> Markdown version of [/jobs/ext/163764-software-development-engineer-iii-react-and-react](https://www.wearedevelopers.com/jobs/ext/163764-software-development-engineer-iii-react-and-react). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Development Engineer III, React and React... - **Company:** Premera Blue Cross - **Location:** Mountlake Terrace, WA, United States - **Experience:** Experienced - **Salary:** $111,900.0 - $190,200.0 - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Automation of Tests, Unit Testing, Code Review, Information Systems, Software Debugging, Mobile Application Software, Pair Programming, Performance Tuning, Mobile Security, Software Engineering, TypeScript, Web Application Frameworks, ReactJS, Backend, Information Technology, React Native - **Published:** May 17, 2026 - **Apply:** https://www.juju.com/job/00000000g04ga2 ## About the Role + Bachelor's degree in Computer Science, Information Systems, or equivalent practical experience. + **4+ years** of professional software development experience. + **3+ years** of hands-on experience developing mobile applications with **React Native** . Preferred Qualifications + Experience contributing to the design and delivery of production-scale mobile applications. + Familiarity with TypeScript, modern JavaScript frameworks, and mobile performance optimization. + Experience integrating mobile applications with backend services and APIs. + Experience working in healthcare or other highly regulated environments. Knowledge, Skills, and Abilities + Experience with **iOS or Android** application development and an understanding of mobile platform constraints. + Experience working in an **agile, collaborative team environment** . + Demonstrated ability to analyze problems, identify root causes, and implement effective solutions. + Experience with **automated testing** and **CI/CD pipelines** for mobile applications. + Understanding of **mobile security best practices** . Physical Requirements The following have been identified as essential physical requirements of this job and must be performed with or without an accommodation: + This is primarily a sedentary role which requires the ability to exert up to **10 lbs. of force occasionally** and/or a negligible amount of force frequently or constantly to lift, carry, push, pull, or otherwise move objects, including the human body. + This role requires the ability to **keyboard** and to **communicate clearly and understandably** in person and over the telephone. ## Description As a **Software Development Engineer III** , you will design, develop, test, and maintain mobile applications using **React Native** . You will work as part of an agile, collaborative team to deliver high-quality mobile solutions that support Premera's digital health strategy and enhance our flagship mobile applications. In this role, you will solve moderately complex technical problems, contribute to design and implementation decisions, and apply modern engineering practices to build secure, reliable, and user-friendly mobile experiences that help transform health care. This is a hybrid role located on our campus in Mountlake Terrace, Washington. What you'll do: + Contribute to the development of Premera's next-generation suite of **React Native mobile applications** . + Design, build, and enhance mobile features using modern technologies, frameworks, and best practices. + Participate in technical design discussions and contribute solutions that support scalability, performance, and maintainability. + Develop and maintain clean, testable, and well-documented code in an agile delivery environment. + Collaborate closely with product owners, designers, and other engineers to deliver software that is simple, intuitive, and easy to use. + Participate in **pair programming** and peer code reviews to improve quality and knowledge sharing. + Improve application quality and reliability by writing **unit tests and automated UI tests** . + Troubleshoot, debug, and resolve application issues, including production defects, with a focus on customer impact. + Communicate progress, risks, and dependencies effectively within the team and with delivery partners. + Continuously learn and apply new tools, technologies, and techniques to improve mobile engineering practices. ## Related Videos - [Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS](https://www.wearedevelopers.com/videos/282-watch-tests-go-brrrr-getting-started-with-cypress-in-reactjs) - [Making the switch from web to mobile development](https://www.wearedevelopers.com/videos/274-making-the-switch-from-web-to-mobile-development) - [Do TypeScript without TypeScript](https://www.wearedevelopers.com/videos/327-do-typescript-without-typescript) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape) - [Nest.js - TypeScript in the backend can also be clean](https://www.wearedevelopers.com/videos/1033-nest-js-typescript-in-the-backend-can-also-be-clean) ## Related Articles - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023) - [16 Best Free React UI Libraries in 2025](https://www.wearedevelopers.com/magazine/148-16-best-free-react-ui-libraries-in-2025) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Cross Platform Mobile Development Frameworks to Use in 2025](https://www.wearedevelopers.com/magazine/404-cross-platform-mobile-development-frameworks-to-use-in-2025) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)