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Projects

BrainUs AI

Live
RoleAI/ML Engineer
TeamSmall team
TimelineFeb 2025 – Present

Overview

BrainUs AI is an AI-powered learning platform for Sri Lankan students, designed around curriculum-grounded support for O/L and A/L education. The platform focuses on making learning easier through intelligent retrieval, structured educational content, and accessible product design.

Dineth contributes across AI/ML engineering, RAG architecture, backend API workflows, product design, and frontend implementation. The source code is private - this is a production platform actively serving students.

Architecture

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Challenges & Solutions

1

Educational AI must avoid unsupported answers - hallucination in a learning context causes real harm.

Grounded every response in curriculum material using RAG retrieval with citation-aware generation, ensuring each answer is traceable to a source document.

2

Sri Lankan curriculum content requires localized product decisions that generic AI chatbots don't make.

Built around O/L and A/L student workflows and curriculum structure rather than treating it as a general Q&A chatbot.

Key Facts

Curriculum Coverage

O/L & A/L

Sri Lankan exam-aligned content

Retrieval

RAG

Citation-aware answer generation

Source

Private

Production platform, closed source

Status

Live

Active deployment at brainus.lk

Features

  • Curriculum-grounded AI learning assistant for O/L and A/L students
  • RAG-based retrieval over official educational material
  • Citation-aware answer generation - every response linked to curriculum source
  • Student-focused learning interface designed for accessibility
  • Backend API and AI service workflows with Python and FastAPI
  • Frontend implementation with Next.js and TypeScript
  • Contributed across product design, engineering, and go-to-market strategy