Where I've been.

Improved document processing API by optimizing over 40 logic components. Integrated WhatsApp Live Chat using Qiscus API for real-time chat. Implemented Digital e-Signature (TTE) integration with vendors Peruri and Tilaka.

Created a dashboard for monitoring the system and topping up certain games integrated with third-party application. Created API that meets business demands, ensuring reliability, robustness, security, and high performance.

Maintenance web application for Regulatory Reporting (ANTASENA, SLIK, SCV, APOLO). Built innovative custom export excel features and improved import excel performance from 1 hour to 2 mins. Led team of 2 junior software engineers.

Maintenance web application for Web Video Conference. Improved backend structure, implementing file management system, and maintenance previous features.

Created trading system from scratch, refactoring code, and optimizing performance. Built real-time dashboard data from millions of stock prices using WebSocket.