Senior AI Backend Engineer - Production LLM/Agent Systems

Cavendish Professionals; Greater London; Presencial; GBP 70.000 - 120.000; Jornada completa

Descripción de la vacante

Cavendish Professionals partners with a growing AI-driven technology company to hire strong backend engineers who have built and shipped LLM and agentic systems into production.

You’ll own architecture through deployment, building scalable AI systems for lettings, property management and finance, and you’ll shape infrastructure as the business grows.

Join a team focused on multi-step agents, tool calling, evaluation, and continual improvement of performance and cost in production.

Formación

• 6+ years of software engineering experience, backend-focused.
• Production LLM/agent experience used by real customers or business teams.
• Ability to explain what you built, the challenges you faced and the decisions you made.
• Architectural judgement around when to use an LLM, deterministic code or human input.

Responsabilidades

• Multi-step agents, multi-agent orchestration and tool calling.
• Structured outputs and reusable AI workflows.
• Evaluation frameworks, tracing and feedback loops.
• Improving reliability, latency, hallucination rates and cost.
• Scaling AI infrastructure as the business grows.

Conocimientos

Backend engineering

LLM/Agent experience

Architectural judgement

Herramientas

LLM frameworks

Descripción del empleo

Cavendish Professionals partners with a growing AI-driven technology company to hire strong backend engineers who have built and shipped LLM and agentic systems into production.

You’ll own architecture through deployment, building scalable AI systems for lettings, property management and finance, and you’ll shape infrastructure as the business grows.

Join a team focused on multi-step agents, tool calling, evaluation, and continual improvement of performance and cost in production.