Forward Deployed Engineer
US client via staffing partner · Remote with ≥ 5 hours daily overlap with US Central and UK time
- Location
- Remote with ≥ 5 hours daily overlap with US Central and UK time · Remote
- Salary band
- Band not stated
- Type
- Contract
- Level
- Senior
- Work authorization
- Not stated
Stack
Python · asyncio · pytest · ruff · Claude Messages API · Claude Agent SDK · MCP servers · streamable HTTP · JWT · JWKS · OAuth · LLM agents · prompt caching · secrets handling · real-time risk API · e-commerce · Claude Managed Agents · Claude Code plugins · Node.js
About the role
Title: Forward Deployed Engineer Location: Remote Contract Duration: 6 +months contract Location - Remote with ≥ 5 hours daily overlap with US Central and UK time Description: Forward Deployed Engineer, Agent Runtimes & MCP (Python) Mission. Build the Agent Trust integration into Anthropic's Claude Commerce Agents blueprint and the surrounding Claude tooling, and make it adoptable by merchant engineers in a day. •Stand up the blueprint's verticals on all three runtimes; run its test and verification suites; pin and maintain our fork compatibility. •Implement the AgentTrustMixin for the blueprint's StorefrontBackend / MerchantBackend: identity bound at session start, in-path trust checks on cart and checkout hooks, decision mapping to the blueprint's native tool-result semantics (Unavailable, domain errors), per-hook fail policy, decision logging without PII, outcome reporting. •Build and test the storefront MCP server path for Managed Agents behind an authenticating gateway, including vault-credential and signed-claim identity options. •Write an Experian MCP server (advisory tools) and a companion skill for the blueprint's commerce-builder Claude Code plugin. •Author the merchant integration guide and measure the merchant effort (files, lines, prompt bytes, gates, time-to-first-verified-session) as an acceptance metric. Must have •5+ years Python; strong async (asyncio), typed code, pytest, ruff; comfortable subclassing abstract backends and mapping exceptions to structured results. •Shipped tool-using LLM agents on the Claude Messages API or Agent SDK; understands prompt caching mechanics and why static-prefix bytes matter. •Built or integrated MCP servers (streamable HTTP) and put authentication in front of them; understands that a model can skip a tool call and enforcement must live server-side. •JWT/JWKS verification, OAuth client credentials, secrets handling; can call a real-time risk API inside a latency budget and reason about fail-open vs fail-closed. •Reads an unfamiliar, unmaintained open-source codebase quickly and cites module and line in every claim; works from written acceptance criteria without supervision. Nice to have •Claude Managed Agents beta (agents, environments, sessions, vaults, always_ask semantics); Claude Code plugins/skills authoring; Bedrock/Vertex/Foundry routing; e-commerce domain (cart, variants, checkout hand-off); Node 22 for the example storefronts. Deliverables you own. agent-trust-commerce Python package · Managed Agents gateway variant · Experian MCP server · commerce-builder companion skill · integration guide · demo against the retail vertical
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