Senior ML Engineer - LLM & Agentic Systems Lead

Pacific Asset Management, LLC; Greater London; Hybrid; GBP 110,000 - 160,000; Full time

Benefits offered by this job

Leave 25 days annual leave

Healthcare private insurance

Wellness program

Job summary

UnderwriteMe is seeking a Senior Machine Learning Engineer to design, build, and deploy advanced LLM-based and agentic systems for medical records and application data. You will own evals, guardrails, and end-to-end production readiness in a fast-paced, cross-functional environment.

You will collaborate with Product, Design, and Underwriting SMEs to align ML capabilities with business goals, optimize latency and cost, and drive production impact across the platform.

Qualifications

• 6+ years in ML/AI with NLP/LLMs experience.
• Hands-on with OpenAI and Anthropic models/APIs and agent architectures.

Responsibilities

• Build, test, and deploy production LLM and agentic systems.
• Own evaluation harnesses and guardrails.

Skills

ML/AI experience

NLP

LLMs/agentic systems

OpenAI APIs

Anthropic models/APIs

Prompt engineering

Evaluation harnesses

Python

FastAPI

PostgreSQL

Async architectures

PyTorch

TensorFlow

Docker

Kubernetes

AWS

Tools

LiteLLM

vLLM

Langfuse

Claude Code/Codex

OpenAI API

Anthropic API

PostgreSQL

Docker

Kubernetes

PyTorch

TensorFlow

AWS

FastAPI

Job description

UnderwriteMe is seeking a Senior Machine Learning Engineer to design, build, and deploy advanced LLM-based and agentic systems for medical records and application data. You will own evals, guardrails, and end-to-end production readiness in a fast-paced, cross-functional environment.

You will collaborate with Product, Design, and Underwriting SMEs to align ML capabilities with business goals, optimize latency and cost, and drive production impact across the platform.