
Aristeidis G
Full Stack Developer
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Experiência profissional
Full-Stack & Mobile Solutions Architect
Domain fitness Industry • Freelance
Nov 2025 - Feb 2026 • 3 mos
Architected and developed a unified mCRM (Mobile Customer Relationship Management) ecosystem, consisting of a cross-platform mobile application for users and a robust web-based CRM for administrative management. Key Responsibilities & Deliverables: Unified CRM Infrastructure: Designed and engineered a custom Web CRM from scratch to centralize user management, monitor real-time interactions, and streamline data workflows between the mobile app and the backend. Mobile mCRM Development: Developed a high-performance mobile application using React Native and TypeScript, allowing for seamless user engagement and real-time data synchronization with the central CRM. Backend & Database Design: Architected a scalable Node.js REST API and a MySQL database schema optimized for complex relational data, ensuring high availability and data integrity. Security & Access Control: Implemented advanced security layers, including JWT authentication and strict Role-Based Access Control (RBAC) to protect sensitive client information within the CRM. Automation & Localization: Integrated automated workflows for data tracking and a multi-language system (i18next) to support a diverse, international user base. Technologies Used: React Native, Node.js, TypeScript, MySQL, JWT, REST APIs, i18next, Expo, Web Dashboards.
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elisa_stef

Estados Unidos
The freelancer was professional, paid great attention to detail, and our communication was clear and efficient. He responded quickly to all my messages and questions, and kept me updated at every step. The result was perfect and delivered on time with consistency.
Até US$ 50
$
1 dia
Tempo