Enterprise AI / Cloud Systems / QA Automation

Building practical AI for real enterprise systems.
Chandima Rathnapriya

Senior Software Engineer | QA Specialist | AI Automation Engineer

Senior software engineer and solutions architect with 20+ years delivering business-critical applications across banking, insurance, and automotive sectors. Combines certified quality assurance and end-to-end test management with modern full-stack AI development - building intelligent automation, knowledge discovery, data intelligence, and modern user experiences that transform complex business challenges into high-performance, future-proof enterprise solutions.

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Key Highlights

Enterprise AI application development with FastAPI, Google ADK, Google A2A, RAG, SSE, HTMX, Jinja2, PostgreSQL, SQL Server, ChromaDB, and Qdrant.

Deep IBM i / AS400 background across RPGLE, CLLE, SQL400, DB2, APIs, web services, batch processing, and production support.

Practical AI workflow ownership across QA automation, NL-to-SQL data intelligence, claims adjudication, and knowledge-grounded portfolio systems.

Award-winning delivery history across banking, insurance, automotive, claims processing, financial accounting, and enterprise QA platforms.

Real-time AI streaming with Server-Sent Events (SSE), HTMX partial updates, and Jinja2 fragment rendering for live agentic UX.

Multi-agent architecture with Google ADK orchestration, A2A protocol, specialist sub-agents, and vector-grounded knowledge retrieval.

Claims intelligence platform: claim adjudication, precedent comparison, cost risk analysis, async SQLAlchemy, and secure iframe embedding.

QA automation platform covering Jira/Zephyr integration, AI test-case generation, duplicate detection, OpenAPI-to-pytest scaffolding, and OAuth2 RBAC.

Full-stack delivery across Docker, PostgreSQL, SQL Server, ChromaDB, Qdrant, JWT, Alpine.js and Streamlit.

20+ years of enterprise delivery with certifications in ITIL, Agile, ISTQB, and Java, spanning core banking, insurance, and automotive domains.

Work

Featured Projects

Recent AI, QA, data intelligence, and enterprise delivery work.

InsightData.AI

AI-driven retail data intelligence and NL-to-SQL assistant

Built a Streamlit platform where users ask natural-language business questions and receive database-backed answers with generated SQL, result rows, confidence details, charts, guardrails, feedback logging, and ChromaDB RAG retrieval.

Python Streamlit RAG ChromaDB SQL Server PostgreSQL Guardrails

QAFlow.AI

AI-driven QA workflow automation platform

Developed an internal QA productivity platform for Jira, Zephyr Squad, Microsoft OAuth, AI-assisted test-case generation, defect enrichment, duplicate detection, OpenAPI-to-pytest generation, execution reporting, and role-based access control.

Python Streamlit Jira Zephyr OAuth Pytest Docker

Claims Intelligence Dashboard

AI-assisted claims adjudication dashboard

Designed a FastAPI dashboard for claim analysis, historical precedent comparison, cost risk indicators, adjudicator decisions, async SQLAlchemy persistence, HTMX partial updates, and secure popup or iframe embedding.

FastAPI Jinja2 HTMX SQLAlchemy Alpine.js JWT AI Ready