Remote

Senior AI Agent Runtime Engineer (TypeScript / Python) at CortexWorks

CortexWorks AI✓ Verified Company

RemoteUnited States (Remote)San FranciscoSeattleRemoteFull-time$185,000 - $225,000 / year + 0.5% Equity

Job Description

CortexWorks provides durable execution infrastructure for autonomous coding and data analysis agents. We are hiring a Senior AI Agent Runtime Engineer to build our fault-tolerant state machine orchestrator and ephemeral MicroVM tool sandboxes.

What You Will Own You will engineer our TypeScript/Node.js and Python SDKs, implement replayable execution checkpoints backed by PostgreSQL, and build Model Context Protocol (MCP) gateway routers with strict RBAC policy enforcement and token budget accounting.

Key Qualifications Five+ years shipping backend platforms in TypeScript/Node.js and Python. Hands-on experience with LLM structured tool calling, streaming SSE/WebSockets, and containerized code sandboxes. Focus on deterministic testing, observability traces, and graceful rate-limit recovery.

Role Overview

  • CompanyCortexWorks AI
  • Company Domainhttps://cortexworks.ai
  • LocationRemote, United States (Remote), San Francisco, Seattle
  • Employment TypeRemote / Full-time
  • Estimated Salary$185,000 - $225,000 / year + 0.5% Equity
  • Experience Required5+ years
  • Posted DateOctober 13, 2026 at 04:30 AM
  • Job SourceRecruiter Contact: recruiter@company.comSign up free with GitHub or LinkedIn to reveal →

Required Skills

TypeScriptNodePythonDocker