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Ayoub BhijaAB

Ayoub Bhija

Java Developer - Full Stack

€500/day
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Ayoub

🚀 Java / Fullstack Developer with 5 years of experience on critical, high-volume systems. Freelancer since 2024, I work on large-scale national projects (EDF, Accor, Docaposte) with expertise in microservices, event-driven, and high-availability architectures.
🏆 At Accor, I contributed to the IRMA project — the availability engine for 7,000+ hotels worldwide, processing 200 million requests/day and 20 billion offers/day. This project was awarded the Golden Goose Award (highest internal distinction).
💻 Main Stack: Java · Spring Boot · Quarkus · Apache Camel · Angular · Cassandra · PostgreSQL · Hazelcast
📩 Open to freelance opportunities — don't hesitate to contact me!
  • French

    Native or bilingual

  • English

    Fluent

  • Arabic

    Native or bilingual

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

Experience

  • EDF
    Java / Javascript Developer
    PUBLIC SECTOR
    March 2024 - Today (2 years and 3 months)
    Nanterre, France
    Context
    Freelance mission within EDF focused on developer tooling and the Atlassian platform (Jira / Confluence). Objective: reduce
    dependence on costly commercial solutions by developing custom internal plugins tailored to the group's constraints.

    Achievements:

    • Development of a ServiceNow → Jira integration plugin: repatriating key data from ServiceNow directly into
    Jira, significantly reducing the number of ServiceNow licenses required within the group.
    • Development of an AI plugin on Confluence: automatic generation of Confluence page summaries via an LLM,
    improving knowledge capitalization and quick access to documentation.
    • Development of several other internal plugins in response to specific business needs of the group.
    • Proactive contribution: co-design and development of an internal Jira alternative POC with the team, in response to the
    datacenter to cloud migration imposed on the group. The POC generated interest from several teams (not pursued due to
    stability and timeline reasons).
    • Use of multiple Java versions depending on the context: Java 11, 17, and 21.
    React.js Full-stack Development Atlassian Google cloud Java Spring
  • Efluid SAS
    Java Consultant Developer
    SOFTWARE PUBLISHING
    April 2023 - February 2024 (10 months)
    Paris, France
    Context:

    Complete autonomous development of Efluid Connect, an internal ESB acting as an intermediary layer between Efluid webservice consumers and backend services. Objective: centralize data transformations, decouple dependencies between clients and services, and secure exchanges.

    Achievements:

    • Design and development of the ESB architecture from scratch, in total autonomy.
    • Development of integration and data transformation routes using Apache Camel.
    • Implementation of the authentication and authorization layer with OAuth 2.0 and Apache Shiro.
    • Management of persistence with PostgreSQL: data schema modeling and optimization.
    • Gathering functional and technical requirements from consuming teams.
    • Writing technical documentation for the project.
    Java 17 Quarkus Apache Camel PostgreSQL Oracle Database
  • Docaposte
    Java Developer
    PUBLISHING
    June 2022 - April 2023 (10 months)
    94200 Ivry-sur-Seine, France
    Context:
    Within the MCO team at Docaposte on the SICLV2 project — the processing engine for electronic registered mail flows for Maileva's B2B clients (a La Poste subsidiary). The system orchestrates the entire chain: request validation, PDF formatting, routing to production centers for printing, and then delivery tracking.

    Achievements:
    • Corrective and evolutionary maintenance of the business rules engine (Drools) responsible for validating and processing B2B flows.
    • Development of functional enhancements for the PDF processing chain and routing to production centers.
    • Analysis and correction of production anomalies on a critical high-volume system.
    • Gathering requirements, writing specifications, and technical documentation.
    • Implementation and maintenance of unit and integration tests to ensure non-regression.
    Jboss SQL Server Drools JEE MCO

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Education

  • Master of Architecture
    CFA INSTA
    2022
    Master 2 Architecte technique en informatique et réseaux, Informatique
  • Master 1 Analyst Developer in Work-Study Program, Computer Programming
    CFA INSTA
    2021
    Master 1 Analyste Développeur en Alternance, Programmation informatique

Skill set

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