Senior AI Platform Software Engineer

UL Solutions • Austin, TX

3d • Hybrid

About The Position

We are seeking a Senior AI Platform Software Engineer to design, build, and scale the backend foundation that powers advanced AI applications. In this role, you will develop high performance APIs, integrate Large Language Models and custom machine learning models, and deliver production grade services that support AI driven SaaS products.

Requirements

• Advanced technical knowledge and/or software development experience.
• Advanced working knowledge in software application or specific program language requirements of software work.
• University degree in Computer Science or a related discipline.

Responsibilities

• Design and implement high-performance RESTful or GraphQL APIs to expose AI model functionality to front-end applications and external services.
• Integrate Large Language Models (LLMs) and custom machine learning models into backend architectures, often using frameworks like LangChain , LangGraph, or FastAPI.
• Build and maintain data ingestion pipelines and vector databases (e.g., Pinecone, Weaviate) to support Retrieval-Augmented Generation for AI agents.
• Deploy and orchestrate containerized services using Docker and Kubernetes on cloud platforms like AWS, GCP, or Azure.
• Implement real-time monitoring and alerting for AI system health, including tracking model performance, latency, and drift.
• Design testing strategies for non-deterministic AI outputs, including the implementation of guardrails and safety constraints.
• Own the full development lifecycle for services in a production SaaS environment. This includes establishing automated code coverage goals, rigorous code reviews, defining SLOs, and ensuring a fast and effective incident response process
• Works as part of a team.
• Mentor colleagues in AI software engineering best practices
• Performs code reviews of junior software engineers and provides constructive feedback on any findings, both verbal and in writing.

Benefits

• This position is eligible for annual bonus compensation with a target payout of 10% of the base salary.
• This position also provides health benefits such as medical, dental and vision; wellness benefits such as mental and financial health; and retirement savings (401K) commensurate with the standard rewards offered in each individual location or country.
• We also provide full-time employees with paid time off including vacation (15 days), holiday including floating holidays (12 days) and sick time off (72 hours).

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Number of Employees: 5,001-10,000 employees