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Abdellah JaaAJ

Abdellah Jaa

Lead Java/JEE Developer

€600/day
Vélizy-Villacoublay, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Abdellah

With over 15 years of experience in Java/JEE environments and 2 years of Angular development experience, I enjoy taking on new challenges, integrating innovative projects, maintaining and evolving legacy projects, all with the goal of ensuring business continuity and delivering maintainable and scalable solutions.

Autonomy, adaptability, teamwork, critical thinking, my ability to learn and analyze business needs, and to design IT components that best meet those needs are assets that allow me to succeed in my missions.

I remain at your disposal for any further information.
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Vélizy-Villacoublay (up to 50km)

Experience

  • LCL
    Lead Backend Developer
    August 2022 - February 2025 (2 years and 6 months)
    Villejuif, France
    Domain: Electronic Signature and Archiving Squad

    The SEA Squad is responsible for the signature platform. It assists other departments throughout all phases (scoping, development, testing) of digitizing their banking products by providing the necessary services and configurations for the platform's various solutions. In this role, I contribute to:
    • Scoping and analyzing business needs to refine functional and test scenarios, and to propose the best integration patterns and application breakdowns.
    • Designing and developing microservices and batches for integrating new partners.
    • Managing the configurations of the various components of the signature platform.
    • Refactoring legacy applications to improve code quality and respond more effectively and quickly to business and partner needs.
    • Implementing and continuously improving CI/CD templates to be more flexible regarding upgrades/evolutions of Kube and Legacy infrastructures.
    • Setting up dashboards and alerts to ensure better monitoring of the signature domain's application portfolio.

    Tech Stack: Java, REST, Spring, Spring Boot, Spring Data JPA, Spring Batch, Docker, Kubernetes, ArgoCD, Vault, Gitlab CI/CD, PostgreSQL, JIRA, JUnit
  • EDF
    Lead Backend Developer
    February 2020 - August 2022 (2 years and 6 months)
    Nanterre, France
    The A2S project is a platform for generating configurable and scalable applications available on WEB, iOS, and Android, published in the EDF store. It is dedicated to business units that want to have spaces for sharing business data and thematic exchange among employees. Among my roles, I can mention:
    - Analysis and scoping of business needs, proposing generic, configurable, flexible, and easily maintainable solutions for both frontend and backend.
    - Proposing and implementing POCs (frontend and backend) to study feasibility and to scope and clarify the vision of the business and clients.
    - Designing and implementing REST APIs for various front-end applications and integration APIs with client IT systems.
    - Assisting and mentoring new developers.
    - Implementing the CI/CD pipeline.

    Tech Stack: Java, REST, Spring, Spring Boot, Spring Data JPA, Spring Batch, Docker, OpenShift, Ansible, Jenkins, PostgreSQL, Git, JIRA, JUnit
  • CIH Bank
    Senior Java / J2EE Developer
    August 2013 - April 2019 (5 years and 8 months)
    Casablanca, Morocco
    Project: Novabank

    Credit Instruction:
    • Proposing and implementing a flexible and scalable solution based on a rules engine for scoring applications and determining decision levels, controlling and validating applications, and calculating fees and interest/insurance rates. The solution enabled rapid and highly effective responses to changes in internal risk policies, pricing, marketing strategies, and central bank regulations.
    • Designing and implementing the convention management application to allow sales representatives to offer customized conventions to companies/real estate developers, enabling them to provide preferential rates, terms, and conditions to their employees/clients for credit applications.

    Branch Operations:

    • Designing and implementing APIs for managing credit lines (GUARANTEES, Discounts, Bonds, Immediate Credit, Market Advances...) and services for consulting/managing amortizing loans.
    • Implementing delegation workflows for credit line operations and for account and credit line contract overdrafts.
    • Developing the VISA batch for settling due dates and defaults, submitting due dates and defaults for decision-making in case of credit line and authorization overdrafts, processing decision outcomes, and generating accounting entries and events for the credit management system (Evolan Loans).

    Tech Stack: Java, EJB 3, JMS, SOAP / REST, JSF, Spring Web Flow, Spring, Spring Batch, Spring Data JPA, Drools / Guvnor BRMS, WebSphere AS, Oracle, PLSQL, Jenkins, Unix

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Education

  • State Engineer in Networks and Communication
    ENSIAS
    2007

Skill set (21)

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