Full Stack Software Engineer (Node.js/React)

The Mortgage Office•San Mateo, CA

1d•$150,000 - $170,000•Onsite

About The Position

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.

Requirements

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

Nice To Haves

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).

Responsibilities

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.