hoeleong

Worked on the Legal and Compliance team, supporting localized operations across 10+ countries and regions to meet jurisdiction-specific regulatory requirements. Developed a Feature Center service in Go to manage frequently changing data dependent on multiple upstream services. Implemented a cache-aside pattern with Redis and MySQL, propagated updates via gRPC and Kafka, added MySQL binlog-based verification and MQ consistency checks, used versioned keys for cache/database validation, and scheduled Cron Jobs for cache cleanup and maintenance. Refactored admin action audit logging to enhance system observability and change traceability, increasing audit coverage by 35% and reducing incident resolution time by 20%.

Built a job marketplace web application for the Malaysian market, connecting employers with freelancers and part-time workers, supporting the full lifecycle from job posting, hiring, payment, to real-time communication. Integrated Stripe as the payment gateway, supporting wallet top-ups and charging for platform services including subscription plans and pay-per-use job postings. Built a real-time chat system using WebSocket for direct employer-worker communication, supporting message history, read receipts, and conversation threading to coordinate job details and schedules within the platform.

Built and maintained a customer-facing web application for LineClear Express, a logistics and delivery service provider. Delivered core delivery functionalities such as order placement, service browsing, and real-time tracking, streamlining operations and improving customer experience. Assisted in testing and optimizing features to ensure usability and seamless responsiveness across various devices and screen sizes.