Senior Full Stack Engineer - React.js / Node.js / React Native

Overview:Job Description - Senior Full Stack EngineerSenior Full Stack Engineer - React.js / Node.js / React NativeLocation: Louisville, Dallas, Arlington, or ChicagoWork Mode: 100% Onsite - Must work from officeExperience: 10+ years in Full Stack EngineeringRole SummaryWe are seeking a highly experienced Senior Full Stack Engineer with strong expertise in React.js, Node.js/.NET, and React Native to design, develop, integrate, and maintain scalable web and mobile applications.The ideal candidate will have strong hands-on experience across frontend, backend, and mobile development, with excellent knowledge of JavaScript/TypeScript, REST/GraphQL APIs, mobile development tools, and modern software engineering practices.Mandatory Technical SkillsCandidates must have hands-on experience in the following:React Native - MandatoryStrong hands-on experience developing mobile applications using React Native.Experience with mobile application architecture, debugging, and deployment.React.js - MandatoryStrong experience developing modern, responsive web applications using React.js.Node.js / Backend - MandatoryStrong Node.js backend development experience OR strong .NET backend experience.Experience developing APIs and backend services.JavaScript & TypeScript - MandatoryStrong understanding of JavaScript and TypeScript.Excellent knowledge of ES6+ syntax and language features.Full Stack Engineering - Mandatory10+ years of overall Full Stack Engineering experience.Ability to work across frontend, backend, APIs, and mobile applications.Core Technical SkillsReact.jsReact NativeNode.js / .NETJavaScript / TypeScriptES6+REST APIsGraphQLObject-Oriented ProgrammingMobile application developmentOffline storageThird-party API/dependency integrationApplication debugging and troubleshootingMobile Development SkillsHands-on React Native development.Familiarity with Xcode for iOS application builds and debugging.Familiarity with Android Studio for Android application builds and debugging.Understanding of mobile application lifecycle and deployment.Knowledge of offline storage and mobile data handling.Ability to troubleshoot native dependencies and build issues.Backend & API DevelopmentDevelop scalable backend services using Node.js or .NET.Design and consume REST and GraphQL APIs.Understand document request models and API communication.Integrate third-party services and dependencies.Troubleshoot API, integration, and dependency-related issues.AI Coding / Modern DevelopmentExperience with AI coding assistants such as GitHub Copilot or equivalent.Ability to use AI-assisted development tools for coding, debugging, refactoring, testing, and documentation.Understanding of responsible use of AI-assisted development in enterprise environments.Key ResponsibilitiesDesign, develop, test, and maintain scalable full-stack web and mobile applications.Develop responsive frontend applications using React.js.Develop mobile applications using React Native.Build backend services and APIs using Node.js and/or .NET.Develop and integrate REST and GraphQL APIs.Write clean, maintainable, well-documented JavaScript/TypeScript code.Troubleshoot application and third-party dependency conflicts.Work with Xcode and Android Studio for mobile builds and debugging.Implement offline storage and mobile application capabilities.Collaborate with architects, product owners, UX/UI designers, QA, and other engineering teams.Participate in design, development, code reviews, testing, deployment, and production support.Ensure application performance, scalability, security, and reliability.Use AI coding assistants effectively to improve development productivity.Required Soft SkillsExcellent written and verbal communication skills.Ability to translate complex technical requirements into actionable solutions.Strong problem-solving and analytical skills.Ability to work independently and collaboratively.Strong ownership and accountability.Ability to communicate effectively with technical and non-technical stakeholders.Education & ExperienceBachelor's degree in Computer Science, Engineering, Information Technology, or related field.10+ years of Full Stack Engineering experience.Strong recent hands-on development experience with React.js, Node.js/.NET, and React Native.