Software Engineer – Agent Guardrails

This is a fully remote position, open to applicants in Germany, +1 more state.

📋 Description

• Create and implement low-latency runtime instrumentation for Node.js and Python to monitor AI agent execution paths in real-time.

• Lead the development of hooks and interceptors for emerging protocols, including MCP, LLM SDKs, web frameworks, and novel execution transports.

• Develop automated systems and utilize tools to identify, test, and proactively highlight upstream SDK changes before they affect runtime performance.

• Maintain strict execution overhead limits to ensure that guardrails do not hinder the speed of host agent execution.

• Manage the language-runtime sensors and instrumentation layer that integrates with essential packages, generates events for the policy engine, and facilitates real-time block decisions.

⛳️ Requirements

• Proven expertise in Node.js and Python in a production environment.

• Familiarity with dynamic module loading, monkey-patching, and low-level runtime interception in both Node.js and Python.

• Ability to connect managed runtimes with compiled binaries such as Rust, C, or C++ with confidence.

• Basic knowledge of memory management, thread safety, and dynamic linking concepts.

• In-depth understanding of non-blocking control flow, including asyncio and the Node event loop.

• Established experience in building robust software on rapidly changing third-party SDKs and challenging runtimes.

• Analytical mindset for detecting race conditions, memory leaks, and silent failures across runtime boundaries.

🏝️ Benefits

• Comprehensive health and wellness benefits.

• Flexible work hours and remote work options.

• Opportunities for professional development and continuous learning.

• Collaborative and innovative work environment.