# Sein Tun Portfolio

Canonical: https://www.seintun.dev

## Summary
Senior Software Engineer portfolio focused on pragmatic technology adoption, integration control planes, enterprise modernization, and reliability-first production delivery.

## Primary URLs
- Home: https://www.seintun.dev/
- About: https://www.seintun.dev/about
- Work Case Studies: https://www.seintun.dev/work
- Contact: https://www.seintun.dev/contact
- Site Index: https://www.seintun.dev/site-index
- Senior Software Engineer Profile: https://www.seintun.dev/senior-software-engineer
- Next.js + TypeScript Profile: https://www.seintun.dev/nextjs-typescript-engineer
- Platform Integration Profile: https://www.seintun.dev/platform-integration-engineer

## Work Case Studies
- Connoisr (2025-2026) - https://www.seintun.dev/work/connoisr-platform - Architected a modular Next.js 16 + React 19 PWA with near-real-time sync, KDS orchestration, and CI quality gates across UI, domain, and E2E layers.
- Abstract AI Pipeline Studio (2023-2024) - https://www.seintun.dev/work/abstract-pipeline-studio - Owned and built the entire React + TanStack Query frontend from scratch, including an NLP-assisted node graph that translated plain-English conditions into SQL-like logic and AI-suggested source/destination/enrichment mappings, while integrating 50+ FastAPI services and reducing client-side errors by ~60%.
- Splunk Platform Modernization (2019-2023) - https://www.seintun.dev/work/splunk-ui-modernization - Led Backbone/jQuery to React + TypeScript modernization, shipped a security-driven Highcharts v4 to v6 migration, and improved dashboard responsiveness by ~30%.
- Orchestration Engine (2019-2025) - https://www.seintun.dev/work/orchestration-engine - Handled 1,000+ concurrent events with idempotent, retry-safe processing and reduced operational overhead by 72%.
- LibriScan (2025) - https://www.seintun.dev/work/libriscan-capstone - Reduced manual transcription by ~90% with AWS Textract and achieved ~85% accuracy via human-in-the-loop review.

## Machine-Readable Index
- AI JSON Index: https://www.seintun.dev/ai-index.json