Senior Front End Engineer, React/Next.js

The Mortgage Office

Senior Front End Engineer developing scalable user experiences on TMO's AI-native loan management platform. Leading code development with React and Next.js to enhance complex business workflows.

Posted 8/1/2026full-timeHuntington Beach • California • 🇺🇸 United StatesSenior💰 $150,000 - $165,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in architecting and developing scalable web applications using Next.js and React, with a strong focus on performance, maintainability, and user experience. Proficient in component-based architecture and AI-assisted development practices, ensuring high-quality code and effective collaboration across teams.

Highest-signal resume keywords

ReactNext.jsTypeScriptMUI (Material UI)AI-Assisted Development

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Frontend EngineeringComponent-Based ArchitectureReact HooksState ManagementPerformance OptimizationAPI-Driven DevelopmentResponsive DesignAccessibility StandardsProduction-Grade Application DeliveryMarkdown-Based Documentation

Soft Skills

Problem-SolvingTechnical CommunicationAnalytical SkillsCollaborationExecution

Tools & Technologies

Claude CLIZustandReact QueryAI Coding AssistantsReusable Component Libraries

Industry Keywords

Web Application ArchitectureEnd-to-End Web Application WorkflowsFrontend-Backend IntegrationAuthentication FlowsFast-Paced Environment

Tech Stack

Tools & technologies

JavaScriptMaterial UINext.jsReactTypeScript

About the role

Key responsibilities & impact

Architect, develop, and continuously enhance scalable, high-performing web applications built on Next.js and React that handle complex business workflows, with a focus on performance, maintainability, and user experience.
Work with product and design teams to understand end-user requirements and create solutions that impact our customers, borrowers, and internal users.
Convert UX/UI concepts into functional prototypes and production-ready code, leveraging reusable component libraries and MUI design systems following industry best practices.
Lead code and design reviews, and mentor junior engineers, including establishing standards around AI-assisted development workflows to ensure consistent code quality and velocity.
Drive adoption of agentic development practices using tools like Claude CLI, structured markdown specs, and AI-assisted code generation.
Collaborate with QA to ensure comprehensive test coverage and assist in diagnosing and resolving issues, including leveraging AI tooling for faster root cause analysis.
Partner closely with backend engineers to design and integrate reliable APIs, optimize frontend-backend data flows, and ensure seamless end-to-end application performance across the full web stack.

Requirements

What you’ll need

5+ years of strong frontend engineering experience with deep expertise in React, Next.js, TypeScript, and modern web application architecture.
Deep expertise in component-based architecture, React hooks, and modern state management, hands-on experience with Zustand, React Query, or similar lightweight state and data-fetching libraries preferred.
Proficiency with MUI (Material UI) and experience building, scaling, and maintaining reusable, composable design systems and component libraries.
Strong understanding of end-to-end web application workflows, including frontend-backend integration, API-driven development, authentication flows, performance optimization, and production-grade application delivery.
Comfort working in an AI-assisted development environment, including prompt-driven workflows, markdown-based specs/documentation, and CLI tools such as Claude CLI or similar AI coding assistants.
Solid understanding of modern CSS, responsive design, accessibility standards, and front-end performance optimization techniques.
Strong problem-solving, technical communication, and analytical skills, with the ability to prioritize and execute effectively in a fast-paced, collaborative environment.

Benefits

Comp & perks

Competitive compensation (Base: $150,000 - $165,000) + Bonus
Comprehensive health coverage (medical, dental, vision)
401(k) matching
Wellness programs
Professional development
Employee recognition programs
Team building & on-site amenities