Senior Artificial Intelligence (AI) Engineer, Large Language Models

Job overview

The Senior Artificial Intelligence (AI) Engineer, Large Language Models role is onsite or hybrid, with the work model set by location. The listing identifies San Diego, CA, as a United States location and also names Singapore; compensation is not specified. The role supports ELEMYNT, an early-stage startup built by Xora Innovation, developing applied intelligence for materials design, validation, and deployment. The engineer owns the platform’s large language model systems, from agents and fine-tuned models to evaluation, tracing, and production services. This work makes reliable LLM capabilities available to users and provides reusable tools and APIs for other engineers.

What you'll do

• Build, evaluate, deploy, and iterate LLM-powered production capabilities
• design agents with tool calling, structured outputs, and durable state
• build retrieval systems
• fine-tune open-weight models
• create evaluation and regression-tracking loops
• instrument model calls and tool use with tracing
• develop APIs and reusable tooling.

What we're looking for

Skills & competencies

senior ai engineer

large language models

llm systems

machine learning

ai agents

retrieval-augmented generation

model fine-tuning

python

production services

san diego ca

onsite or hybrid

elemynt

xora innovation

Work arrangement

• Weekend coverage required

Why this role

The posting describes work across commercial APIs and self-hosted models in customer-controlled secure environments, including customer compute, cloud, or hybrid deployments. It seeks 5+ years building and shipping production software, including hands-on production LLM systems experience.

About the employer

Xora Innovation is hiring for this role. Industry: Engineering Services. Sector: 54.