generates leads at scale, and APIs that teams depend on daily.

Currently a Digital Transformation Engineer (AI) at INVORG, building AI applications for municipal-government and non-profit clients. Also founder and director of AIRRA Innovation, a robotics and AI education academy in Jaffna.

  50,000+  B2B/B2G leads generated by scraping pipelines I built
       8   systems shipped
   Azure   production deployments behind nginx + TLS
   3+ yrs  building AI and embedded systems

🚀 Featured projects

Project What it is Stack
Multi-Tenant RAG Document Intelligence Production RAG platform answering questions from an organisation's documents with cited sources, serving many tenants from one backend FastAPI · Qdrant · Redis · Azure Blob · JWT
Embeddable AI Knowledge Assistant One-line-embed website chatbot grounded in company content, deployed on Azure FastAPI · Qdrant · Docker · nginx
LexSL - AI Legal Research Assistant Citation-backed legal research over statutes and judgments, with similar-case search LangChain · Qdrant · PostgreSQL · OCR · React
Voice-Controlled Study Assistant Hands-free Raspberry Pi device answering spoken questions from a student's own notes Raspberry Pi · Vosk · Piper · Qdrant · Gemini
Marketing 360 Dashboard Single operational view of campaigns, channels, team and activity React · TypeScript · Node/Express · PostgreSQL
Leave Management & Approval Workflow Five-stage audited HR approval engine with SLA timeouts and auto-approval FastAPI · Next.js 14 · PostgreSQL · SQLAlchemy
Municipal Code Scraper Turns sprawling legal-code HTML into analysis-ready Excel and JSON Python · BeautifulSoup · lxml · openpyxl
Cold-Email Optimizer + Lead Gen Self-improving champion/challenger email engine fed by 50,000+ scraped leads Python · Instantly API · Gemini
Plastic Detection (YOLOv11 on Pi) Real-time on-device plastic-waste detection for waste management YOLOv11 · Roboflow · Raspberry Pi
Smart Refrigerator Vision Inventory Zero-input food inventory using detection and tracking OpenCV · object detection · tracking
Gas Leakage Detection & Alerting Arduino + GSM safety system with instant SMS alerts Arduino · GSM · sensors

🛠 Tech I work with

Generative AI & LLMs — OpenAI · Gemini · LangChain · Llama 2 · RAG · prompt engineering

ML & Computer Vision — TensorFlow · PyTorch · Keras · scikit-learn · YOLO · OpenCV

Backend & APIs — Python · FastAPI · REST design · Pydantic · multi-tenant architecture · Node/Express

Data & Automation — web scraping · data cleaning · lead generation · Instantly API

Databases & Vector Stores — Qdrant · Redis · PostgreSQL · SQL · Azure Blob Storage

Cloud & DevOps — Azure · AWS · Docker · Docker Compose · nginx · Linux/Ubuntu · CI/CD · Git

Embedded & Robotics — ESP32 · Raspberry Pi · Arduino · sensor integration

💼 What I can build for you

  1. A custom RAG chatbot for your website - answers from your documents, with citations, one-line embed.
  2. Any website scraped into clean Excel/CSV/JSON - leads, catalogues, legal and government data, research datasets.
  3. A production FastAPI backend - async endpoints, Pydantic validation, JWT auth, PostgreSQL, Dockerised and deploy-ready.
  4. Automated lead-gen and cold-email systems - targeted scraping plus A/B-tested copy and deliverability setup.

🎓 Certifications

Machine Learning Specialization (Stanford) · Deep Learning Specialization (DeepLearning.AI) · Generative AI with LLMs (DeepLearning.AI & AWS) · MLOps Fundamentals (Google Cloud) · AI for Everyone · Cisco CCNA (University of Moratuwa) · AWS Academy Cloud Foundations · Huawei HCIA-Cloud Computing V4.0

📫 Get in touch

Languages: English · Tamil · Sinhala

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