Hi, I’m Jen Jacobsen, a Full-Stack Developer and Software Engineer with over 9 years of experience building modern, high-performing web and mobile applications. I help businesses and startups turn ideas into intuitive, user-focused digital products — from cross-platform mobile apps to complex web platforms. My experience spans enterprise systems as well as startup products taken from concept to launch, covering everything from UX-driven front-end development to scalable backend architecture, cloud infrastructure, and real-time data systems. I specialise in mobile-first and cross-platform development, working with React, React Native, Expo, Angular, and .NET Core to create elegant, accessible interfaces backed by robust APIs, Firebase databases, and event-driven services. I have hands-on experience implementing Firebase Firestore, authentication, analytics, and push notifications via Expo Notifications, ensuring reliable data sync and engagement across iOS and Android. Whether you need a new mobile app, an existing app modernised, a UI rebrand implemented across web and mobile, or a full web rebuild, I deliver solutions that are clean, efficient, and built to scale. Why Clients Choose Me - 9+ years of full-stack experience across web and mobile app development - Strong expertise in cross-platform mobile apps (iOS & Android) - Proven success in both enterprise and startup environments - Clear, communicative, and easy to work with - Focused on quality, reliability, and long-term results…Hi, I’m Jen Jacobsen, a Full-Stack Developer and Software Engineer with over 9 years of experience building modern, high-performing web and mobile applications. I help businesses and startups turn ideas into intuitive, user-focused digital products — from cross-platform mobile apps to complex web platforms. My experience spans enterprise systems as well as startup products taken from concept to launch, covering everything from UX-driven front-end development to scalable backend architecture, cloud infrastructure, and real-time data systems. I specialise in mobile-first and cross-platform development, working with React, React Native, Expo, Angular, and .NET Core to create elegant, accessible interfaces backed by robust APIs, Firebase databases, and event-driven services. I have hands-on experience implementing Firebase Firestore, authentication, analytics, and push notifications via Expo Notifications, ensuring reliable data sync and engagement across iOS and Android. Whether you need a new mobile app, an existing app modernised, a UI rebrand implemented across web and mobile, or a full web rebuild, I deliver solutions that are clean, efficient, and built to scale. Why Clients Choose Me - 9+ years of full-stack experience across web and mobile app development - Strong expertise in cross-platform mobile apps (iOS & Android) - Proven success in both enterprise and startup environments - Clear, communicative, and easy to work with - Focused on quality, reliability, and long-term resultsWWWW…