Freelancer profile translated to English.
Back to original languageAbout Eloy
Full-Stack Developer with over 5 years of experience, I help companies (Startups, SMEs, Design Offices) transform their business tools into robust, fast, and secure solutions.
My approach combines technical expertise with a strategic vision from my background in **Cybersecurity**. I don't just "code a feature"; I ensure it's performant and sustainable.
My areas of intervention:
- **Modernization**: Migration and refactoring of existing applications to ensure maintainability.
- **SQL Performance Optimization**: Audit and acceleration of databases (indexing, query rewriting, complex views).
- **Architecture & Data**: Design of secure APIs, interactive Dashboards, and GIS data processing.
- **Application Security**: Code audits, securing data flows, and fine-grained user rights management.
I am accustomed to environments where data is critical. My goal is to deliver a tool that simplifies your business processes.
French
Native or bilingual
English
Conversational
Can work on-site
Alès (up to 50km)
Experience
- ATDxGIS Full-Stack DeveloperENVIRONMENTALApril 2025 - October 2025 (6 months)Nîmes, FranceComplete refactoring of a business cartography tool.• Modernization of an application in PHP Vanilla / MySQL / JavaScript Vanilla.• Drastic reduction in processing time through SQL optimization (views, indexes).• Security: data validation, creation of a secure routing system, automated tests, Apache/Debian configuration.• GIS processing with JavaScript library (GeoJSON, WKT).• Implementation of a user/admin system with modular rights.• Dynamic statistical modules with ApexCharts.
- CleanBillFull-Stack Web & Data DeveloperSOFTWARE PUBLISHINGJanuary 2020 - April 2025 (5 years and 3 months)Alès, FranceStartup specializing in the dematerialization of receipts.• Development of user web interfaces (PWA) for viewing receipts and merchant-side management.• Implementation of interactive dashboards for analyzing collected data.• Backend design: secure APIs, business logic, data processing, and aggregation.• Stack: Node.js, Vue.js, MySQL, AWS, Docker, Power BI.External missions (CleanBill):· ESI (Capelle Group) – 4 months: Design of a business intranet withSymfony, API Platform, React.js, PostgreSQL.· DVI (Capelle Partner) – 3 months: Development of showcase websites(CodeIgniter) and a mobile application with React Native.
- CleanBillWeb Developer (Apprenticeship)E-COMMERCEJanuary 2019 - January 2020 (1 year)Alès, France• Participation in company organization: writing a security audit and a security policy.• Takeover and improvement of existing services for the CleanBill application: Node.js, React, React Native, AWS.• Creation of a showcase website (WordPress) to highlight the CleanBill application.
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Education
- General IT Degree (L3) Cybersecurity AnalystCNAM2020Architecture Réseau, programmation système, algorithmie, cybersécurité
- Web/Mobile Web DeveloperCODA by SIMPLON2019Développement, création de projet, méthodes agiles, management
Certifications
- Cybersecurity AnalystConservatoire National des Arts et Métiers2020
- General IT DegreeConservatoire National des Arts et Métiers2020