Full Stack Software Engineer

Job Description

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.

We are seeking a Full-Stack Software Engineer with strong experience in Type Script, 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.

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

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

• 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 No
  
  SQL) 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)

• 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

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.