Mobile Developer Contract Jobs in Houston, TX (NOW HIRING)

RESPONSIBILITIES:
Kforce is immediately adding a full-time Senior React Native Cross-Platform Mobile Developer in support of our nationally recognized, Consumer and Commercial Electronic R&D client in Spring, TX.
Summary:
We are seeking a Senior React Native Mobile Developer with extensive experience building secure, scalable, production-grade cross-platform applications for iOS and Android. The ideal candidate has strong React Native expertise combined with deep knowledge of native mobile capabilities, authentication, offline synchronization, secure storage, push notifications, GPS/location services, and enterprise mobile application architecture.
Key Responsibilities:
* Design, develop, and maintain enterprise-grade React Native applications
* Build scalable, maintainable, and reusable mobile architectures
* Integrate secure REST/GraphQL APIs and real-time services
* Collaborate with Product, UX, Backend, Security, and QA teams
* Optimize application performance, reliability, and battery usage
* Troubleshoot production issues and mentor junior developers
* Participate in architecture, code reviews, and Agile development processes
REQUIREMENTS:
* 7+ years of software development experience
* 5+ years of developing production React Native applications
* Strong JavaScript/TypeScript and React Native architecture
* Experience with React Navigation, Redux/Context API, native modules, and App Store/Google Play deployments
iOS & Android Platform Expertise:
Strong understanding of native platform capabilities, including:
* Android and iOS application lifecycle
* Background processing
* Deep/Universal Links
* Permissions
* Native integrations
Authentication & Security:
Hands-on experience with:
* OAuth 2.0, OpenID Connect (OIDC), PKCE, JWT
* Azure AD/Entra ID, MSAL, Auth0, Okta, Firebase Authentication
* MFA, biometrics (Face ID/Touch ID), secure session management
* Secure storage using iOS Keychain, Android Keystore, and encrypted storage
* Mobile security best practices, certificate pinning, encryption, and secure API communication
Offline Data Synchronization:
Experience designing production-grade synchronization including:
* Offline-first architecture
* Background synchronization
* Delta sync
* Conflict detection and resolution
* Retry mechanisms
* Queue-based synchronization
* SQLite, Realm, WatermelonDB, or similar local databases
Push Notifications & Location Services:
Experience implementing:
* Firebase Cloud Messaging (FCM) and APNs
* Rich, silent, and actionable push notifications
* GPS tracking, background location updates, geofencing, and map integrations
Networking & Performance:
Experience with:
* REST APIs, GraphQL, WebSockets/SignalR
* Request caching, offline queues, retry strategies
* Performance optimization, memory management, battery optimization, and crash analysis
Testing & DevOps:
Experience with:
* Jest, React Native Testing Library, Detox
* CI/CD using GitHub Actions, Azure DevOps, Bitrise, Fastlane, or App Center
* TestFlight and Google Play release management
The pay range is the lowest to highest compensation we reasonably in good faith believe we would pay at posting for this role. We may ultimately pay more or less than this range. Employee pay is based on factors like relevant education, qualifications, certifications, experience, skills, seniority, location, performance, union contract and business needs. This range may be modified in the future.
We offer comprehensive benefits including medical/dental/vision insurance, HSA, FSA, 401(k), and life, disability & ADD insurance to eligible employees. Salaried personnel receive paid time off. Hourly employees are not eligible for paid time off unless required by law. Hourly employees on a Service Contract Act project are eligible for paid sick leave.
Note: Pay is not considered compensation until it is earned, vested and determinable. The amount and availability of any compensation remains in Kforce's sole discretion unless and until paid and may be modified in its discretion consistent with the law.
This job is not eligible for bonuses, incentives or commissions.
Kforce is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status.
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