Senior Technical Project Manager | Expert in Scope, Resource & Technical Project Management | Delivering Cost-Effective Solutions that Empower Startups & Drive Business Impact

About Tejas P Mehta

Strategic and versatile Technical Project Manager with 13+ years of experience in PHP/MySQL development and over 9 years leading high-performing teams across global projects. Expert in delivering scalable, user-focused web and mobile solutions by blending deep technical knowledge with strong leadership and operational insight. Proven ability to understand global client needs and adapt quickly to new domains and technologies. Committed to delivering innovative solutions that balance quality, performance, and cost-effectiveness.

AI & LLMs Local News RAG - Prompts PHP Tutorials Prompt Engineering RAG Tutorial Series Retrieval-Augmented Generation

Bonus 2 — Local News RAG: Recency-Aware Answers & Multi-Source Citations

By Tejas P Mehta July 25, 2026

The last piece Bonus 1 left us able to fetch, dedup, and retrieve today's news.…

Chatbots & Support Bots Local News RAG - Build MySQL & Databases PHP Tutorials RAG Tutorial Series Retrieval-Augmented Generation

Bonus 1 — Local News RAG: Pointing the Pattern at Live Data

By Tejas P Mehta July 25, 2026

Same skeleton, live target You just built a support bot over static documents. This bonus…

AI & LLMs Evaluation & Deployment PHP Tutorials RAG Tutorial Series Retrieval-Augmented Generation

Episode 8 — Evaluating & Shipping

By Tejas P Mehta July 23, 2026

From "seems good" to "measurably good" to "live" For two episodes I've been repeating the…

Embeddings & Vector Search Hybrid Search & Guardrails PHP Tutorials Prompt Engineering RAG Tutorial Series Retrieval-Augmented Generation

Episode 7 — Improving Quality: Hybrid Search, Reranking & Guardrails

By Tejas P Mehta July 23, 2026

"Works on my questions" isn't "works" Episode 6 gave us a real, grounded, cited bot.…

AI & LLMs Grounded Generation PHP Tutorials Prompt Engineering RAG Tutorial Series Retrieval-Augmented Generation

Episode 6 — Generation: Grounded Answers with Citations

By Tejas P Mehta July 23, 2026

The last mile Five episodes of groundwork come together here. We can load documents, chunk…

AI & LLMs PHP Tutorials RAG Tutorial Series Retrieval Tuning Retrieval-Augmented Generation

Episode 5 — Retrieval: Top-K, Thresholds & Filtering

By Tejas P Mehta July 23, 2026

Our search is fast, but it isn't smart After Episode 4, MySQL ranks our chunks…

Embeddings & Vector Search MySQL & Databases PHP Tutorials RAG Tutorial Series Retrieval-Augmented Generation Vector Search in MySQL

Episode 4 — Scaling the Vector Search in MySQL

By Tejas P Mehta July 23, 2026

The problem hiding in our search Episode 3 ended on a high: ask "how do…

Embeddings Embeddings & Vector Search MySQL & Databases PHP Tutorials RAG Tutorial Series Retrieval-Augmented Generation

Episode 3 — Embeddings & Your First Similarity Search

By Tejas P Mehta July 23, 2026

The gap we have to close At the end of Episode 2 we had chunks.json:…

AI & LLMs Document Chunking PHP Tutorials RAG Tutorial Series Retrieval-Augmented Generation

Episode 2 — Preparing the Knowledge Base: Loading & Chunking Your Docs

By Tejas P Mehta July 23, 2026

Where we left off In Episode 1 we cheated. We pasted Nimbus's refund policy into…

Infographic comparing an LLM answering from memory versus an LLM using RAG to read from a knowledge base

AI & LLMs PHP Tutorials RAG Fundamentals RAG Tutorial Series Retrieval-Augmented Generation

Episode 1 — What Is RAG, and Why Should You Care?

By Tejas P Mehta July 23, 2026

The problem, in one support ticket Imagine a customer opens a chat on Nimbus's website…