# Professional Experience

1. 7f3a9e2 DevOps Engineer (HEAD → main)
   Amelkis Solutions 2025 – Present
   • Building and operating CI/CD pipelines and containerized workloads
   • Automating infrastructure provisioning and deployment workflows
   • Administering Linux-based environments and internal tooling
   DockerKubernetesCI/CDLinuxAutomation
2. d3c5f77 Federated Learning for IoT Intrusion Detection (HEAD → main)
   Research Project, MISC Laboratory Dec 2025 – Present
   • Designing a privacy-preserving simulation framework for IoT intrusion detection systems (IDS) using Federated Learning (FL)
   • Optimizing decentralized model training across heterogeneous IoT nodes to detect anomalies while minimizing data exposure
   Federated LearningIoT SecurityIntrusion DetectionDistributed AI
3. 5a1c9b3 Systems & Infrastructure Administrator (HEAD → main)
   MISC Laboratory Jan 2025 – Present
   • Architected and managed lab virtualization infrastructure using Proxmox VE, OPNsense, and WireGuard VPN
   • Orchestrated containerized workloads using Docker and Kubernetes for centralized lab services
   • Implemented network security with DMZ segmentation, automated SSL/TLS management, and openLDAP SSO
   • Orchestrated a multi-user JupyterHub environment for deep learning research with GPU resource allocation
   ProxmoxOPNsenseDockerKubernetesWireGuardopenLDAPJupyterHub
4. c42b940 Real-time Violence Prediction & Access Control
   Ph.D. Project, MISC Laboratory Dec 2024 – Jul 2025
   • Architected a high-concurrency, event-driven microservices architecture using Apache Kafka as the message broker, utilizing asynchronous event streams to decouple video ingestion, inference engines, and access control logic
   • Engineered a multimodal deep learning pipeline integrating ResNet-based spatial-temporal features and facial emotion recognition, achieving 97% accuracy with optimized inference latency for edge deployment
   • Deployed a containerized processing stack using Docker, implementing full-stack observability with Prometheus and Grafana to monitor system health and ensure near-instantaneous detection
   PythonResNetDockerApache KafkaPrometheusGrafanaMicroservicesComputer Vision
5. a3f9c21 Instructor in Machine Learning (HEAD → main)
   Socode Sep 2024 – Present
   • Designed and taught a complete Artificial Intelligence program to 100–200 students
   • Covered supervised learning, regression, classification, neural networks, and Generative AI
   • Supervised hands-on Python projects, emphasizing practical implementation and ethical AI practices
   TeachingMachine LearningPythonAI
6. e81d4f6 Intern Supervisor — WiFi-Enterprise Infrastructure
   MISC Laboratory Jun 2025 – Jul 2025
   • Supervised interns deploying WiFi-Enterprise infrastructure for the lab
   • Supported 20–100 users using 802.1X, LDAP authentication, and FreeRADIUS
   802.1XLDAPFreeRADIUSNetworking
7. b57e013 Research Engineer — IoT Middleware & Access Control
   MISC Laboratory Nov 2023 – Jul 2024
   • Implemented formally verified, context-aware service discovery and collaboration protocols within a middleware for IoT-connected devices
   • Enabled self-healing and recovery in distributed environments
   • Integrated and deployed facial-recognition-based access control services as part of the Smart Lab project
   IoTMiddlewareFacial RecognitionDistributed Systems

# Teaching Experience

1. 9d02c7a Lab Instructor (HEAD → main)
   Université de Constantine 2 2024 – Present
   • Distributed Algorithms — consensus, fault-tolerance, and leader election mechanisms (Master’s level)
   • Advanced Operating Systems — process synchronization, concurrency, and inter-process communication
   TeachingDistributed SystemsOperating SystemsGo
2. 4c8bb1e Teaching Assistant (HEAD → main)
   Université de Constantine 2 2024 – Present
   • Assisted practical sessions for the Master’s course: Verification and Validation of Distributed Systems
   • Supported students applying formal verification, model checking, and testing methods to distributed architectures
   Formal MethodsModel CheckingLOTOS

# Community

1. 12ef5a8 Instructor & Community Organizer
   Google Developer Group (GDG) Constantine Sep 2022 – Dec 2023
   • Led workshops and events such as DevFest 2021–2022
   • Introduced participants to Go, web services, and cloud technologies
   • Promoted peer learning and collaboration through interactive, hands-on sessions
   CommunityGoWorkshops

@inproceedings{halladj2025multimodal,
  title     = {A multimodal approach for real-time violence detection based on physical actions and facial expressions},
  author    = {H. Halladj, A. Bouzenada, D. E. Saidouni, M. R. Bennamoun, and A. Nouari},
  booktitle = {Proceedings of the First International Conference on Smart Applications (ICSA 2025)},
  year      = {2025},
  note      = {accepted}
}

# Talks & workshops

• Building Integrated IT Services for Research and Development ITRANS 2025 (Speaker) · University of Constantine 2
• Introduction to Python Programming for Web Development WebExpo 2025 El Djazair (Workshop Instructor) · Constantine, Algeria
• Smart Access Control via IoT: Contribution to the Smart City Project SENV'24 (Presenter) · MISC Laboratory
• Create Your First Web Service Using Go GDG DevFest 2022 (Workshop Instructor) · Constantine, Algeria

$ locale: Arabic (native) · English (IELTS 7.5 (C1)) · French (TCF B2)