Issiack NSENGIYUMVA Profile
BRIEFLY

Starting my carrier as application developper where I got essential development skills in diverse programming skills. And now, since last four years I take my career to another lever tackling more advanced topics (applications HA and resilience, monitoring, ...) mostly based on cloud architecture

Degree and Certifications:

Degree:
  • Master in Computer Science
Certifications:
  • [05/2024 - 05/2026] The Linux Foundation Certified Kubernetes Administration (CKA)

Competencies

  • Development (Java, Python, Bash)
  • Infrastructure As Code (Terraform, Ansible)
  • Microservices Orchestration (Docker, Kubernetes and Helm)
  • Public Cloud : Amazon Web Services (AWS)
  • CI / CD (Jenkins, Algo CD)
  • Linux (RHEL & Debian)

Experiences

  • [ June 2020 - June 2024 ]: Cloud and DevOps Ingineer

    Customer: Transactis

    Resume:
    Transactis is specialized in digital payments solutions, it proposes to its customers complete, real time, highly available and modular services know more ...

      Missions :
    • Development of application metric data collector (frontend: grafana-server, and backend: java + postgres SQL)
    • Application deployments in private cloud
    • Management of application life cycle components with ansible and terraform (openstack images, infra provisionning, x509 certificates, release patching, ...)
    • Management of application server environment (JBoss EAP Servers) automation with ansible AWX (application deployments, server start/stop, ...)
    • Development of ansible playbook for daily operation automation
    • Development of clients application to consume ansible AWX exposed REST Services
    • Batch and Tasks Scheduling with ControlM BMC and crontab (bash shell )
    • PostgreSQL as service administration and DDL and DML SQL scripts release
    • Oracle DDL and DML SQL scripts release
    • Microservices Containerization with Docker and Podman
    • Microservices Orchestration with Kubernetes
    • Microservices packaging and release with helm
    • Microservices integration with kafka
    • Release CI/CD jenkins pipelines
    Technical Environment :
    • Operating System : Linux (RHEL 8 & 9, CentOS, Aix 7.1), Windows
    • Private Cloud (OpenStack virtual Server, OpenStack images, Load Balancing, S3, PostGreSQL, ...)
    • Systemd Services (grafana, kafka, ha-proxy)
    • Application Servers: Weblogic, Jboss EAP,
    • Programming Languages : JAVA, PYTHON, SQL, BASH
    • Tools : Ansible AWX (Towel), Terraform, Jenkins, GitHub
    • IDE : Visual Studio Code, Eclipse
  • [ October 2018 - March 2020 ]: JAVA / J2EE API Developer

    Customer: Air France

    Resume:
    Air France is the French national aeronautic campany. Within its customer care department, the API role was to present REST Endpoints to frontend applications and making requests to different backend services, One of its important service was the SelfService, aiming at automatizing the claim processing hence reducing the load to agents in call center. know more about Air France...

    Missions :
    • Application Design and Conception
    • Manage application life cycles (Development, Test, Deployment, Bugs Fix)
    • Agile Scrum meeting participations
    • Maintain and Evolution of different applications
    • Application users help and support
    Technical Environment
    • Operating System: Windows
    • Programming Language: Java 8, Springframework
    • RDBMS: Oracle
    • Altassian suite (BitBucket, Bamboo, Jira)
    • IDE: Eclipse, IntelliJ
  • [ Feb 2018 - September 2018 ]: JAVA / J2EE Web Application Developer

    Customer: Lyra NetWork
    Resume:
    Lyra NetWork is a company specialized in Payment Services, at Lyra I participate in a project of development of micro-services and TMA. know more about Lyra...

    Missions :
    • Application design and Implementation
    • Application tests (Unit, Performance, …)
    • Application deployments (Jenkins )
    • Maintenance of applications (bugs corrections and evolutions)
    Technical Environment
    • Operating System : Windows,
    • IDE: Eclipse.
    • SCM: Git,
    • DBS: Oracle,
    • Application Server: GlassFish
  • [ October 2017 - Feb 2018 ]: JAVA / J2EE Web Application Developer
    Customer: Michelin
    Resume:
    Michilin is a French company globally known for its tires. My mission at Michelin was to maintain their supply chain application (SPD: supply chain deployment). know more about Michelin...

    Missions :
    • Undestanding application main components
    • Develop new functions in application
    • Bug correction and application maintenance.
    • Application Deployment
    • Application Help Desk and support
    Technical Environment
    • Operating System : Windows,
    • IDE: Eclipse
    • SCM: Git, SVN
    • DBS: Oracle
    • Application Server: Weblogic
  • [ April 2017 - August 2017 ]: Python / Angular JS Web Application Developer
    Customer: Gamm Vert
    Resume:
    Gamm Vert is a French company specialized in garden products and materials selling. Here at Gamm Vert, I work as a web developer on their e-commerce internet website. know more about Gamm Vert...

    Missions :
    • Understanding application and its environment
    • Bugs corrections and application evolution
    • Participate in Agile ceremonies
    • Update application User Guide
    Technical Environment
    • Operating System : Linux Ubuntu,
    • IDE: Eclipse
    • SCM: Git
    • AngularJS
    • Python