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Jean-Jacques Etune NgiJE

Jean-Jacques Etune Ngi

Java JEE Expert / Senior Enterprise Architect

€700/day
Paris, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Jean-Jacques

As an Enterprise Architect & Java/Spring Expert | Cloud, API, Integration, DevOps, I support you in the design, modernization, and security of your information system, combining technical expertise, business vision, and pragmatism.

🧩 What I do for you
✔️ IS Architecture Design: High-Level and Low-Level Design (HLD/LLD), functional and technical mappings, application and flow urbanization.

✔️ Software & API Architecture: REST API Design, exposure strategy (Apigee, AWS API Gateway, Kong), lifecycle management, inter-application exchange security.

✔️ Development of Regulatory & Business Projects:

Technical lead for your development teams on your transformation projects.

✔️ Cloud & DevOps:

Setup and management of your continuous integration and deployment software factories and support for your teams in all automation processes for your operational tasks and observability.

✔️ Integration Architecture: Rationalization of mediation systems (Kafka, RabbitMQ), flow audit, EDA strategy, supervision & monitoring.

✔️ Industrialization of Domain-Driven Design: team support on strategic and tactical DDD, hexagonal architectures, clean architecture.

  • French

    Native or bilingual

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • Disneyland Paris
    Senior Enterprise Architect
    ENTERTAINMENT AND LEISURE
    December 2024 - Today (1 year and 6 months)
    Seine-et-Marne, France
    Strategic mission within the Information Systems Department

    Context: supporting the digital and regulatory transformation of Disneyland Paris, through business, regulatory, and technical projects of high importance.

    Main responsibilities
    🔹 Steering the architecture of business & regulatory projects
    Regulatory projects:

    Architecture referent for the national E-Invoicing / E-Reporting program (DGFIP):

    Definition of HLD/LLD architectures for the collection, transformation, and transmission of billing data to certified PDP platforms.

    Integration with commercial management systems (EBMS, GTS, TravelBox) and financial systems (SAP FI, SAP SD).

    Strategic business projects:

    Linguini Project: Modernization of physical points of sale (POS) and reservation kiosks (self-service kiosks).

    Architecture of new omnichannel POS solutions.

    Urbanization of flows between front-ends (kiosks) and back-office systems.
  • Disneyland Paris
    Senior Consultant Technical Team Lead
    ENTERTAINMENT AND LEISURE
    March 2021 - January 2025 (3 years and 10 months)
    Seine-et-Marne, France
    • Design of technical architectures/solutions for all services within the scope of managing the lifecycle of Disney Guest profile data (identification data, personal data, digital wallet of products and services, etc...)
    • Design and implementation of performance tests for the Guest Profile ecosystem service components (JMETER/BLAZEMETER/GATLING)
  • Digital Key
    Senior Consultant Technical Lead JAVAEE/Spring and Component Owner
    November 2020 - January 2025 (4 years and 2 months)
    Seine-et-Marne, France
    Implementation of a digital key solution following the CheckIn process in Disney Hotels
    • Definition of the SLA in collaboration with the PO
    • Development of JMeter load test scripts
    • Setup of AppDynamics Dashboards/Business Transactions/Alerts
    • Initiation and Monitoring of the microservice deployment process in LATEST, STAGE, LOAD environments by CLOUD teams (AWS, Load Balancer, API Gateway, AWS Elastic Container Service PaaS/ CloudWatch)
    • Execution of performance tests on the LOAD environment and code optimization to ensure SLA compliance

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Education

  • Cloud Google Cloud Essentials Insights from Data with BigQuery Deploy and Manage Apigee X Skill Badge
    Google
    Cloud Google Cloud Essentials Insights from Data with BigQuery Deploy and Manage Apigee X Skill Badge
  • Master I
    University of Yaoundé
    2007
    Master I

Skill set

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