AI Engineer

Job Description

The Mortgage Office (TMO) is the leading B2B fintech platform serving the private lending industry. Our software helps private lenders, fund managers, municipalities, and non-profits originate and service over $200 billion in loans with speed, compliance, and scale. With more than 1,400 customers and over 40 years in business, TMO continues to evolve its products to meet the growing complexity and innovation of private lending and we’re investing in a design-driven approach to elevate how our users work and deliver value to their clients.

About the Role

We are seeking an AI Engineer with 1–3 years of experience who will work with our team to build and operate the AI products that power our Loan Origination System (LOS).

This role will focus on delivering production-ready, auditable, and high-performance AI pipelines, supporting our continued growth as a SaaS business and strengthening internal processes, performance, and cross-team alignment.

What You’ll Do

Build and maintain production-grade AI pipelines for document ingestion, OCR, and entity extraction.

Use LLMs and retrieval-augmented techniques for accurate data classification, and apply rules and graph-based models to represent relationships between borrowers, entities, and assets

Work with team to implement agentic in-app experience that enable users to interrogate, explore, and act on data insights

Implement observability and feedback loops to monitor model performance, implement human-in-the-loop validation, and continuously improve accuracy over time.

Qualifications

1–3 years of professional experience building production-grade AI systems using large language models, agentic frameworks (e.g., LangChain, PydanticAI), and retrieval-augmented generation (RAG) pipelines

Strong proficiency in Python and applied ML frameworks such as PyTorch and Hugging Face

Experience building APIs and data pipelines with a strong foundation in system design, testing, CI/CD, and cloud deployment

Experience with prompt engineering, fine-tuning, and evaluation methods for improving real-world model performance

Nice To Have

Experience with knowledge graphs, recommendation engines, or rules engines

Familiarity with AI observability and monitoring tools

Good understanding of data pipelines, and model evaluation in real-world decisioning systems

Collaborate with backend engineers to deploy AI models as low-latency, highly available microservices in the system.

Why Join Us?

Full-time position based in San Francisco Bay Area with hybrid flexibility, (3 days in office).

Comprehensive health, dental, and vision coverage

401(k) with company funded match

Mission-driven company with a 45+ year legacy and industry-leading products trusted by thousands of lenders.

Collaborative, supportive team known for long tenure, deep expertise, and a culture built on trust and integrity.

Help modernize and evolve the leading platform in private lending technology.

Competitive compensation and room for professional growth

Performance-based bonuses

Generous PTO

Modern workspace with on-site amenities

Company Description

Applied Business Software, Inc. (ABS) is the creator of The Mortgage Office, the leading platform for private lending and loan servicing. Since 1978, we’ve built, sold, and supported powerful software used by lending institutions of all sizes around the world. The Mortgage Office is known for its stability, reliability, and the exceptional satisfaction of the clients who rely on it every day.

Full-time

Hybrid remote