Mark Wong

Supported cross-functional collaboration with business analysts, product designers, sales managers, and project managers. Designed and built a platform to mask PII data, reducing 90% of manual masking work and 70% of manager time on record tracking. Reduced 100% labor cost by implementing a commission calculation system to run monthly batch jobs. Built WhatsApp-Sales force middleware for a charity to optimize text and image transmission using long polling, saving hotline costs. Implemented auto message replies during non-office hours. Migrated 200,000 records to Salesforce and ensured data consistency.

Lead a team of 2 and oversee the software development life cycle by gathering requirements from international users, solution design, prioritizing features, setting milestones, negotiating timelines with clients, providing client-facing explanations, and delivering user training. Implemented a staff contact system on the company site and set up an employee management system for 200 staff to reduce annual maintenance and data management costs by 50%, and built inventory tracking and analysis for a 5.5M annual revenue business with a user-friendly layout. Implemented a leave application system with real-time updates to managers, and designed a subscription site with 1,000 active users across 3 tiers generating $110,000 annual revenue while saving 100% platform charges via self-hosting. Analyzed user metrics with AWS dashboards and system logs to inform business strategy. Containerized the shop promotion page for faster development and deployment. Built a serverless catalog site capable o

Customized generation of invoices, sales orders, inventory statistics, and accounting reports in Odoo ERP to reduce navigation time by 90%. Saved 80% admin cost by implementing tailor-made inventory, sales, purchase, and accounting logic. Developed WhatsApp e-shop capable of handling 1,000 transactions per second. Improved user experience by simplifying e-shop checkout flow and reorganizing monolith Odoo into a microservice architecture to raise modularity, speed data access by 25%, and ease maintenance.