Vachana Visweswaraiah

•RAG Platform: Built a production-grade RAG platform that generates German funding application drafts from company websites, funding PDFs/​URL, past examples. •Backend & APIs: Built the system with FastAPI, React/TypeScript, PostgreSQL + pgvector, and OpenAI APIs, implementing idempotent ingestion, scoped vector retrieval, caching, and REST APIs. •Production Ownership: Owned the product from MVP to production, covering authentication, Docker deployment, GitHub Actions CI/CD, and Sentry/PostHog observability

•RAG Knowledge Assistant: Built an internal LangChain-based RAG chatbot for the software team to search Azure DevOps, PDFs, emails, wiki pages, and technical documents, with grounded answers and source links. •Pipeline & Retrieval: Developed the system with Python, FastAPI, Streamlit, OpenAI, and ChromaDB, implementing scheduled ingestion, chunking, embeddings, and hybrid retrieval. •Impact & Delivery: Reducing document lookup time by 30% for an internal team of 20+ engineers.

•Autonomous Driving Benchmarking: Built a multi-dataset benchmarking framework for autonomous driving perception, integrating NuScenes, Waymo, nuImages, and CADCD in PostgreSQL. •Data & Evaluation Pipelines: Developed PyTorch and Open3D pipelines for LiDAR, RGB images, and sensor metadata, enabling weather-aware evaluation for semantic segmentation and 3D object detection. •Data Annotation: Annotated 1,000+ images and video frames from 100+ autonomous vehicle recordings using CVAT and Segment Anything

Conversational AI Solutions: Customized chatbot, virtual assistant, voice AI, and outreach workflows for 20+ enterprise clients, including Aditya Birla, Air India, Cargill, and Wipro. •Integrations & Support: Delivered feature changes, integrations, and production fixes using JavaScript and Python, resolving 1,200+ client tickets with zero escalations. •Knowledge Enablement: Wrote technical handbooks and internal knowledge-base content to improve troubleshooting and delivery efficiency.

Focus: Machine Learning, Deep Learning, Advanced Databases, Cloud Technologies

Focus: Artificial Intelligence, Machine Learning, Software Engineering, Big Data