Sr. Python Engineer, Agent Runtimes & MCP
TalentOla
Role #2 Sr. Python Engineer, Agent Runtimes & MCP
Must have
7+ years Python building production microservices for typical modern SaaS backends; strong async (asyncio), typed code, pytest, ruff.
API security fundamentals: OAuth 2.0 (client credentials, on-behalf-of / token exchange), JWT issuance and verification, JWKS rotation and caching, secrets handling.
Microservices architecture experience: service-to-service auth, structured error/result handling across service boundaries, fail-open vs. fail-closed reasoning under a latency budget.
Reads an unfamiliar, unmaintained codebase quickly and cites module and line in every claim; works from written acceptance criteria without supervision.
Nice to have
OAuth token exchange (RFC 8693) in production, and can explain why forwarding the user's token downstream is unsafe (aud, scope narrowing, confused deputy); production AWS experience (Lambda or ECS, IAM, Secrets Manager).
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 with authentication in front of them; has built or extended an LLM evaluation harness.
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.
Vacancy posted 2 days ago
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