Senior MCP-Based AI Agent Platform Engineer

DogeSMS

Singapore

On-site

SGD 115,000 - 230,000

Full time

14 days+

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Benefits offered by this job

Equity available

Conference travel

CPF-equivalent for contractors

Job summary

DogeSMS is seeking an experienced engineer to own the MCP server and developer-facing surfaces. You will design tool schemas, authentication, and UX for safe usage, while shipping plugins and skills across Claude Code, Codex, and Anthropic Skill registries.

You’ll build sandbox-friendly tooling and drive telemetry, ensuring end-to-end traceability of agent activity. The role emphasizes senior TypeScript and working Python, plus production experience with LLM-powered systems and a strong view on

Qualifications

Real production experience with MCP servers, Claude Code plugins, or Codex plugins.
Strong TypeScript at a senior level and Python at a working level.
3+ years building production LLM-powered systems with real failure modes.

Responsibilities

Own the DogeSMS MCP server end-to-end: tool schema, transport, auth, and UX for misused arguments.
Ship and maintain Claude Code and Codex plugins in registries, including versioning and monitoring.
Publish a DogeSMS Skill for Anthropic Skills and Codex registry; design reliable invocation surfaces.
Build sandbox-friendly CLI and SDKs for sandboxed environments with deterministic errors.
Design sandbox-safe credential models with short-lived API keys and per-task budgets.
Instrument OpenTelemetry per LLM call and per tool invocation across surfaces.
Engage with developer communities on MCP / Anthropic / Codex to guide docs and tooling.