High-Performance E-commerce Platform Development

AAG Insight Strategy Concept SL is developing a scalable, modular, and high-performance international e-commerce platform specializing in complex bathroom products (faucets, furniture, screens, etc.) for the Spanish, French, German, and UK markets
. The project is designed with a long-term vision to operate autonomously via agentic AI once the initial development phases are complete
.
Key Technical Pillars:
Frontend: Built with Vue 3 (Composition API), featuring a dynamic product configurator for variable attributes, multilingual support (i18n), and a comprehensive administration back office
.
Backend: Developed using Spring Boot (Java 21) with a domain-decoupled architecture
.
Hybrid Database Model: Utilizes MySQL for ACID-compliant transactional data and MongoDB for a flexible, complex product catalog
.
Security & Integration: Implements a robust 4-layer security system (Spring Security, JWT in HttpOnly cookies, BCrypt, and IP whitelisting)
. The platform integrates with SAP R/3 via REST API for master data management
.
Payment Gateway: Simultaneous integration of Redsys, Stripe, and Aplazame, adhering to PCI-DSS principles
.
Open Freelance Roles:
Vue 3 Frontend Developer: Expertise in Pinia, i18n, and secure JWT handling
.
Java Spring Boot Backend Developer: Experience with hybrid databases (SQL/NoSQL) and complex business logic
.
Java Payment Specialist: Proven experience integrating Redsys (SHA-256), Stripe, and financing platforms like Aplazame
.
Project Status: The development follows a phased approach, starting from a pre-established security-hardened foundation
. We are looking for highly technical profiles committed to clean code and rigorous security standards