Senior AI Retrieval & Knowledge Platform Architect

LPL Financial; Austin (TX); On-site; USD 115,000 - 192,000; Full time

Benefits offered by this job

401K matching

Health benefits

Stock options

Paid time off

Job summary

LPL Financial is seeking a Principal Engineer, AI Retrieval & Knowledge Platform, to design and build core AI knowledge infrastructure powering enterprise applications. The role focuses on distributed systems, retrieval architectures, and AI platform services enabling search, vector retrieval, and real-time data across the organization.

The ideal candidate is a strong backend/platform engineer with deep experience in scalable systems, ML-powered retrieval architectures, and delivering

Qualifications

• 8+ years building large-scale backend, platform, or distributed systems.
• Hands-on experience designing search platforms, retrieval systems, and knowledge platforms.
• Strong API, microservice, Kubernetes, CI/CD, and distributed data processing skills.

Responsibilities

• Design and build high-scale AI retrieval and knowledge infrastructure.
• Develop RAG infrastructure, indexing, retrieval, and context assembly.
• Create low-latency APIs and SDKs for product teams.
• Lead design and architecture of large-scale AI platform components.

Skills

Distributed systems

APIs

Kubernetes

CI/CD

Java/Python/Go

Tools

Elasticsearch/OpenSearch

Vector databases

Kafka

Job description

LPL Financial is seeking a Principal Engineer, AI Retrieval & Knowledge Platform, to design and build core AI knowledge infrastructure powering enterprise applications. The role focuses on distributed systems, retrieval architectures, and AI platform services enabling search, vector retrieval, and real-time data across the organization.

The ideal candidate is a strong backend/platform engineer with deep experience in scalable systems, ML-powered retrieval architectures, and delivering