Nisal Fonseka

RAG & AI Assistants

I build assistants that retrieve from documents, knowledge bases and business data so responses can be relevant, traceable and managed over time.

Discuss a project

What I can deliver

01Document ingestion
02Vector retrieval
03Grounded chat experiences
04Source and access management

A clear process

01

Audit the knowledge sources

02

Design chunking and retrieval

03

Build the assistant experience

04

Evaluate answer quality and failure cases

See how these capabilities come together in real systems.