Mobile application developer Jobs in Westminster, CO

Senior Software Developer (Mobile) - Remote Intertek, a leading provider of quality and safety solutions to many of the world's top-recognized brands and companies, is actively seeking a Senior Software Developer (Mobile) to join our People Assurance team as a Remote employee. This is a fantastic opportunity to grow a versatile career in Software Development. Intertek's People Assurance teams empower your workforce to identify and close operational gaps and mitigate risk by assuring smart actions across your organization. Intertek Alchemy provides frontline worker training solutions for processors, manufacturers, packagers, and distributors of all sizes. Intertek Catalyst inspires and engages workforces with highly creative, custom-branded, asset protection communication programs tailor-made strategic solutions designed to leverage our clients' company brand, values, and objectives to optimize the culture of their people. Intertek Wisetail provides a custom branded training and communication platform built to engage today's workforce with a complete learning management system, giving customers the tools to grow their passionate workforce. Intertek is continually innovating and evolving to reduce risk for consumers, brands and organizations in every sector and industry around the world. We go beyond Testing, Inspection and Certification of products: we are a Total Quality Assurance Provider to industries worldwide. Our Purpose: Bringing quality, safety, and sustainability to life. What are we looking for? The Senior Software Developer is responsible for leading the design, development, and maintenance of our mobile applications across iOS and Android. You will build cross-platform features using .NET MAUI while working natively where platform-specific capability is required, own the quality and performance of the mobile experience in customers' hands, and help shape our mobile architecture and release practices. This role offers the opportunity to contribute to complex projects and mentor other developers while driving innovation and best practices in a consolidating mobile platform. Salary & Benefits Information Individual compensation packages are based on a variety of factors unique to each candidate including skill set, experience, qualifications, and other job-related reasons. In addition to competitive compensation packages, when working with Intertek you can expect benefits including medical, dental, vision, life, disability, 401(k) with company match, generous vacation / sick time (PTO), tuition reimbursement and more. What you'll do: * Lead the design and development of cross-platform mobile applications using .NET MAUI and C# for both iOS and Android, building native functionality in Swift/SwiftUI or Kotlin/Java where platform-specific capability, performance, or API access requires it. * Architect scalable, robust, and maintainable mobile applications that meet performance, reliability, and security requirements, and write clean, efficient, well-documented code adhering to coding standards. * Implement responsive, intuitive interfaces that follow platform design conventions and accessibility standards, including push notifications, deep linking, background execution, and device permission handling. * Integrate mobile applications with backend REST APIs, implementing offline-first behavior, local persistence, and reliable data synchronization. * Own the mobile release process end to end (build pipelines, code signing, provisioning profiles, submissions to App Store Connect and Google Play Console, and beta distribution and staged rollouts via TestFlight and Play Console release tracks), working with our DevOps team to ensure all processes are automated and repeatable. * Instrument applications for crash reporting, performance monitoring, and usage analytics; diagnose and resolve platform-specific issues including memory pressure, threading and concurrency defects, battery consumption, and device fragmentation. * Conduct comprehensive testing, debugging, and code reviews; collaborate with Quality Assurance to ensure software quality across the supported device matrix, and participate in incident response and root cause analysis for mobile-related issues. * Provide technical leadership and mentorship to the development team while collaborating with product, architecture, and scrum teams to scope work, provide accurate estimates, translate business needs into technical solutions, document architecture and release procedures, demo functionality during Sprint Review, and stay current on emerging mobile technologies, platform releases, and store policy changes. This position outline is a general guideline and does not represent all encompassing details. The position assumes that the incumbent has both the mental and physical requirements to carry out the above defined duties. Minimum Requirements & Qualifications: * Bachelor's degree in Computer Science or a related field. (Equivalent professional experience will be considered.) * 5+ years of professional software development experience, with significant time focused on mobile application development. * Hands-on experience building and shipping applications with .NET MAUI (or Xamarin.Forms with demonstrated MAUI migration experience) using C# and .NET, plus native mobile development experience in at least one of iOS using Swift/SwiftUI or Android using Kotlin/Java. * Strong understanding of mobile application architecture and patterns such as MVVM, including state management and dependency injection, with experience integrating mobile applications with REST APIs and JSON and implementing local data persistence and offline synchronization using SQLite, Core Data, Room, or similar. * Experience with the mobile app store release process (including code signing, provisioning profiles, App Store Connect, and Google Play Console) along with proficiency in mobile debugging and profiling tools such as Xcode Instruments or Android Studio Profiler and version control systems, preferably Git and GitHub. * Proven ability to lead technical initiatives, mentor junior developers, and drive project success, with excellent problem-solving, communication, and collaboration skills, attention to detail and commitment to delivering high-quality software within agreed-upon timelines, and availability for occasional after-hours work or scheduled on-call hours. * This is a remote position; however, applicants must reside in and be able to legally work in the United States. Preferred Requirements & Qualifications: * Native development experience across both iOS and Android, including experience migrating applications from Xamarin to .NET MAUI. * Experience with mobile CI/CD tooling such as GitHub Actions, Xcode Cloud, Fastlane, or App Center, along with crash and performance tooling such as Firebase Crashlytics, Splunk Observability, or OpenTelemetry/Real User Monitoring. * Experience with mobile device management (MDM), device registration, or kiosk/managed-device deployments, and with mobile accessibility standards (WCAG, ADA) and platform accessibility APIs. * Experience with cloud platforms such as Amazon Web Services (AWS) and familiarity with front-end web technologies such as Angular, React, TypeScript, HTML, and CSS. * Knowledge of agile and SAFe methodologies and of applicable data privacy practices and regulations (PCI, PII, PHI, HIPAA, GDPR, ADA, etc.), with experience working on Learning Management Systems or training-focused platforms. Intertek: Total Quality. Assured. Intertek is a world leader in the Quality Assurance market, with a proven, high-quality business model and a global network of customer-focused operations and highly engaged subject matter experts. With passion, pace, and precision we work to exceed our customers' expectations, while engaging with our employees to be 10X in their performance and professional growth. Intertek is a drug-free workplace. As a condition of employment, certain positions may be required to pass a pre-employment drug test based on the type of work that will be performed. We Value Diversity Intertek's network of phenomenal people are our greatest assets, and the diversity they bring fuels our success. Intertek is an Equal Employment Opportunity Employer that values inclusion and diversity. We take affirmative action to ensure all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, or other legally protected characteristics. For individuals with disabilities who would like to request accommodation, or who need assistance applying, please email intertekhrusa@intertek.com or call 1-877-694-8543 (option #5) to speak with a member of the HR Department. #LI-TT #LI-RemoteIntertek is a leading Total Quality Assurance provider to industries worldwide. Our network of more than 1,000 laboratories and offices in more than 100 countries, delivers innovative and bespoke Assurance, Testing, Inspection and Certification (ATIC) solutions for our customers' operations and supply chains. Working at Intertek means joining a global network of state-of-the-art facilities and passionate people who deliver superior customer service with a purpose of bringing quality, safety, and sustainability to life.