Full-Stack Engineer · AI Systems
Agent orchestration · AI infrastructure · fullstack products

I build AI-native tools and products by connecting the whole system: model, interface, automation, guardrails, and the person using it. Based in Surabaya, Indonesia. Open to remote junior/associate roles, paid internships, and thoughtful collaborations.

• Agent orchestration with role-based subagents, ownership, audit gates, and constrained permissions
• AI infrastructure: model routing, provider fallbacks, telemetry, and local-first workflows
• Voice-to-structure workflows: turning complete mental models into executable AI instructions
• Fullstack products with TypeScript, Go, Python, Next.js, and pragmatic data layers

These are floor values from a July 2026 verification; the live numbers keep growing. Current evidence lives at katsu.codes. Tokscale, 9Router, and other tool telemetry overlap; they are not additive.

• EQ-Math — deployed Indonesian math-learning product with role-based flows, strict TypeScript, SQLite, security hardening, and CI; full case study at the link.
• Bigswap v2 — Go/EVM event pipeline with RPC resilience, scoring, Telegram alerts, and operational metrics.
• Spot Signal Lab — deterministic, paper-only research automation with Hermes cron jobs and SQLite FTS memory.
• Pi Vision — gives vision-less coding agents an image-understanding tool through a thin wrapper.
• Migrate — scroll-driven 3D portfolio experience built for a friend with Next.js, Motion, Lenis, and R3F.

These repositories are private by design; scope is shown here and evidence is published as sanitized case studies on katsu.codes.

Matt Pocock · Mario Zechner (website) · Ben Davis · Theo Browne

katsu.codes · LinkedIn · Discord · Email

_{Building in public where useful. Keeping private work private where necessary. Boiling the ocean.}