Senior Machine Learning Engineer - Agentic AI PlatformLocation: Central Cambridge (Hybrid) Permanent In partnership with Robert Half

The Opportunity Join a global SaaS company building a cutting-edge multi-agent AI platform for enterprise data. This hands-on role focuses on scaling, hardening, and refining a graph-based agent engine as it moves toward global production.

What You’ll Do

• Agent Orchestration: Scale multi-step reasoning workflows and optimize agent collaboration.
• Tool Integration: Benchmark and extend toolchains within the agent framework.
• Inference & Performance: Optimize LLM integration, latency, and cost efficiency.
• State & Reliability: Strengthen Redis-backed persistence and ensure system consistency.
• Evaluation & Observability: Build regression frameworks and implement monitoring and tracing.

What We’re Looking For

• Strong Python engineering experience with production-grade systems
• Hands-on with LLM-powered applications and agent orchestration frameworks (e.g., LangGraph)
• Experience with stateful systems, caching, and reliability engineering
• Proficiency in FastAPI, Docker, and Redis
• Comfortable in a small, senior, high-impact team

Why Join?

• Work on a strategic next-gen AI platform
• Direct influence on architecture decisions
• Hybrid working in Central Cambridge
• Excellent benefits and discretionary bonus

Note: UK-based applicants only; full work rights required. No contractor/B2B/B2C roles available.

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