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Halley KonanHK

Halley Konan

DEVOPS

€600/day
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Halley

With over 10 years of experience, I design and deploy robust and scalable DevOps solutions.
I can assist you with:

  • Implementing industrialized CI/CD pipelines (GitLab CI, Jenkins, ArgoCD)
  • Provisioning cloud environments using Terraform/Ansible (AWS, GCP, OpenShift)
  • Migrating your legacy applications to a containerized microservices architecture (Docker, Kubernetes, Helm)
  • Continuously improving your delivery processes (RUN, MCO, monitoring)

Added value: end-to-end project vision, rigor in automation, ability to unite teams.

Deliverables: CI/CD foundations, industrialized pipelines, documentation, technical architecture, technical support, cloud integration.
  • French

    Native or bilingual

  • English

    Conversational

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

Experience

  • Crédit Agricole Leasing & Factoring Tech
    Lead DevOps
    BANKING AND INSURANCE
    August 2023 - Today (2 years and 10 months)
    Paris, France
    Context: Implementation of a templating solution, CI/CD orchestration, and environment provisioning. Responsibilities:
    • Participate in project scoping phases
    • Analyze existing systems and propose solutions tailored to needs
    • Create timelines and macro-planning
    • Implement build and deployment templates on gitlab-ci
    • Conduct Proofs of Concept (POC) with onboarding of existing projects
    • Participate in Sprint Planning, Daily Meetings, and Sprint Reviews (2-week sprints)
    • Provision GCP / AWS cloud environments
    • Migrate Argo-Cd solution to Openshift
    • Lead debriefing meetings
    • Perform unit and functional testing
    • Develop support documentation
    • Provide technical support for pre-production and production environments (RUN). Deliverables:
    • CI/CD solution architecture
    • CI/CD templating and orchestration
    • Cloud environment provisioning
    • Environment Maintenance (MCO)
    Technical and functional environment:
    • Gitlab CI/CD, Jenkins, ARGO-CD, Openshift, Vault, ElasticSearch, Grafana, Dynatrace, Ansible, Terraform, JFROG Artifactory, Docker, Kubernetes, Helm, Kustomize, Amazon EKS, GKS, Python, Maven, Java, Yarn, Scala, Node.js, PHP, Metis, Confluence, JIRA, S3 Bucket, SonarQube, CheckStyle, Spotbugs, dependency-check, PMD, OWASP, ServiceNow, Flyway
    Terraform Kubernetes Gitlab CI/CD AWS Google Kubernetes Engine (GKE)
  • AIFE
    Teach lead devops
    PUBLIC SECTOR
    August 2022 - June 2023 (10 months)
    Responsibilities:
    • Promote DevOps best practices within teams
    • Create CI/CD solution architectures
    • Lead debriefing meetings
    • Estimate timelines for CI/CD platform installation and configuration
    • Define deployment strategies for application solutions in clustered environments (Kubernetes)
    • Configure and install CI/CD solutions
    • Conduct POCs
    • Deploy solutions in clustered environments (Kubernetes)
    • Participate in Sprint Planning, Daily Meetings, and Sprint Reviews (3-week sprints). Deliverables:
    • CI/CD solution architecture
    • CI/CD solution
    • Technical support
    Technical and functional environment:
    • Java 11/17, JAVA REACTIVE, SOAP, REST, SOAP UI, INSOMNIA, Spring 5 (Boot, Data), Maven 3, JIRA, AWS EKS, EC2, Lambda, Kubernetes, Python, Ansible, ARGO-CD, DEPENDENCY TRACK, Docker, GitLab, HARBOR, Helm, ISTIO, Java / J2EE, Jenkins, Jira, Kubernetes, Linux, NEXUS, NGINX, SonarQube, CheckStyle, FindBugs, Git, TRIVY, Vagrant
  • MALAKOFF HUMANIS
    Senior Consultant Full Stack – Referent DEVOPS
    August 2021 - July 2022 (11 months)
    • Promote DevOps practices within teams
    • Create CI/CD solution architectures
    • Define the new development stack
    • Conduct Proofs of Concept (POC)
    • Lead debriefing meetings
    • Estimate timelines for CI/CD platform installation and configuration
    • Participate in Sprint Planning, Daily Meetings, and Sprint Reviews (3-week sprints)
    • Migrate solutions from JAVA 1.4 to JAVA 1.8
    • Develop a roadmap for installation, configuration, monitoring, and improvement of a Continuous Integration / Continuous Delivery solution. Deliverables:
    • CI/CD solution architecture
    • CI/CD platform installation and configuration
    • New technical development foundation. Technical and functional environment:
    • Java (8, 11), Spring 5 (Boot, Data), Angular 8, MULESOFT ESB, Maven 3, JIRA, GITLAB CI, NEXUS, Python, Ansible, MuleSoft ESB, RabbitMQ, Kubernetes, Oracle Database

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Education

  • Master's degree in Computer Science, Information Systems and Application Development option
    CEFIVE (Center for Training in Informatics and Distance Learning)
    2012
    Master de conception en Informatique, option système d'information et de développement d'application
  • Executive Certificate Cloud and DevOps Architect (Block #3 "Information Systems Architect (MS)" (Code
    CentralSupelec
    2024
    Executive Certificate Architecte Cloud et DevOps (Bloc n°3 "Architecte des Systèmes d'Information (MS)" (Code

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