We are seeking a WebView Developer for a 6-month contract position based in Pittsburgh, Pennsylvania, with 5 days per week onsite. This role focuses on designing, developing, and maintaining enterprise-scale WebView solutions that bridge web and native mobile applications on iOS and Android platforms. Responsibilities Design, develop, and maintain enterprise-scale WebView solutions for iOS and Android mobile applications. Embed and optimize WebViews within native mobile applications to ensure a seamless and responsive user experience. Integrate web applications with RESTful APIs, backend services, and third-party platforms. Develop and maintain JavaScript-to-native bridges that enable secure interaction between web content and native device capabilities. Implement secure communication channels between WebViews and native mobile components. Enable access to native device features including camera, geolocation, biometric authentication, notifications, local storage, and file uploads. Manage data exchange between native and web layers while ensuring performance and security. Identify and resolve performance bottlenecks related to network requests, JavaScript execution, and rendering engines. Manage cookies, local storage, session storage, authentication tokens, and user sessions securely across native and web contexts. Implement Single Sign-On (SSO) and other authentication mechanisms where applicable. Ensure secure handling and storage of sensitive user data. Ensure web applications function consistently across Android WebView and iOS WKWebView environments. Troubleshoot platform-specific rendering issues, layout inconsistencies, and browser engine limitations. Validate responsiveness across multiple screen sizes, operating systems, and device types. Implement security best practices to protect against XSS, CSRF, code injection, and malicious URL loading. Enforce secure coding standards and comply with organizational security policies. Partner with product managers, business stakeholders, UX/UI designers, and engineering teams to gather requirements and define technical solutions. Collaborate closely with iOS and Android developers to deliver cohesive and consistent user experiences. Participate in Agile ceremonies, code reviews, architecture discussions, and release planning activities. Create technical documentation and implementation guides for WebView solutions. Manage end-to-end deployment processes across Development, QA, UAT, Staging, and Production environments and collaborate with DevOps teams to implement CI/CD pipelines when required. Qualifications Required 6+ years of experience in mobile application development, with hands-on experience in both iOS and Android platforms. 3+ years of experience specifically building and maintaining WebView-based solutions (Android WebView, iOS WKWebView). Strong proficiency in native development languages: Kotlin/Java for Android and Swift/Objective-C for iOS. Solid experience with JavaScript and building JavaScript-to-native bridges for secure two-way communication. Proven experience integrating RESTful APIs and third-party platforms into hybrid mobile applications. Experience implementing SSO and authentication protocols (OAuth, Ping Identity, or similar) across native and web contexts. Working knowledge of secure data handling practices, including cookie/session/token management across native and web layers. Experience diagnosing and resolving performance issues related to JavaScript execution, network calls, and rendering engines. Familiarity with mobile security best practices, including mitigation of XSS, CSRF, code injection, and malicious URL loading. Experience enabling native device features (camera, geolocation, biometrics, notifications, local storage, file uploads) through WebView bridges. Strong understanding of responsive design principles and cross-device/cross-OS compatibility testing. Experience working across the full deployment lifecycle (Dev, QA, UAT, Staging, Production) and familiarity with CI/CD pipelines. Strong Agile/Scrum