Senior backend engineer — {{ yearsExperience }} years designing, assembling and shipping scalable Golang systems, AI workflows and automation modules. Each unit below rolled off this line.
Production units sourced live from github.com/codehand. Scroll to advance the belt.
A self-hosted Task Hub for AI agent workflows with MCP endpoint, role-based access control and a no-self-certification state machine. Single binary, SQLite-backed, with live web UI.
Ongoing public experiments — Go services, automation tooling and AI workflow components, assembled in the open on GitHub.
A cross-region marketplace for collectible footwear, clothing and jewelry sourced from US, UK, CN and SG brands — gRPC microservices on Kubernetes, Zinc-powered search, with web, iOS and Android frontends.
Pharmaceutical commerce that scales from a single B2C shop to a full B2B trading platform — automated multi-tier discount pricing, remote healthcare booking, a dynamic API gateway and traffic-elastic microservices.
An ultra-light publishing engine for Golang insights, interview notes and project management writing — the whole static site ships under 100 KB on a Gin server, with hand-built UX interactions.
Every module passes through automated capability inspection. Calibration values measured over 11 years of production.
The line has capacity. Send the spec and production starts.
Start a project