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Jason CatbaganJC

Jason Catbagan

Java / Spring Boot / Angular Developer

€530/day
Roissy-en-Brie, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Jason

🎯 Fullstack Java / Angular Developer with 8+ years of experience

I help you design and develop robust and modern web applications, both on the backend (Java 21 / Spring Boot 3) and frontend (Angular 16–18).

âś… What I bring you:
  • Performant, secure APIs (OAuth2, JWT, Auth0)
  • Reactive and modular interfaces (RxJS, Signals)
  • Mastered CI/CD (CircleCI, ArgoCD, AKS)
  • E-commerce expertise (B2C and B2B)

🎓 Certified Java SE 21, Spring, and Angular 18 (Senior level – Google Developer Expert)

Available to discuss your needs, see you soon.
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Roissy-en-Brie (up to 50km)

Experience

  • CRYSTAL GROUP
    Full-stack Java / Spring Boot / Grails Developer
    October 2022 - December 2024 (2 years and 2 months)
    Paris, France
    • Development of a wealth management web application, and a CRM for advisors
    • Migration of the Grails application to Spring Boot 3, offering better performance and easier maintenance.
    • Implementation of full-text search with MongoDB Atlas Search to improve search relevance and speed.
    • Automation of builds with CircleCI significantly reducing the time spent building the project.
    • Continuous deployment on an AKS cluster with Argo CD following a GitOps approach, accelerating production deployment and improving deployment reliability.
    • Integration of the Carbone On-Premise solution for generating documents (PDF, PPTX) with data insertion. Hosted on Azure Container Apps.


    **Technologies**:
    • Languages & Frameworks: Java 21, Grails 2.5.3, Spring Boot 3
    • Databases: MongoDB, MongoDB Atlas, MySQL
    • Cloud & Containers: Azure Kubernetes Service, Microsoft Azure Container Apps
    • Cluster Monitoring: Rancher, OpenLens
    • CI/CD: CircleCI, ArgoCD
  • Tape Ă  l’oeil
    Application Manager
    RETAIL (LARGE RETAILERS)
    February 2021 - April 2021 (2 months)
    France
    Mission:
    - Handling and qualifying PRODUCTION incidents
    - Improving platform performance and quality with Dynatrace and Kibana

    Technologies: SAP Hybris / Dynatrace / Kibana
  • GL events
    Tech Lead SAP Hybris / Java - GL Events
    ENTERTAINMENT AND LEISURE
    January 2020 - November 2020 (10 months)
    Levallois-Perret, France
    Mission:
    - Redesign of the SAP Hybris B2B e-commerce platform to generate on-demand B2B sites
    - Creation of the SAP Hybris B2C site.

    Technologies: SAP Hybris version 1811 / Java 8 / Spring

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Education

  • Master 2 (M2), Computer Science
    Université Paris-Est Marne-la-Vallée
    Master 2 (M2), Informatique

Certifications

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