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 5+ years of 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 TypeScript
- Develop 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- 8+ years of professional, post-college software engineering experience as a full-stack developer, excluding academic projects and coursework.
- Strong proficiency in TypeScript across backend and frontend codebases, building and maintaining production-grade systems in a professional environment.
- Extensive experience developing backend services using Node.js, including RESTful APIs, GraphQL, and service-oriented or microservices architectures used in production.
- Solid experience with React for building scalable web applications, including component design, Hooks, state management, and asynchronous data handling.
- Hands-on experience working with relational and/or NoSQL databases, including schema design, migrations, and performance-conscious query development.
- Strong understanding of frontend architecture, including reusable component patterns, client-side data fetching, error handling, and rendering performance considerations.
- Experience implementing authentication and authorization flows across backend APIs and frontend applications.
- Familiarity with performance optimization on both frontend and backend, including efficient API design, caching strategies, and frontend rendering optimizations.
- Ability to deliver features end-to-end, from API and data model design through frontend integration and user experience.
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 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))