PinnedInData Science CollectivebySai Abhinav Parvathaneni·Jul 9, 2025Building a Customer Service Chatbot with Google Vertex AI: From Zero to HeroImagine a customer service representative juggling five open tabs, flipping between systems, and scanning lengthy PDFs — all while trying…
Sai Abhinav Parvathaneni·Apr 14DE Playbook #3 — Visa and the NOT IN Trap: How a Single Subquery Blew Up a Fraud Detection EngineSeries: The Data Engineer’s Playbook | Tier 1 — Foundation | Estimated read: 18 min
Sai Abhinav Parvathaneni·Apr 11Southwest Airlines and Oracle GoldenGateCDC, trail files, LogMiner, XStream, and zero-downtime migration through the lens of a Required to Fly aviation system
Sai Abhinav Parvathaneni·Apr 1DE Playbook #2 — “Why Your JOIN is Killing the Risk Dashboard”: A Data Engineer’s Guide to JOINs…Series: The Data Engineer’s Playbook | Tier 1 — Foundation | Estimated read: 16 min
Sai Abhinav Parvathaneni·Mar 31DE Playbook #1 — “The Query That Almost Crashed Goldman Sachs”: A Data Engineer’s Guide to SQL…Series: The Data Engineer’s Playbook | Tier 1 — Foundation | Estimated read: 14 min
Sai Abhinav Parvathaneni·Dec 10, 2025A Complete Guide to Building Production-Ready FastAPI ServicesWhen I started building “just one small API” with FastAPI, I did the classic thing:
Sai Abhinav Parvathaneni·Oct 24, 2025Coaching Smarter with GenAI: How to Transform Call Center Performance from Reactive to ProactiveImagine a call center manager with dozens of calls to review — listening through hours of recordings, searching for coaching moments, and…
InData Science CollectivebySai Abhinav Parvathaneni·Jul 7, 2025A/B Testing Your AI Prompts: The Simple Way to Make Your Chatbot Responses 10x BetterImagine you’re a chef trying to perfect a recipe. You might make two slightly different versions of the same dish and ask people which one…
InGoPenAIbySai Abhinav Parvathaneni·Jul 2, 2025Prompt Engineering 101Imagine you’re trying to give directions to a friend who’s never been to your neighborhood. You wouldn’t just say “go to the store,” right…
InData Science CollectivebySai Abhinav Parvathaneni·Jul 1, 2025Supervised Fine Tuning — Step by StepCustomizing AI models using UnSloth, HuggingFace, and Google ColabA response icon1A response icon1
