Freelancer profile translated to English.

Description

Java/Kotlin & React.js FullStack Developer,backend-oriented, with expertise in microservices and monolithic architectures.

Over 7 years of experience in designing, developing, and maintaining robust and scalable web applications.

Proficient in backend technologies (Java/JEE, Kotlin, Spring Boot) and frontend technologies (React.js, Redux). Solid experience in REST, microservices, and Event-Driven Architectures.

Rigorous practice of quality standards: TDD, BDD, DDD, and Clean Code.

Involvement in the entire software lifecycle, from business analysis to production deployment.

-> Contact me for your projects, whether simple or complex, I will meet your needs.

#TechForBusiness

Industry field of expertise

Languages

English
Fluent
French
Fluent
Arabic
Native or bilingual

Workplace preferences

Can work on-site

Paris (up to 30km)

Skoleom Platform
Fullstack Java/React Consultant
E-COMMERCE
January 2025 - Today (1 year and 5 months)
Paris, France
Participated in the development of an innovative extension connected to over 2000 platforms and websites, directly integrating the purchase process within audiovisual content (videos, live streams, replays).

Project Objective
Create a fluid and integrated shopping experience for the user, by automatically detecting products visible in videos using advanced AI, and enabling a one-click purchase without leaving the content.

Main Responsibilities
Design and development of backend services in Java (Spring Boot).
Re-internalization and optimization of certain backend functionalities.
Development of extension features (ReactJs).
Integration of the Backend with frontend products and content analysis AIs.
Development and maintenance of robust and scalable RESTful APIs.
Optimization of mass data flow management.
Integration with third-party services and OTT partners.
Ensure adherence to code quality standards.
Code review
Technical documentation
Participation in Agile ceremonies (stand-up, sprint planning, retrospectives)

Technical Environment

Java, Spring Boot, React, Tailwindcss, NestJs, REST API, PostgreSQL, Kafka, NoSQL, Docker, Docker-compose, CI/CD, Oracle Cloud, Chrome Extension Development.
Spring boot Apache Kafka Java React.js
Compagnie Des Alpes
FullStack Kotlin/ReactJs Engineer
ENTERTAINMENT AND LEISURE
January 2023 - October 2024 (1 year and 9 months)
Paris, France
Participation in an ambitious project to develop an online sales funnel for the amusement parks of the CDA group (Parc Astérix, Walibi Rhône-Alpes, Bellewaerde Aquapark, etc.). This platform allows end-users (B2C) and works councils (B2B) to purchase tickets, passes, and personalized offers.

**Main Missions and Achievements**:

Technical Scoping of the project:
Definition of communication interfaces and integration points.
Collaboration with the parks' backend teams, the payment system, and the authentication system.

Design and Development:
Implementation of key features: single tickets, packages, passes, renewals, add-ons, cross-selling, and promotional offers.
Implementation of feature flags for progressive deployment of new features.
Creation of scripts for the CMS (Contentful).

Quality and Performance:
Adherence to Clean Code and Domain Driven Design principles.
Use of design patterns.
Writing unit and integration tests.
Refactoring to improve code structure and optimize performance.

Bug Analysis and Resolution:
Identification and correction of anomalies reported by users and QA teams.
Validation of fixes through thorough testing.

Code Review and Documentation:
Analysis and validation of code produced by the team.
Proposal of improvements and best practices.
Writing technical documentation: installation guides, configuration instructions, feature usage guides, and API documentation.

**Impact**:

Thanks to this project, the user experience has been considerably improved, allowing for smooth online purchase management and better integration of the parks' various offers.
Kotlin React.js Amazon Web Services Clean Code Redis
Assistance Publique - Hôpitaux de Paris
FullStack Java / React Consultant
HEALTH AND WELLNESS
November 2021 - December 2022 (1 year and 1 month)
Paris, France
**Context**:

BaMaRa application is a free web application provided to partner healthcare facilities by AP-HP. It allows professionals from reference and competence centers for rare diseases to collect and exploit their data.

**Mission**:

The mission consisted of migrating the BaMaRa application from version V2 to V3. This technological migration aimed to:

Modernize the architectureby moving from Ruby and MongoDB to Java, React, and Postgres.
Improve application performanceand scalability.
Implement newfeatures to meet user needs.

**Tasks**:
Participation in the design and implementation of the application architecture.
Development of the various components of the Front-end project, developed with React Js.
Managing the responsive design of the web application.
Development of the various "Back-end" services in a micro-services architecture using Java 11.
Creation and management of Elasticsearch indexes.
Creation of a script for reconciling practitioners by eliminating duplicates. (Stream API)
Sending notification emails / reports to users.
Testing and validation of developed front and back functionalities. (Junit, Mockito, WebdriverIO, Jest)
Refactoring of existing code.
Code review
Writing technical documentation

**Impact**:

-Successful migration to a modern and high-performance architecture.
-Improved user experience and added new capabilities for centers specializing in rare diseases.
Java/JEE React Microservices Elasticsearch ActiveMQ