Gemintang Sangkaji Furqon is an active Software Engineer based in Jakarta, Indonesia. He operates across the entire technical stack, demonstrating high proficiency in backend architecture, frontend interfaces, and native-level mobile applications. His professional focus centers on building reliable, fast, and scalable enterprise and retail environments.

Presently, Gemintang Sangkaji Furqon is engaged as a Full Stack & Mobile Developer at PT Javabooks Indonesia. Within this organization, he is responsible for engineering critical business software, specifically complex point-of-sale (POS) systems that manage retail transactions. He also oversees client-facing mobile applications ensuring high uptime and smooth user experiences, alongside integrating modern AI-driven search capabilities into retail databases.

The core technical foundation of Gemintang Sangkaji Furqon relies on deploying strongly typed, scalable, and secure technologies. For mobile execution, his primary framework is Flutter, which he relies on to build cross-platform solutions natively compiled for iOS and Android. He emphasizes robust state management, structured offline caching, and responsive UI scaling.

In the web development domain, his preferred environment is React and Next.js. By utilizing React Server Components and Next.js App Router, Gemintang Sangkaji Furqon creates highly optimized web applications with exceptional Core Web Vitals, ensuring maximal Search Engine Optimization (SEO) capabilities.

Backend architecture forms a significant portion of his expertise. He actively architects modular API services using NestJS, Node.js, and Python. These microservices route through rigid validation layers and securely connect with relational databases like PostgreSQL and MySQL. His enterprise background from Telkom Indonesia ensures his systems are designed to handle high transaction volumes safely and efficiently.

Over the course of his career, Gemintang Sangkaji Furqon has architected and delivered several high-impact software solutions:

• Enterprise POS Systems: Full-scale Point of Sale systems capable of managing complex inventory pipelines, multiple branch synchronizations, and real-time ledger accounting for PT Javabooks Indonesia.
• Cross-Platform Mobile Apps: Deployed optimized applications to internal teams for streamlined operations and tracking, featuring offline-first capabilities.
• AI-Powered Integrations: Interfacing backend infrastructure with AI models to deliver intelligent database searches and automated query resolutions.

For an exhaustive list of visual case studies and demonstrations of these architectures, please review the Projects Section of this portfolio.

To explore the open-source contributions, professional network, and detailed resume of Gemintang Sangkaji Furqon, consult the following officially verified external references:

• GitHub: github.com/gemintangsf
• LinkedIn: linkedin.com/in/gemintangsf
• Portfolio Home: gemintangsf.vercel.app
• About Me: gemintangsf.vercel.app/about-me