daniel linus
Full Stack AI Developer With Web, Mobile App & Bug Fixes
New to Contra
daniel is ready for their next project!
A founder thought their Lovable AI project was beyond repair after users couldn't sign in and database requests kept failing. The root cause was broken Supabase authentication, incorrect database policies, and API configuration. Everything is now stable, secure, and ready for production.
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After hours of debugging, I discovered the real issue wasn't Cursor AI—it was conflicting TypeScript types, broken imports, and outdated API logic. Refactored the React & Next.js codebase, cleaned up the architecture, and turned an unstable AI-generated project into a fast, production-ready web application.
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Application crashing? API failing? Login broken? Performance slowing down? I specialize in identifying and fixing frontend and backend issues quickly so applications become stable, secure, and production-ready.
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Completed a secure Stripe payment integration for a web application, including checkout flow, payment confirmation, webhooks, and backend verification. The platform now processes payments smoothly with a secure and scalable architecture.🚀
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Spent today fixing multiple Expo EAS Build issues that prevented an Android APK from being generated. Resolved dependency conflicts, SDK version mismatches, Gradle configuration, and native build errors to deliver a successful production-ready build.
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DriveDash is a modern cross-platform mobile application designed to streamline transportation and delivery services. The app provides a fast, intuitive experience with secure authentication, real-time updates, responsive navigation, and performance-optimized screens. Built with a scalable architecture, it delivers a smooth user experience while supporting future integrations such as live tracking, notifications, and cloud-based data synchronization. Developed using React Native and Expo for Android and iOS compatibility.
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Built a modern, high-performance web application portfolio with a clean user interface, responsive layouts, and optimized user experience. The project emphasizes speed, accessibility, and scalability while providing smooth navigation, interactive components, and a professional digital presence across all devices.
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Designed and developed a modern marketplace for merketers were they can manage and monetize their products. The platform includes secure authentication, tool listings, search functionality, responsive dashboards, and a clean user experience optimized for both creators and buyers
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I developed a responsive 3D sportswear customization experience that enables users to design personalized team jerseys and apparel in real time. The project focused on creating an intuitive user experience with live product previews, seamless navigation, and an optimized checkout flow. The solution delivers a fast, interactive, and scalable platform for custom sportswear personalization across desktop and mobile devices.
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