GrandTech Cross

Based in Brooklyn, New York, GrandTech Cross is a custom software and digital product studio working with startups and enterprises across the United States, describing itself as a remote-first partner serving clients from New York to California. The agency positions itself around cross-industry work, listing FinTech and banking, healthcare, e-commerce and retail, real estate and PropTech, SaaS products, media and entertainment, education and edtech, and logistics and supply chain among the sectors it serves. The declared service range covers software development, mobile app development (native iOS and Android as well as cross-platform), web development, digital marketing and SEO, UX/UI design, API development, custom software development, digital strategy, and BI & big data consulting and systems integration, alongside cloud hosting and DevOps on AWS, Azure and Google Cloud with CI/CD pipelines, and cybersecurity services including penetration testing and compliance work. Its stated development process runs through five stages: discovery of goals and technical requirements, architecture covering system design, data modeling and UX wireframes, development via agile sprints with continuous integration, code reviews and weekly demo calls, QA and testing across devices and browsers, and launch and growth involving deployment, monitoring, analytics and ongoing optimization. The technical stack referenced includes React, Next.js, Vue.js, Angular, TypeScript, Tailwind CSS and HTML5/CSS3. Featured project examples include a wellness streaming platform built with React Native, Firebase, Redux and Stripe, and a Shopify-based luxury e-commerce storefront.