Senior AI Engineer - LLM Apps & Production

Expedeon Inc. (an Abcam company); Cambridge; On-site; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Health care program

Paid time off

Comprehensive benefits package

Job summary

Expedeon Inc. (an Abcam company) in Cambridge is seeking a Senior AI Engineer (Full Stack) to design, evaluate, and operate AI systems built on foundation models, delivering production‑ready apps with measurable business impact.

You will lead end-to-end LLM‑powered applications including RAG and agent workflows, transform prototypes into reliable services with deployment, monitoring, and guardrails, and collaborate with the Data & AI team on scalable solutions.

Qualifications

• Strong software engineering skills, primarily in TypeScript and Python with backend and API development experience.
• GenAI systems: RAG, prompt engineering, LLM integration, and agentic workflows.
• Cloud and infrastructure knowledge: deployment, containerization, and CI/CD practices.
• Understanding of machine learning fundamentals, including model behavior, evaluation, and testing.
• Demonstrated ability to design, deploy, and operate production‑grade AI systems focusing on reliability, scalability, and performance.

Responsibilities

• Design and deliver end‑to‑end LLM‑powered applications, including RAG systems and agent workflows.
• Transform prototypes into reliable, scalable production services with deployment, monitoring, and failure handling.
• Integrate and operate external model APIs, managing latency, cost, and reliability constraints.
• Build and operate data pipelines for retrieval, evaluation, and fine‑tuning workflows.
• Establish evaluation, monitoring, and guardrails to ensure performance, quality, and safety.

Skills

TypeScript

Python

LLM integration

RAG

Agent workflows

CI/CD

Cloud deployment

Monitoring

Production systems

Tools

LangGraph

LangChain

PocketFlow

nx

lerna

Job description

Expedeon Inc. (an Abcam company) in Cambridge is seeking a Senior AI Engineer (Full Stack) to design, evaluate, and operate AI systems built on foundation models, delivering production‑ready apps with measurable business impact.

You will lead end-to-end LLM‑powered applications including RAG and agent workflows, transform prototypes into reliable services with deployment, monitoring, and guardrails, and collaborate with the Data & AI team on scalable solutions.