Full Stack Software Engineer, AI at Applied Business Software – San Mateo, California

About Applied Business Software, Inc.,

Applied Business Software, Inc., (ABS), the maker of The Mortgage Office®, is the industry leader in private lending and loan management technology. Since 1978, our software has powered thousands of lenders, including private money firms, municipalities, CDFIs, Tribal Nations, universities, franchisors, third-party servicers and other non-bank lenders, helping them streamline, automate, and scale their lending operations with confidence.

About the role

We are seeking a Full-Stack Software Engineer with strong experience in TypeScript, React, and Node.js who will build the core user experience of our application.

This role will focus on developing high-quality, user-facing interfaces while also contributing to backend services that power our platform, supporting our continued growth as a SaaS business and strengthening internal processes, performance, and cross-team alignment.

What you'll do

Build responsive, type-safe frontend interfaces using React and TypeScriptDevelop and maintain backend services and APIs using Node.js and TypeScript to support frontend functionality.Partner with the core backend team to define API contracts and ensure efficient data fetching patterns (REST or GraphQL) for the frontend application.Collaborate with designers and product managers to translate requirements into intuitive, polished user experiences.Qualifications

5 years of professional experience as a full-stack or frontend-focused software engineer.Strong proficiency in TypeScript and React, with experience building production-grade web applications.Experience developing backend services using Node.js, including RESTful APIs, GraphQL, and Microservices.Solid understanding of modern web fundamentals: Hooks, state management, component architecture, and asynchronous programming.Nice to Have

Experience with modern frontend tooling (Vite, Webpack, ESLint, Prettier).Familiarity with component libraries (e.g., Material UI, Tailwind CSS) to accelerate UI development.Proficient with database technologies (SQL or NoSQL) and writing server-side logic to support frontend requirements.Experience integrating complex APIs and visualizing data (e.g., using charting libraries or building interactive dashboards).

Why Join Us?

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.Beautiful Huntington Beach or San Mateo office with a tight-knit culture.Competitive compensation and room for professional growth.Performance-based bonuses.Generous PTO. Modern workspace with on-site amenities.Awesome company Christmas party.
The pay range for this role is:
150,000 - 180,000 USD per year(Hybrid (San Mateo, California, US))