Software engineer in Ulaanbaatar, Mongolia.

I build AI agent systems at erxes, an open-source CRM. Before that I shipped payment features for SocialPay at Golomt Bank. I also run the online store for my family's business.

Open to remote or relocation · CV · hi@darjs.dev · darjs.dev

Now

• erxes: the AI agent plugin, plugins outside the monorepo, GraphQL codegen, the plugin marketplace
• tranzfer: resumable file delivery, getting ready for launch

Projects

• vit-store: the store behind amerikvitamin.mn
• khaan-client: typed TypeScript SDK for Khan Bank's undocumented API
• herdr-orchestrate: run several AI coding agents in visible terminal sessions
• dms-bar-usage: Codex and Claude Code usage limits in the DankMaterialShell bar
• callrelay: Android calls on my Linux desktop, even over fullscreen apps
• plugged: pre-launch in-ear monitor store for Mongolia
• contributed to t3code: fixed quadratic event-log growth in the ACP adapter (#16682)

Stack

TypeScript, Go, Java, Kotlin · Solid, React, Astro, TanStack · Bun, Elysia, Hono, Effect, tRPC, GraphQL, Spring Boot · Drizzle, Postgres, MongoDB, Redis · Cloudflare Workers, D1, R2, Durable Objects, Alchemy · Mastra, AI SDK, MCP