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Zakaria Z.ZZ

Zakaria Z.

Cobol | Java Analyst Developer

€530/day
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Zakaria

Full Stack Developer on Open technologies: Java / JS / Springboot as well as legacy systems: Mainframe / Cobol. Passionate about technology and innovation, I design and develop IT solutions by integrating the best DevOps practices.

My experience has allowed me to work on various projects, ranging from developing REST APIs and microservices to setting up Kubernetes and Docker environments.

🛠️ What I master:
Languages: Java, Python, Cobol, SQL, JavaScript, C#
DevOps & Tools: Kubernetes, Docker, Git, Sonar, Grafana, Kibana, ArgoCD, Kafka
Methodologies: Agile (Scrum)

📌 My experience in action:
Development and maintenance of REST API microservices in Java 11-17-21 / Spring Boot 3
in a banking environment, particularly on cross-functional topics involving coordination with other teams.
Implementation of Cobol batch programs as well as TP (real-time) processing and integration on the IDz (IBM for z/OS) IDE.
Implementation of solutions for real-time stream processing via Kafka (notifications, emails...).
Development and evolution of the front and back-end parts of internal tools for advisors. (Java / JavaScript / XML)

Collaboration using the Agile Scrum methodology with multidisciplinary teams.

🎯 What I'm passionate about:
Travel: I've had the chance to discover several countries (Greece, Switzerland, Malaysia, etc.)
Cinema: a fan of psychological thrillers and dramas focusing on social issues
Sports: I practice English boxing, swimming, and football

I am currently preparing my transition to freelance and will be available for new challenges very soon. 🎯
  • French

    Native or bilingual

  • English

    Conversational

  • Arabic

    Native or bilingual

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

Experience

  • Bezendigital
    Web Developer
    DIGITAL AND IT
    January 2025 - Today (1 year and 5 months)
    Paris, France
    I develop custom websites for businesses and merchants looking to increase their activity rate.
    Wordpress E-commerce CMS
  • Siège LCL
    Design and Development Engineer
    October 2020 - Today (5 years and 8 months)
    Villejuif, France
    Design, banking IT solutions. Development of REST micro-services in Java 17/SpringBoot 3 via implementation of Cobol Batch programs and associated JCL models on the IBM for z/OS IDE. Development of TP transactions and their connection to advisor tools (in Java) end-to-end: development, testing, deployment (Build). Maintenance of applications in integration and production: version upgrades, dependency updates, vulnerability fixes, adherence to DevOps best practices (Run). Collaboration using the Agile Scrum methodology within a Squad of about twenty people. (Jira Agile).
    Java JavaScript COBOL Agile method SQL

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Education

  • Scientific preparatory class PCSI/PC
    Pôle Sup. Assomption Bellevue
    2019
    CPGE Scientifique PCSI/PC
  • Engineering degree program
    ESILV
    2022
    Cyclé Ingénieur programme Grandes Ecoles

Skill set

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