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waterma1one/README.md
Hi, I'm Aditya Singh. Backend and AI engineer in Pune. I build RAG pipelines and agent workflows. Open to backend, AI and full-stack roles.

Portfolio LinkedIn Email Open to work

name: Aditya Singh
location: Pune, India
focus:
  - RAG pipelines, LLMs and agent workflows
  - Backend and distributed systems
  - Full-stack web apps
previously:
  - Software Engineer @ Stock Unlock (YC W22), 2025-2026
  - Associate Software Engineer @ CDK Global, 2024-2025
  - Software Engineer Intern @ CDK Global, 2023-2024
looking_for: Backend, AI engineering or full-stack roles. Remote or on-site.

Featured projects

Project What it does Stack
docsense Document Q&A backend: hybrid pgvector and full-text retrieval fused with RRF, reranking, cited answers, semantic cache, RAGAS evals Python, FastAPI, pgvector, Celery, Langfuse
cua-computer-use-automation An LLM agent explores a web app once, then the run is compiled into a script that replays without a model, with human takeover Python, Playwright, Pydantic, FastAPI
delta-chat Diffs two revisions of an engineering drawing and answers questions about the changes with citations, or declines Python, OpenCV, Tesseract, BM25, OpenTelemetry
synthsense LangGraph agents triage, diagnose and suggest fixes for incidents, streamed live to the browser over SSE Python, LangGraph, FastAPI, pgvector, React
rtsp-viewer Watch RTSP camera streams in the browser: one FFmpeg process per camera, fanned out to every viewer over WebSockets. Live demo Go, FFmpeg, React, TypeScript
medical-report-ocr-service Turns lab report PDFs into FHIR R4 Observations with LOINC and UCUM codes. Deployed instance Node.js, TypeScript, Express, zod

Stack

Languages and frameworks

Stack

Data and infra

Infra Spark Airflow

AI

LangGraph LlamaIndex OpenAI Pinecone pgvector RAGAS Langfuse

Activity

GitHub stats GitHub streak Contribution snake

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  1. cua-computer-use-automation cua-computer-use-automation Public

    LLM explores a web app once; the trace compiles to a reviewed YAML capability that replays with no model

    Python

  2. medical-report-ocr-service medical-report-ocr-service Public

    Node.js service that OCRs lab reports (PDF or image) and returns the results as a FHIR R4 Bundle

    TypeScript

  3. rtsp-viewer rtsp-viewer Public

    Watch live RTSP camera streams in the browser: Go + FFmpeg backend, fMP4 over WebSockets, React + MSE frontend

    Go

  4. synthsense synthsense Public

    Incident analysis with LangGraph: triage, RAG diagnosis and remediation from logs and screenshots, streamed live

    Python

  5. delta-chat delta-chat Public

    Diff two revisions of a P&ID drawing (PDF, scanned PDF, DXF) into typed changes and chat over them with citations

    Python

  6. docsense docsense Public

    Document Q&A API: Docling ingestion, pgvector hybrid search, reranking, cited answers from a local Ollama LLM

    Python