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Sai21112000/README.md

Hi, I'm Sai Teja Vaidya 👋

Applied AI & GenAI Engineer | Agentic Systems · LangChain · LLM Apps | Computer Vision & Geospatial ML
M.Eng. in ICT — Asian Institute of Technology, Thailand


I’m an applied AI engineer who ships LLM and Agent‑powered systems end‑to‑end — from research ideas to working products.

My background is in AI & Computer vision. At AIT, my thesis on oil palm instance segmentation across 8 UAV altitudes reached 0.77 mIoU and cut annotation time by 80% via an AI Teacher Agent that auto‑labels new data — a practical agentic workflow for image processing.

Recent focus: agentic AI systems that are auditable and constrained, edge vision models under strict latency and power budgets, efficient training of LLMs and small models, and local-first tools for knowledge work.

Open to AI Engineer roles.


Current Focus

🌱  Deepening      : LangChain / LangGraph agentic design patterns, context & harness engineering

🛠️ Tech Stack

Python PyTorch AWS LangChain TypeScript OpenCV HuggingFace Ollama ONNX QGIS ArcGIS

🎯 Featured Projects

Diamond

A customer-facing assistant that answers only from approved airline pages and hands off when the pages do not support the claim.

CareerBot

A bounded Python and MCP toolkit for scoring job fit, preparing verified application artifacts, and tracking state with immutable snapshots. It does not submit applications.

Oil Palm Instance Segmentation (Thesis)

Detection, counting, and canopy biometry of individual oil palms from UAV imagery at multiple ground sample distances (0.03–0.20m).

  • Multi-model comparison: YOLOv8, YOLOv11, Mask R-CNN, SAM hybrids
  • Metrics: precision, recall, F1, IoU, crown geometry errors across 8 altitude levels
  • Agent-in-the-loop annotation (80% labeling time reduction) + generative tiling for synthetic multi-altitude data
  • Live: Oil Palm Instance Segmentation
  • Repo: oil-palm-instance-segmentation

AI Thesis Agent Kit

Multi-agent orchestration system with 9 specialized agents, 6 immutable writing laws, and 90% confidence gate for hallucination control. Built during thesis at AIT to automate research documentation and inference.

Dopamine.Diet

A local-first deep-work dashboard designed to turn progress bars, streaks, and timers into a system for finishing difficult projects.

OpenAI Parameter Golf Reproduction

Reproduced OpenAI's Parameter Golf challenge: H100 training on RunPod with torchrun, FineWeb dataset, and continuous val_bpb tracking. Focus on reproducibility under strict wall-clock constraints.

  • Demonstrates large-scale training orchestration and compute efficiency
  • Repo: parameter-golf

Qualcomm AI Hub LPCVC 2026 — Track 1

Image-to-text retrieval on XR2 Gen 2 proxy (edge device). Achieved Recall@10 ≈ 0.73.

  • Full pipeline: model selection, ONNX export, hardware profiling, dataset curation, inference optimization
  • Demonstrates end-to-end edge ML deployment
  • Repo: LPCVC-2026-track1

What I'm Optimizing For Next

  • Roles where I ship agent systems directly alongside the teams that will run them, not just prototypes handed off after the fact
  • Deepening context and harness engineering practice: getting more out of pretrained models through better system design, not bigger models
  • Building a track record of small, measurable case studies (cost reduced, time saved, accuracy held) rather than open-ended demos
  • Contributing to how agent memory and guardrails get evaluated as production concerns, not afterthoughts

*"Don't just build the model. Build the system that makes the model useful at scale."*

Pinned Loading

  1. sai21112000.github.io sai21112000.github.io Public

    Personal Blog - Documenting my journey

    CSS

  2. oil-palm-instance-segmentation oil-palm-instance-segmentation Public

    6-model comparison: YOLOv8, YOLOv11, Mask R-CNN, Hybrid-SAM on UAV imagery

    Jupyter Notebook