Application Developer, React

CrossCountry Mortgage, LLC

. Design, develop, and maintain custom web applications using React, JavaScript, and TypeScript .

Posted 11/2/2026full-timeRemote • United StatesMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in developing and maintaining web applications using React, JavaScript, and TypeScript, with a strong focus on user interface design and integration with REST APIs. Proficient in applying secure development practices and collaborating effectively with cross-functional teams.

Highest-signal resume keywords

React Application DevelopmentJavaScript ProficiencyTypeScript ProficiencyREST API IntegrationGit Version Control

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

ReactJavaScriptTypeScriptHTMLCSSREST APIsJSONAutomated TestingCI/CD PipelinesComponent Libraries

Soft Skills

CollaborationCommunicationProblem-SolvingIndependenceTechnical Knowledge Sharing

Tools & Technologies

Microsoft AzureAzure App ServiceMicrosoft Entra IDOAuth 2.0OpenID ConnectJestVitestReact Testing LibraryPlaywrightWebSockets

Industry Keywords

Contact Center PlatformsCRM SystemsEnterprise ApplicationsWorkflow AutomationReal-Time Application Updates

Tech Stack

Tools & technologies

AzureCloudJavaScriptJestNext.jsNode.jsReactTypeScript.NET

About the role

Key responsibilities & impact

Design, develop, and maintain custom web applications using React, JavaScript, and TypeScript
Build user interfaces for contact center agents, administrators, and operational teams
Develop reusable components and maintain consistent application design and behavior
Translate business and technical requirements into working application features
Improve existing applications based on user feedback, performance, and changing business needs
Troubleshoot application issues and implement fixes
Integrate React applications with REST APIs and other web services
Connect applications with contact center platforms, CRM systems, and enterprise applications
Handle application data, authentication, error handling, and system responses
Build simple, intuitive, efficient, responsive, accessible, and usable interfaces
Reduce unnecessary steps, duplicate data entry, and manual processes
Write clean, maintainable, and well-documented code
Participate in code reviews, testing, and technical design discussions
Develop unit and component tests and support integration testing
Troubleshoot production issues and support application releases
Follow development, security, and change management practices
Use Git and established workflows to manage application changes
Support application monitoring, error handling, and performance improvements
Collaborate with the Contact Center Technology team, Product Management, business stakeholders, backend developers, integration teams, IVR/IVA developers, and platform administrators
Participate in planning discussions and provide development estimates
Communicate technical challenges, dependencies, and progress
Share technical knowledge and contribute to development standards and reusable components

Requirements

What you’ll need

Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related field, or equivalent practical experience
3+ years of professional frontend or web application development experience
Strong experience developing applications using React
Proficiency with JavaScript, TypeScript, HTML, and CSS
Experience integrating applications with REST APIs and working with JSON data
Understanding of React component architecture, hooks, state management, and routing
Experience with Git and modern development workflows
Familiarity with application authentication, authorization, and secure development practices
Experience debugging applications and resolving technical issues
Ability to work independently while collaborating with other developers and business stakeholders
Experience developing enterprise applications or internal business tools preferred
Experience with Microsoft Azure, Azure App Service, or similar cloud hosting environments preferred
Experience with Microsoft Entra ID, OAuth 2.0, and OpenID Connect preferred
Familiarity with React libraries and frameworks such as Vite, Next.js, or similar technologies preferred
Experience with component libraries and design systems preferred
Experience with automated testing tools such as Jest, Vitest, React Testing Library, or Playwright preferred
Experience with CI/CD pipelines and automated application deployments preferred
Familiarity with WebSockets, real-time application updates, or event-driven interfaces preferred
Experience integrating with contact center platforms such as Five9, NICE CXone, or Genesys preferred
Experience with CRM systems, workflow automation, or customer service application preferred
Familiarity with backend development using Node.js, .NET, or similar technologies preferred

Benefits

Comp & perks

Medical insurance
Dental insurance
Vision insurance
401(k)
Company-provided short-term disability
Employee assistance program
Wellness program
Robust benefits package
Competitive compensation plan