Full Stack Software Engineer
Company: The Mortgage Office
Location: San Mateo
Posted on: February 21, 2026
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Job Description:
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. 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
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 •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?
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. 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.
Keywords: The Mortgage Office , Modesto , Full Stack Software Engineer, IT / Software / Systems , San Mateo, California
