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Mohamed BelabbesMB

Mohamed Belabbes

Full Stack Developer Java/Angular

€550/day
Lyon, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Mohamed

A Full stack developer with 5 years of experience in Java, Angular and DevOps tools like Docker, Kubernetes and CI/CD.
I have worked in several business sectors such as pharmaceutical distribution, energy distribution, and retail.

  • French

    Native or bilingual

Can work on-site
Lyon (up to 50km)

Experience

  • IT Solutions Factory
    Software Engineer
    TELECOMMUNICATIONS
    April 2024 - Today (2 years and 2 months)
    7th Arr., Lyon, France
    đź“Š Project:
    GALAXION – Integration of the GALAXION CRM for the Irish telecom operator EIR and automation of integration with service providers.

    đź’Ľ Tasks performed:
    • Participation in sprint planning meetings with the Scrum Master, Product Owner, and team to refine User Stories.
    • Migration of microservices to Java 21, including Keycloak configuration and setup of the new KrakenD API Gateway.
    • Development of new features for the collections and credit notes management modules.
    • Creation of the eir-staner-facade microservice for integrating the Stancer payment service provider.
    • Bug fixing in production across all microservices.
    • Performing unit and integration tests to ensure code quality.
    • Participation in code reviews to ensure the conformity and robustness of deliverables.
    • Participation in technical meetings to propose new approaches and technologies aimed at improving project quality.
    Java Spring boot Microservices Gitlab CI/CD Keycloak MariaDB Grafana Kibana Prometheus Apache Kafka RabbitMQ
  • Aptineo
    Full Stack Developer
    RETAIL (SMALL BUSINESS)
    October 2022 - January 2024 (1 year and 3 months)
    Paris, France
    **Company**: APTINEO (ESN)

    **Client**: Maisons du monde

    **Project 1: Horizon**, implementation of the SAP S/4 Hana cloud solution in its public cloud edition, replacing the current accounting software Talentia.

    Team: 1 Finance Project Manager, 1 Product Owner, 1 Software Architect, 5 Java backend Developers, 1 Development Manager, 1 Domain Manager.

    Tasks performed:
    - Participation in sprint planning meetings with the Product Owner and the business team to refine user stories.
    - Development of Spring batch components to transfer files from SFTP to Google Cloud Storage (supplier invoices, accounting provisions).
    - Development of a Spring batch component to integrate purchase orders and refunds from the Oracle database into SAP accounting.
    - Development of a Spring batch component batch-financial-refund to read refunds from the Oracle database into SAP accounting.
    - Setup of a Spring Web Flux flow to receive treasury data from stores published by the store POS application into the Google Pub/SUB asynchronous messaging service and integrate it into the accounting system.
    - Development of the store-treasuries module in the api-accounting-store-sale to record data in a PostgreSQL database.
    - Participation in the development of the Spring Web Flux flow-web-invoice component which reads a payload published in Google Pub/SUB by the online sales application and integrates it into SAP accounting.
    - Launching production deployment requests.
    - Performing unit and integration tests.
    - Code reviews.

    Technologies: Java 17, SpringBoot, Spring Batch, Spring Web flux, Microservices, Docker, Kubernetes, Gitlab CI, Rundeck, GCP, Google Bucket, Google Pub/SUB, Oracle, PostgreSQL, Gitlab-ci, JUnit 5, TDD, Jira, Confluence, SAP BusinessObjects Agile Scrum.

    **Project 2: MangoPay**, a new Payment Service Provider to be integrated into the Maisons du Monde IT system.

    **Team**: 1 Product Owner, 1 Software Architect, 5 Java Backend Developers, 1 Development Manager, 1 Domain Manager.


    Tasks performed:
    - Participation in sprint planning meetings with the PO and the business team to refine user stories.
    - Development of a Spring batch component batch-mangopay-payout-seller-fees to perform the payout operation of commissions (payment/disbursement flow) from the MangoPay wallet to the Maisons du Monde wallet.
    - Development of a Spring batch component batch-mangopay-transfer-refund-1p to perform the refund transfer operation from the Maisons du Monde wallet to the MangoPay wallet.
    - MangoPay configuration in the database.
    - Performing unit tests.
    - Code reviews.
    JavaScript Spring boot Spring Batch Spring Webflux Microservices MangoPay Docker Kubernetes Gitlab CI/CD Rundeck Google cloud Oracle PostgreSQL JUnit Mockito TDD Atlassian JIRA Atlassian Confluence Agile methodology
  • Advanced Software Solutions - A2S
    Full Stack Developer
    PHARMACEUTICALS INDUSTRY
    July 2019 - October 2022 (3 years and 3 months)
    Mohammadia, Algeria
    Projet 1 : E-LogiPharm, plateforme de commande en ligne des médicaments.
    Equipe : 1 Product Owner, 1 DĂ©veloppeur full stack, 1 DĂ©veloppeur mobile, 1 DĂ©veloppeur frontend, 2 Business analysts, 1 DĂ©veloppeur BDD
    Tâches réalisées :
    - Participation aux réunions de planification des sprints avec le PO et l’équipe métier afin d’affiner les user stories.
    - DĂ©veloppement des API REST en utilisant Spring Boot.
    - Implémentation de l’architecture microservices avec 3 microservices : un microservice API core contenant les différents processus métier et les différents endpoints REST, un microservice nommé logi-communication pour l’envoi des emails et sms et un microservice nommé logi-invoice pour la génération et la création des factures et rapports.
    - Développement de l’application web en utilisant Angular 9.
    - Développement de l’application mobile avec Flutter et le langage de programmation Dart.
    - Mise en place de la base de données en utilisant Oracle 11G.
    - Intégration du code et fusion des modules avec Git.
    - Assurer l’intégration continue avec Jenkins.
    - Assurer la maintenance corrective et Ă©volutive.
    - RĂ©alisation des tests unitaires en utilisant JUnit 5.


    Projet 2 : E-Facture, un service en ligne pour l’échange de factures et leur intégration automatique entre les pharmacies et les fournisseurs dans le logiciel après leur vérification.
    Equipe : 1 Product Owner, 1 DĂ©veloppeur full stack, 1 Testeur.

    Tâches réalisées :
    - Participation aux réunions avec l’équipe métier afin de clarifier le besoin et rédiger les documents de spécifications.
    - Utilisation de la méthode Agile (Scrum).
    - Participation à la conception du modèle de données nécessaire à l’implémentation de la solution.
    - Développement de l’API REST avec Spring Boot.
    - Développement de l’application web en utilisant Angular 13.
    - Intégration d’un système de notifications par mail et de notifications push notifications avec Firebase cloud messaging.
    - Implémentation de la base de données avec MongoDB.
    - Intégration du code et fusion des modules avec Git.
    - Maintenance corrective et Ă©volutive.
    - Utilisation de l’approche TDD pour tester l’application.
    - RĂ©alisation des tests unitaires en utilisant Jest.



    Projet 3 : LogiPharm Web, migration de l’ERP LogiPharm vers une solution WEB.
    Equipe : 2 PO, 2 DĂ©veloppeurs backend, 3 DĂ©veloppeurs frontend, 2 DĂ©veloppeurs mobile, 2 Testeurs.

    Tâches réalisées :
    - Participation aux réunions avec l’équipe métier afin de clarifier le besoin et rédiger les documents de spécifications.
    - Rédaction du cadrage et documents de design technique en concertation avec l’équipe de développement.
    - Implémentation de la base de donnée avec Oracle Entreprise Edition.
    - Mise en place de la partie backend en utilisant une architecture microservices.
    - Développement d’un système de synchronisation des données entre les applications mobiles et le backend.
    - Mise en œuvre d’un système de notification par mail (API MAILJET) et de notifications push en utilisant Firebase cloud Messaging.
    - Développement du module de comptabilité api-accounting.
    - RĂ©alisation des images Docker.
    - Implémentation des pipelines avec Gitlab ci et la configuration du cluster Kubernetes.
    - RĂ©alisation des tests unitaires.
    - Revues de code.


    Java Spring boot Microservices Oracle Gitlab CI/CD Docker Kubernates Apache Kafka Keycloak JUnit TDD Atlassian JIRA Atlassian Confluence
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Education

  • Master's degree, Computer Software Engineering
    Higher School of Computer Science 08 May 1945 - Sidi Bel Abbes
    2019
    Master's degree, Computer Software Engineering
  • DiplĂ´me d'ingĂ©nieur d'Ă©tat, Computer Engineering
    Higher School of Computer Science 08 May 1945 - Sidi Bel Abbes
    2019
    Diplôme d'ingénieur d'état, Computer Engineering

Skill set (53)

Java
Spring boot
Angular
Kubernetes
Docker
Spring Cloud
Continuous Integration and Continuous Delivery (CI/CD)
Typescript
PostgreSQL
Oracle
MySQL
Node.js
Git
JavaScript
Keycloak
Microservices
MongoDB
Spring Batch
Data Migration and Backup
ERP Integration with External Systems
Software Architecture
Apache Kafka
Gitlab CI
CI/CD Management
Containerization and Virtualization
Microservices Architecture
External API integration
Backend Service Development
Content Integration
System Integration
Kafka
SQL
Bootstrap
Gitlab CI/CD
MariaDB
Grafana
Kibana
Prometheus
RabbitMQ
Spring Webflux
MangoPay
Rundeck
Google cloud
JUnit
Mockito
TDD
Atlassian JIRA
Atlassian Confluence
Agile methodology
Android
ETL
Talend Open Studio
GitHub

Categories