Production-grade systems, built and deployed by KT Solutions. Explore our internal products and architecture research; concepts are clearly labeled.
An offline-first Islamic companion for Android, bringing prayer times, a Quran reader, and everyday tools together in a carefully crafted interface.
A privacy-first mobile utility that makes warehouse purchase history searchable, with receipts and item data stored securely on your device.
A conceptual distributed point-of-sale and inventory architecture, designed to target thousands of transactions per second.
Design study. Throughput is a target, not a measured production result.
A budget-travel publication we built end to end: a fast static edge site on Cloudflare Workers, a full D1 backend for newsletter, downloads and moderated community stories, an on-site AI Travel Advisor powered by Claude, and an autonomous agentic pipeline that researches, drafts, fact-checks and opens a pull request for a new post three mornings a week.
Led the architecture for migrating an aging AEM-based commerce stack to a composable headless platform — commercetools for catalog, Algolia for search, Builder.io for content, with a phased traffic-cut approach that kept the existing site live throughout.
Native Android application built in Kotlin and Jetpack Compose for caregivers and care receivers, with offline-first scheduling, overtime tracking, exact alarm reminders, and Glance home-screen widgets. Companion Spring Boot backend on Hetzner Cloud.
Built a retrieval pipeline against a 100k-document compliance corpus, with hybrid search, re-ranking, citation enforcement, and an LLM-as-judge eval harness covering the top 200 query patterns. Deployed with full audit trails and per-query cost telemetry.
Two-week technical assessment of a SaaS acquisition target — codebase quality, architecture risk, team capability, and modernization cost. Produced a board-ready report identifying $2M of avoidable post-close investment, plus a 12-month integration roadmap.
Replaced a sprawl of spreadsheets, three legacy tools, and a Slack channel called #ops-emergencies with a single internal platform. Next.js frontend, Spring Boot backend, Postgres, role-based access for 200+ internal users, and integrations to four third-party APIs.
Designed and built a tool-using agent that automates routine data-engineering chores — schema diffs, anomaly investigation, and runbook execution — with strict guardrails, structured outputs, and a human-in-the-loop escalation path for anything destructive.
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