Lahiru Sandeepa

AI Systems Engineer • Software Architect • Technology Builder

I design and build scalable systems, AI-powered platforms, and real-world technology solutions across software and hardware.

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AI Systems

Production LLM systems, RAG architectures, machine learning platforms, and AI infrastructure.

Scalable Software

Backend architecture, distributed systems, cloud-native applications, and APIs.

Technology R&D

Hardware integrations and experimental technology systems.

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AI-Driven Enterprise Code Assistant

Led research and development of a proprietary LLM-based code assistant. Engineered RAG integrations with internal knowledge bases, JIRA, and GitLab to significantly enhance developer productivity across large proprietary codebases.

LLMsRAGPythonWeaviateOpenAI

Modern Multi‑Agent Chatbot for WhatsApp & Messenger

Built a dynamic, multi‑agent conversational interface that connects to WhatsApp and Messenger via their APIs. The system uses Node.js to orchestrate Java‑based agents, enabling context‑aware cross‑platform chat experiences.

WhatsApp APIMessenger APINode.jsJavaAI Agents

Intelligent Customer Engagement Chatbot

Spearheaded advanced features including dynamic chat starters and personalized messaging. Optimized cross-platform initialization time by 80% via CDN strategies, ensuring a seamless user experience.

ReactJSSpringBootAI AgentsAngular
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Writing about AI systems, distributed architecture, and the builder journey.

Building Production AI Systems: Architecture Guide

A comprehensive guide to designing and architecting scalable AI platforms, including RAG implementation and LLM pipelines.

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