> Markdown version of [/jobs/ext/3208498-quantitative-software-engineer-expert-systems](https://www.wearedevelopers.com/jobs/ext/3208498-quantitative-software-engineer-expert-systems). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Quantitative Software Engineer - Expert Systems - **Company:** The Smart - **Location:** Henderson, NV, United States (Remote available) - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Extract Transform Load (ETL), Expert Systems, Software Engineering, SQL Databases, Build Tools - **Published:** September 16, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=c39f9d46b59a0c9f ## About the Role Candidates must be currently authorized to work in the United States PMSI does not provide employment-based visa sponsorship for this position, now or in the future Strong professional communication skills are essential We move quickly, collaborate closely, and need someone comfortable working in a fast-paced, hands-on environment ## Description You'll combine software engineering + quantitative analysis + financial logic + AI to build production systems supporting complex mortgage and financial operations. You'll get to: Build production-grade software and expert systems Turn complex business knowledge and decision-making into automated system logic Work with large financial and mortgage servicing datasets Build SQL-based systems, ETL pipelines, APIs, and automated workflows Apply optimization, simulation, statistical modeling, and operations research Develop solutions involving cash flow, financial models, risk, reconciliation, and exception management Automate processes that currently require significant manual analysis Build systems designed for accuracy, validation, traceability, and auditability Work directly with developers, operations teams, financial professionals, and subject matter experts Help enhance and expand PMSI's proprietary Q technology platform The role includes building expert systems that integrate rules-based logic, quantitative models, and decision-support algorithms into PMSI's technology platforms.