Digital Marketplace · 2026
CoalX (GoldLane)
Indonesia's digital marketplace for coal & mining assets
Overview
A digital trading marketplace connecting verified mining companies, industrial buyers, traders, and investors in Indonesia. Features real-time price charts, mining concession listings, verified legal documents, and direct inquiry/negotiation flows.
Architecture
Built using Next.js App Router for optimal rendering performance and SEO capability. Leverages modern UI components and real-time state management for interactive market charts.
Role
Fullstack Developer
Year
2026
Tech Stack
Features
Real-Time Coal Market Intelligence
Interactive price tracking charts and historical data movements for real-time coal market analysis.
Verified Mining Assets Marketplace
Detailed listing of coal concessions and trading products complete with legal documents, reserve data, and company verification.
Direct Inquiry & Negotiation
Integrated business communication allowing buyers and sellers to negotiate pricing and order quantities directly.
Challenges
Displaying dynamic market data seamlessly
Handling high-frequency market chart updates and responsive UI layouts across various screen sizes.
Results
B2B Mining & Energy
Ecosystem
Legal & Industry Data (MODI/ESDM)
Verification
Lessons Learned
- B2B commodity platforms rely heavily on trust verification and accurate real-time data visual representations.