Building secure & scalable multi-tenant platforms.
Hi, I am Rheno Julius Andreas, a Full-Stack Web Developer specialized in building secure multi-tenant platforms using React.js, Node.js/Express, Next.js, Nuxt 3, and Laravel.
Built for Scale,
Secured by Design.
Full-Stack Web Developer specialized in building secure, scalable multi-tenant platforms using React.js, Node.js/Express, and Laravel. Proven experience working end-to-end, from UI implementation and RESTful API design to database architecture and debugging distributed systems, with a track record of owning full feature cycles from initial API design through to production UI delivery. Adaptable to new stacks and domains, with a self-directed learning habit that goes beyond just shipping features to understanding how systems work under the hood.
Education & Academic Credentials
University of Jember
2026Bachelor of Computer Science — Computer Science(3.88 / 4.00)
- Graduated with High Academic Distinction (GPA 3.88 / 4.00).
- Specialized in Software Systems Architecture, Database Engineering, and Web Security.
Selected Works.
Building-styled project cards featuring production multi-tenant tech stacks and system architecture.
Multi-Tenant Merchant Platform & Portals
- ›Architected full-stack solutions for Backoffice, Merchant, and Partner-Dashboard portals, using Nuxt 3/Vue for Backoffice and Merchant, and Next.js/React for the Partner Dashboard, backed by Express.js/TypeScript services.
- ›Integrated multi-channel payment gateways and engineered secure transfer/disbursement endpoints using SNAP BI authentication standards (RSA/HMAC-SHA512) and webhooks for real-time transaction reconciliation.
- ›Centralized database entities, migrations, and seeders via a shared Git submodule, using TypeORM with PostgreSQL to maintain a single source of truth across multiple repositories.
- ›Implemented layered security across services: JWT-based authentication and permission-based RBAC via Express middleware, column-level encryption for sensitive data, rate limiting, and DTO-level input validation.
- ›Diagnosed and resolved production bugs across distributed, multi-repo codebases spanning core, backoffice, merchant, and partner services.
RSD Kalisat — Hospital Quality Indicator System
- ›Built a web-based hospital quality-indicator reporting management system for RSD Kalisat using Laravel and a RESTful architecture, used by 21 departments to strictly track and manage quality metrics.
- ›Designed and delivered 6 core modules, effectively automating data aggregation and replacing a manual spreadsheet-based workflow that previously consumed 3-5 full working days for 3 Quality Committee staff every month.
- ›Implemented robust Role-Based Access Control with Superadmin, Admin, and Public-facing levels, ensuring strict data isolation and compliance for sensitive medical-administrative records.
BCat — E-Commerce & Product Catalogue Platform
- ›Built a full-stack e-commerce and product catalogue platform (Laravel 12 + Tailwind CSS) featuring interactive product filtering, slug routing, and customer ordering workflows.
- ›Engineered an admin backoffice dashboard managing products, categories, promotional banners, media galleries, FAQs, and global site settings.
- ›Integrated automated SEO optimization tools (Spatie Sitemap & Artesaos SEOTools) and applied Pest PHP for automated testing.
Desa Pasirian — Digital Correspondence System
- ›Built a digital correspondence management system for Desa Pasirian using Laravel, covering 5 modules: correspondence workflow, document archiving, user management, citizen database, and reporting-digitizing a previously paper-based approval process.
- ›Designed RESTful API structures to support modular data communication across the village administration system.
- ›Optimized database queries and schema design for large-scale citizen record archives, supporting a streamlined, single-flow administrative approval process in place of the previous manual method.
System Capabilities.
Structured view of technologies, frameworks, security protocols, and operational workflows.
Component architecture, client-side state, and modern UI frameworks
Multi-tenant services, REST API engineering, and ORMs
Relational queries, database architecture, and cloud data
Payment gateway integration, webhooks, and SNAP BI auth protocols
Strict multi-tenant security layers, SEO tools, and encryption standards
Distributed codebases, mobile, IoT, clean architecture, and testing
Professional collaboration, problem solving, and workflow management