Full Stack Software Engineer (Node.js/React)

The Mortgage Office

San Mateo (FL)

Hybrid

USD 150,000 - 170,000

Full time

14 days+

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Benefits offered by this job

Health coverage

401(k) matching

Wellness programs

Professional development

Employee recognition

Team building

Job summary

The Mortgage Office is seeking a Full-Stack Software Engineer to build core user experiences, with a strong focus on both frontend (React, TypeScript) and backend (Node.js) services. You will contribute to API design, data modeling, and cross-team collaboration as the company scales its SaaS platform.

Ideal candidates have 3 years of professional experience, proficiency in TypeScript, Node.js, and React, and a track record of delivering production-grade systems.

Qualifications

3 years of professional, post-college software engineering experience as a full-stack developer.
Strong proficiency in TypeScript across backend and frontend codebases.
Extensive experience developing backend services using Node.js, including RESTful APIs and GraphQL.
Solid experience with React for building scalable web applications.
Hands-on experience with relational and NoSQL databases.
Strong understanding of frontend architecture and data fetching patterns.
Experience implementing authentication and authorization flows.
Experience optimizing performance on frontend and backend.

Responsibilities

Develop and maintain backend services and APIs using Node.js and TypeScript to support frontend functionality.
Build responsive, type-safe frontend interfaces using React and TypeScript.
Collaborate with backend to define API contracts and efficient data fetching (REST/GraphQL).
Work with designers and product managers to translate requirements into polished user experiences.

Skills

Node.js

TypeScript

React

REST/GraphQL

Databases

Frontend architecture

Authentication

Performance optimization

End-to-end delivery

Tools

Vite

Webpack

ESLint

Prettier

Material UI

Tailwind CSS

Job description

About TMO,

The Mortgage Office is the most trusted loan management platform in private lending. Founded in 1978, we power the full loan lifecycle for over 1,100 lenders, including private money firms, CDFIs, nonprofits, and government agencies, servicing more than $190 billion in loans.

We're recognized as G2's #1 Loan Servicing Software and Capterra's Best Ease of Use. With offices in Huntington Beach and San Mateo, we're now building the next generation of AI-native lending tools, and hiring a Full Stack Software Engineer (Node.js/React) to help lead that work.

The Opportunity

We are seeking a Full-Stack Software Engineer with 3 years of professional experience in Node.js, TypeScript, and React, 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 Own

Develop and maintain backend services and APIs using Node.js and TypeScript to support front-end functionality.
Build responsive, type-safe frontend interfaces using React and TypeScript.
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.

Required

What You Bring

3 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

Preferred

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).

Benefits & Perks

Competitive compensation (Base: $150,000 - $170,000) Bonus
Comprehensive health coverage (medical, dental, vision)
401(k) matching
Wellness programs
Professional development
Employee recognition programs
Team building & on-site amenities

Life at TMO,

TMO pairs 45 years of category leadership with a culture that’s still hands-on and collaborative. Ideas flow freely, every team member has a voice, and we have fun while we build.

Our Values: DRIVE