• Delivered a multi-tenant D2C e-commerce platform on Next.js App Router supporting isolated merchant scopes via segregated database namespaces (tenant_id, merchant_id).
• Designed and maintained relational database schemas in PostgreSQL, structuring tables for merchants, products, orders, and buyers with strict foreign key constraints and cascade rules.
• Engineered a 5-step transactional checkout pipeline (Identity, OTP, Address, Shipping, Payment) in React 19 and TypeScript, integrating open-source geocoding APIs for real-time address validation to eliminate delivery destination errors.
• Connected payment gateway and third-party logistics aggregator REST APIs, developing dynamic rate parsers based on volumetric weight and destination parameters.
• Engineered a 10-module Admin Dashboard (covering orders, inventory CRUD, flash sales, voucher calculations, and balance auditing) using Next.js nested layouts and API controllers.
• Optimized search engine visibility and crawler compatibility by implementing dynamic XML sitemaps and structured JSON-LD schema across electronic SKUs.

A production-grade multi-tenant D2C commerce platform empowering independent merchants and creators to launch self-managed online stores with zero marketplace deductions.

• Architected and deployed a multi-tenant D2C e-commerce platform empowering independent creators and merchants to launch custom subdomain storefronts without marketplace fee deductions.
• Awarded 2nd Place in the Community Hackathon 2026 and Nominated for the Best Website Award for outstanding technical execution, innovation, and UX speed.
• Engineered a passwordless authentication microservice combining an automated messaging gateway for OTP delivery, server-side JWT verification, and client-side session state handlers.
• Built a zero-friction 3-step checkout with real-time dynamic QRIS and Virtual Account webhook reconciliation via Midtrans API.
• Authored Vitest unit tests and Playwright E2E automation suites to guarantee checkout zero-downtime across transaction state changes.

A high-converting educational sales funnel featuring an interactive ATS resume scoring simulator, conversion copywriting, and instant WhatsApp enrollment.

• Engineered an interactive ATS resume diagnostic simulator with instant client-side score calculations across formatting, keyword hierarchy, and structural parsing.
• Architected a mobile-first funnel with sub-second page loads, achieving a perfect 100/100 performance and accessibility score on Google Lighthouse.
• Integrated automated WhatsApp click-to-chat parameterization with dynamic attribution tracking, increasing lead conversion by 3x compared to legacy links.
• Crafted a Swiss-inspired editorial design system with micro-interactions and smooth scroll triggers using Next.js 15, Tailwind CSS, and Framer Motion.