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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Development Engineer IV, React Native - **Company:** Premera Blue Cross - **Location:** Mountlake Terrace, WA, United States - **Experience:** Expert - **Salary:** $135,600.0 - $230,500.0 - **Contract:** Permanent contract - **Skills:** Testing (Software), JavaScript (Programming Language), Data Analysis, Apple IOS, Application Release Automation, App Store (IOS), Architectural Patterns, User Authentication, Automation of Tests, Microsoft Azure, Mobile Application Development, Information Systems, Continuous Integration, Cursor, DevOps, HP Systems Insight Manager, Mobile Application Software, OAuth, Performance Tuning, Openid Connect, Cloud Services, Mobile Security, Software Engineering, Software Technical Review, TypeScript, Data Logging, GitHub Copilot, Backend, Kotlin, Information Technology, Graphql, React Native, Google Play, Restful APIs - **Published:** October 26, 2026 - **Apply:** https://www.techcareers.com/job.asp?id=3467388162&tx=YT606CYT&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54 ## About the Role * Bachelor's degree in Computer Science, Information Systems, or related field, or equivalent experience. * 8+ years of professional software engineering experience. * 5+ years of experience developing React Native applications in production environments. * Experience building and supporting applications on both iOS and Android platforms. * Strong knowledge of JavaScript, TypeScript, React Native, and modern mobile application architecture patterns. * Experience integrating mobile applications with RESTful APIs and backend services. * Experience with mobile testing frameworks, automated testing, and CI/CD pipelines. * Proven ability to design and deliver highly scalable, maintainable, and performant solutions. * Demonstrated experience mentoring engineers and providing technical leadership. * Strong communication and collaboration skills with both technical and non-technical audiences. Preferred Qualifications * Experience with native mobile development using Swift and/or Kotlin. * Experience implementing GraphQL in mobile applications. * Experience with mobile security best practices, OAuth, OpenID Connect, and secure authentication flows. * Experience with Azure cloud services and modern cloud-native architectures. * Experience with observability platforms, crash reporting, and application monitoring tools. * Experience with App Store and Google Play release processes. * Experience implementing accessibility standards and responsive mobile design. * Experience working in healthcare, insurance, or other highly regulated industries. * Experience leveraging AI-assisted development tools such as GitHub Copilot, Cursor, or similar technologies. ## Description Are you passionate about building modern mobile experiences that simplify healthcare and improve people's lives? As a Software Development Engineer IV, you will play a key role in shaping the architecture, development, and evolution of Premera's mobile applications. In this role, you'll lead the design and development of highly scalable React Native applications, drive mobile engineering best practices, and influence the technical direction of our mobile platform. You'll partner with product, design, architecture, security, and engineering teams to deliver secure, resilient, and user-centric mobile experiences for our members and providers. This position is ideal for a senior engineer who enjoys solving complex technical challenges, mentoring others, and driving long-term platform strategy while remaining hands-on with development. This is a hybrid role located on our campus in Mountlake Terrace, Washington. What You'll Do * Lead the architecture, design, and implementation of large-scale React Native mobile applications. * Design solutions that support long-term scalability, maintainability, performance, and security. * Build and enhance shared mobile frameworks, reusable components, design systems, and platform capabilities. * Collaborate with Product, UX, Security, and Engineering partners to translate business requirements into technical solutions. * Architect and implement integrations with REST APIs, GraphQL services, authentication platforms, and cloud-based services. * Drive adoption of CI/CD, automated testing, release automation, and modern engineering practices. * Improve application reliability through observability, monitoring, crash analytics, logging, and performance optimization. * Troubleshoot and resolve complex production issues across Android and iOS platforms. * Evaluate emerging technologies and make recommendations that improve developer productivity and user experience. * Perform technical design reviews and provide guidance across multiple engineering teams. * Mentor and coach engineers while fostering a culture of technical excellence and continuous improvement. * Influence engineering standards, mobile architecture strategy, and platform roadmaps., * Drives architectural decisions that improve scalability, performance, reliability, and developer productivity. * Delivers high-quality mobile experiences that improve member and provider engagement. * Mentors engineers and elevates engineering practices across teams. * Partners effectively with stakeholders to translate business strategy into technical execution.