As the Head of R&D, I am responsible for managing and supervising several specialized teams, including back-end development, front-end development, testing and automation, and a DEVOPS team. My primary role is to oversee the productivity of these teams, ensuring that goals are met and implementing tailored evaluation strategies for each discipline.I also assess operational costs and make critical technical decisions regarding architecture and infrastructure. My expertise extends to establishing efficient work and collaboration processes, including testing, development, and release management, to ensure optimal efficiency and high-quality delivery.I work closely with the security team to prepare for and maintain important certifications such as GDPR, ISO-27001, SOC1, SOC2, and PCI-DSS. My role also involves managing team productivity, conducting recruitment interviews, and preparing budgets, ensuring alignment between strategic objectives and available resources.

Designed new architecture in the cloudMaintained git workflows for version control (source code management)Developed and maintained automated CI/CD pipelines for code deployment using Jenkins / Gitlab CI/CD / BitbucketProvisioned cloud services (GCP, AWS, etc) and deployed features using packer/Terraform/Ansible/DockerBuilt and deployed Docker containers for implementing containerized architecture.

Senior IT consultantAWS/GCP architectmongodb administration tuning / ELB / REPLICATION.Oracle/MYSQL/PostgreSQL Administration & TuningLinux System administration & TuningApache & Nginx ON centos/redhat/ubuntu/debian. tuning & supervisingDeploy Resources and logs monitoring platforms (ELK, Nagios Core, Prometheus & Grafana)Infrastructure As A code with Terraform-PACKER-Dokcer-AnsibleWorkflow and DEVOPS management with Jenkins, GitlabCI/CD, GitHub, etc.Cloud architecture auditCreate business continuity plan to enhance availabilityCoach Agile team to reach objectives

- Cloud Migration: Led the migration from OVH dedicated servers to AWS, including setting up VPCs, subnets, S3, Glacier, Elastic IPs, CloudWatch, CloudFormation, ELB, ASG, AMI, IAM, and more.- Team Building & Management: Recruited and developed a high-performing testing team for unit, integration, and system testing across web and mobile platforms (Android, iOS).- Project Management: Managed software development projects using Redmine, JIRA, and Trello, ensuring timely delivery and high-quality output.- Analytics Oversight: Directed analytics for web and mobile applications with Google Analytics, Google Tag Manager, Firebase, and Segment, optimizing user engagement.- System Administration: Oversaw system setup, maintenance, backups, and performance tuning on Debian, CentOS, Redhat, and Ubuntu environments.- Agile Leadership: Led development teams using Scrum Agile methodologies, effectively managing workflows with Redmine and JIRA.- Monitoring Implementation: Implemented monitoring solutions using Nagios Core, Prometheus, and Grafana to maintain system uptime and performance.- AWS Architecture: Architected and managed AWS services including AWS RDS, IAM, S3, EC2, CloudWatch, VPC, ELB/ALB, ensuring a scalable and secure cloud infrastructure.- Load Balancing & Replication: Administered load balancing and replication to enhance system reliability.- SSL Certification: Managed SSL certification processes, including Let's Encrypt, for secure web applications.- Database Audits: Conducted thorough audits of relational (MySQL, Oracle, PostgreSQL) and NoSQL (MongoDB, Redis, cassandra) databases to maintain data integrity and optimize performance.

Mise en place de solutions de supervision NAGIOS Core personnalisées pour le parc des serveurs / switch / routeurs / onduleurs / firewalls / printers / SGBDs Oracle. MySQL. PostgreSQL / serveurs web / Serveur FTP / serveur de messagerie / etc.Administration des serveurs web Apache / Nginx / Reverse Proxy / Apache-tomcat.Administration bases de données MySQL - MariaDB/ Oracle / PostgreSQL.Administration des bases de données NoSQL (MongoDB, Cassandra)Gestion des configurations Linux avec AnsibleFormation GIT.AWS ==> S3 / Glacier / EC2 / RDS / Elastic IP / Route 53.Mise en place de solutions de backup personnalisées avec rsync (AWS CLI / S3).Mise en place de solution ssl / https pour les serveurs web ainsi que les serveurs d'application.Administration VPS/Serveurs dédiés chez ovh.Programmation coté base de données avec Oracle PL/SQL et PostgreSQL.Mise en place de serveurs FTP.Web Analytics : Google Tag Manager. Google Analytics (Audience/Acquisition/Behavior -Goal-event-funnel pour les applications web et mobile). Firebase

IT team leader - Développement web et mobile (Android & cross-platform) GIT — SCRUM

développement android / cordovadéveloppement java / JEEdéveloppement pythondéveloppement web php/ jquery / bootstrapdéveloppement sql/plsql Oracledéveloppement pgsql / postgresql

coordinateur Mastère professionnel en informatique décisionnelchargé des modules Gestion de projet / développement mobile / Administration bases de données relationnelles .Oracle. Mysql

As a Research Assistant and teacher at the University Paul Cézanne in Marseille, France, I was responsible for teaching lectures, tutorials and practical sessions for the following modules: C programming, Object-Oriented Programming, and Software Engineering. Additionally, I supervised technical projects for engineering students in Computer and Industrial Engineering (GII).

- Etude de l’existant, conception générale et étude détaillée du système d’information duministère des affaires sociales de la Tunisie (Projet multi-sites). Animation des réunionsd’étude et de validation.- Développement des applications relatives au système d’information avec ORACLEDesigner6.0 et Developer6.0 ayant comme SGBD oracle 8i/9i dans une architectureClient/Serveur à bases de données réparties.- Mise en place du système développé et formation des utilisateurs.

- Etablissement du schéma directeur informatique de la Société Nationale de PromotionImmobilière de Tunisie « SNIT ».- Elaboration des cahiers des charges (animation des réunions avec les utilisateurs dansdifférents services pour dégager les spécifications fonctionnelles et les techniques visées)des applications informatiques de la SNIT.- Développement et intégration des maquettes et des états avec l’AGL de l’ERPJDEdwards OneWorld (Actuellement EnterpriseOne) pour le compte de la STIP.