- Led front-end development for itemku.com, a gaming e-commerce platform with over 1.3M monthly active users.- Spearheaded the Q4 2024 Front-End Task Force to improve itemku.com’s core web vitals, reducing poor URLs by 95% (mobile) and 64% (desktop), and boosting good desktop URLs by 3100% in Google Search Console.- Improved Largest Contentful Paint (LCP) by +20.18% (desktop) and +59.33% (mobile), and Cumulative Layout Shift (CLS) by +108.99% (desktop) and +35.21% (mobile) based on CrUX data from May & June 2024.- Led SEO revamp initiative with configurable title & meta tags, internal links generation and SEO bottom content, collaborating closely with the SEO team.- Began handling backend tasks and transitioned to a full-stack role starting in August 2023, expanding expertise in Koa.js, Lumen, SQL, and Meilisearch Search Engine.- Implemented a new Meilisearch product scoring algorithm in Quick Buy.- Served on-call rotations, troubleshooting cross-division issues and incidents.

- Implemented persistent payment states across multiple tabs, addressing user pain points.- Improved wallet, order history, and payment interfaces in collaboration with the product team and based on Figma designs.

- Led a team of 5 developers, focusing on the Sparrow Exchange trading platform, developed using Vue.js.- Integrated back-end APIs and WebSocket to build responsive and data-driven trading interfaces.- Introduced best practices in CSS architecture using SCSS, BEM, and ITCSS to enhance team efficiency.

Developed various websites using PHP frameworks and CMS: CodeIgniter 2, Wordpress, Laravel.