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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Mobile Software Engineer - **Company:** Lumeris, Inc - **Location:** United States - **Experience:** Expert - **Salary:** $143,190.0 - $194,468.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Agile Methodology, Amazon Web Services, Android Software Development, Apple IOS, App Store (IOS), Continuous Integration, Monitoring of Systems, Push Technology, Mobile Application Software, PostgreSQL, Model View Controller (MVC), Object-Oriented Software Development, Open Source Technology, Open Web Application Security, Responsive Web Design, Mobile Security, Software Engineering, Software Systems, Web Content Accessibility Guidelines, Performance Testing, Delivery Pipeline, Firebase, Offline Storage, Backend, Fastapi, Information Technology, Sentry, React Native, Restful APIs - **Published:** September 17, 2026 - **Apply:** https://startup.jobs/principal-mobile-software-engineer-lumeris-10082453 ## About the Role * Bachelor's Degree in related field (i.e. Computer Science) or equivalent * 8+ years experience in an Enterprise development environment or the knowledge, skills, and abilities to succeed in the role * Expert knowledge of software development lifecycles and their utilization in software projects * Excellent communication and interpersonal skills with the ability to work constructively in a collaborative Agile team environment * High-caliber problem-solving and critical thinking skills with the proven ability to identify, develop, communicate, implement, and guide process improvements and strategic initiatives * Exemplary understanding of Object Oriented Programming techniques and methodologies in Java, web MVC frameworks, Responsive web design, RESTful web services Preferred: * Experience in the healthcare industry * Hands-on experience on AWS/GCP * Hands-on experience with Open-Source projects * Deep knowledge of iOS and Android platform internals (lifecycle, threading, memory, background execution limits) * Proven experience shipping apps through App Store and Play Store review and compliance processes * Experience building production apps with React Native and Expo * Experience with mobile state management and secure local storage * Experience with Firebase (push notifications, messaging) in a mobile app * Experience designing accessible mobile UI to WCAG 2.2 AA standards * Experience integrating mobile apps with backend REST APIs and cloud-hosted services (e.g., FastAPI/PostgreSQL on GCP) * Experience with crash reporting and monitoring tools (Crashlytics, Sentry, or similar) * Mobile-specific CI/CD experience: build pipelines, code signing, provisioning, staged rollouts, and rollback strategy * Mobile security expertise: secure storage, keychain/keystore, certificate pinning, and awareness of mobile-specific OWASP risks * Track record of leading production incident response, mentoring engineers, and setting enforceable mobile engineering standards ## Description Designs, develops, documents, enhances, tests, and debugs extremely complex new and existing software systems and/or applications (cloud, network, internet, or in-house). Guides all phases of the development life-cycle including. Serves as a Subject Matter expert and helps ensure industry leadership. Supports junior team members and contributes to team upskilling., * Oversees and guides project teams to ensure complex deliverables are reviewed, tested, and delivered on time and within budget. Reviews code to find causes of errors and revises programs as needed. * Provides expertise and guides in all phases of the Agile software development life-cycle while working with cross-functional teams in a highly collaborative environment (Product team, Engineers, Development Leads, Architects, Quality Engineers, etc.). * Partners cross-functionally and contributes to the architectural strategies and infrastructure deployment of our platform(s). Identifies and evaluates new technologies for implementation. * Plans and executes unit, integration and performance testing to ensure reliability and scalability. * Identifies, develops, implements, and evangelizes newly developed best practices, software development techniques, company standards, and frameworks with other teams within the organization. * Develops advanced skills of colleagues through peer collaboration, mentoring, and training. * Serves as a subject matter expert and represents the team as needed. ## Related Videos - [There's an app for that - on the role of cross platform development in the app development ecosystem](https://www.wearedevelopers.com/videos/278-there-s-an-app-for-that-on-the-role-of-cross-platform-development-in-the-app-development-ecosystem) - [Intro to FastAPI](https://www.wearedevelopers.com/videos/462-intro-to-fastapi) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [From Doubt to Confidence: How Sentry Uses Verdaccio to Bulletproof SDK Releases](https://www.wearedevelopers.com/videos/739-from-doubt-to-confidence-how-sentry-uses-verdaccio-to-bulletproof-sdk-releases) - [Scalable architecture for mobile apps](https://www.wearedevelopers.com/videos/275-scalable-architecture-for-mobile-apps) - [Building and Deploying Multi-Agent Systems with ADK and Vertex AI](https://www.wearedevelopers.com/videos/1918-building-and-deploying-multi-agent-systems-with-adk-and-vertex-ai) ## Related Articles - [Cross Platform Mobile Development Frameworks to Use in 2025](https://www.wearedevelopers.com/magazine/404-cross-platform-mobile-development-frameworks-to-use-in-2025) - [A Guide to Choosing the Right Tools for App Developers](https://www.wearedevelopers.com/magazine/391-a-guide-to-choosing-the-right-tools-for-app-developers) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)