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ong6 (Ong Jun Xiong) · GitHub

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ong6/README.md

Ong Jun Xiong

Software Engineer at TikTok building AI infrastructure and backend platforms in Go and TypeScript.

I work on agent runtimes, tool servers, distributed services, data systems, and the interfaces engineers use to ship AI features safely. I built my team's shared AI platform from zero — an A2A + LangGraph runtime, a Go MCP server, and a React chat SDK — now in daily use by operations teams across the US, SEA and UK. Before the AI infrastructure role I spent 18 months on promotion and seller backends in Go and gRPC across 13+ markets.

Alongside the day job I ran Compoze, a one-person AI solutions company, on nights and weekends, and sold it to one of its clients in 2025.

Personal site · LinkedIn · Email

Selected work

A Python decision system that combines official transaction data, algorithmic scoring, and AI-assisted qualitative research for Singapore condo analysis.

Python data pipelines algorithmic scoring AI agents

My terminal-inspired recruiter site, with selected work, a browser and print-friendly resume, and an archive of university projects.

Next.js React Chakra UI Vercel

Current technical focus

  • Production agent systems using A2A, LangGraph, MCP, and deterministic evaluation boundaries
  • Go and gRPC services over event streams, caches, and analytical data systems
  • React and TypeScript interfaces for complex operational workflows

Most of my production work is proprietary. The public repositories above show how I structure systems, document decisions, and turn ambiguous personal problems into working software.

Currently building

Repository Language Last commit
sg-property-analysis Python v3.11: three-score system — Valuation + Livability axes + purpose-wei… · 2 months ago
groundplane Python Add four relational checks: ordering, aggregates, entities, row integ… · today

Generated from my pinned repositories and their latest commits by a GitHub Action I run when the pins change. Source: scripts/update-readme.mjs.

Pinned Loading

  1. sg-property-analysis sg-property-analysis Public

    Singapore condo decision system — URA transaction data, algorithmic scoring, and AI-agent qualitative research into one comparable score per property.

    Python

  2. groundplane groundplane Public

    Deterministic fact boundaries for agent output — fails the build when a model's structured output asserts something its tools never produced.

    Python


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