Rizki User

Protected matched-giving and raffle payment paths with MySQL named locks, transactions, and row-level locking. Worked on Third Party Event Management and Designated Giving initiatives.

Worked on multiple assignments including Funraisin, Leadplus, and more, focusing on backend and full-stack development.

Improved CRM integration reliability through provider-specific throttling, webhook recovery, identity resolution, direct-to-R2 uploads, and Laravel and PHP upgrades.

Connected verified Midtrans payments to enrollment and invoicing, and integrated application-side SSO and CoursePlayer provisioning across Vue V0 and Laravel-rendered V1 applications.

Added separate response and arrival deadlines to the interwarehouse flow, with scheduled cancellation, audit history, warehouse-scoped authorization, and mobile capability flags.

Built an explicit MySQL-to-Elasticsearch synchronization contract and repeatable alias-backed reindexing, plus Trello, GitLab, and Google OAuth integrations.

Owned subscription state across Stripe, Midtrans, and WooCommerce. Traced a two-to-four-minute production operation to cross-region database latency amplified by query count.

Rewrote a UPS maintenance reporting system in Laravel, with quarterly reports per branch, editable reports, an LDAP name lookup, and live status read from each UPS's web interface.

Built invoice and partial-payment handling, internal sales orders, and multi-assignee IT issue workflows. Also contributed to delivery, reporting, and permission-aware interfaces.

Isolated partial Shopee provider failures and built marketplace stock mapping, inline synchronization, and inventory reconciliation around one stock model.

Built Shopee marketplace workflows alongside invoice and payment features, and contributed across the ERP, CRM, reporting, order, and permission workflows.

Extended the Flutter client and its Laravel API across authentication, assessment verification (coklit), correspondence, and receivables. The device-token migration stayed backward compatible with older clients.

Connected the Epayindo payment wallet to the Winpay gateway with logged, forward-to-merchant notifications, and built the RumahPro marketplace checkout on the Epayindo API with WhatsApp payment links.

Studied Computer Science with a focus on Software Engineering.