Freelancer profile translated to English.

Description

Full Stack Java Developer with 5 years of experience, working on critical energy flow management applications at RTE. He participates in application modernization, secure API development, performance optimization, and the implementation of robust architectures (Spring Boot, Angular, Docker, Jenkins) in Agile environments.

Industry field of expertise

Languages

French
Native or bilingual
English
Native or bilingual

Workplace preferences

Can work on-site

Paris (up to 50km)

EDF
Java Developer
February 2021 - Today (5 years and 4 months)
Context:
Within a team of 9 people, as a full-stack developer, responsible for the maintenance and improvement of a set of applications for the electricity transmission network.

Tasks:
Optimization & Security: Significant performance improvement through Hibernate update, cache implementation (Ehcache), and optimized session management. Integration of OAuth2 and OpenID Connect protocols to standardize and secure authentication.

Data Migration and Processing: Management of complex application migrations (analysis, target design, and development). Design of a multithreaded database migration engine, enabling parallel and efficient processing of data flows (Read/Transform/Insert).

API & Backend Architecture: Development of APIs based on a hexagonal architecture to ensure business code independence. Use of Swagger/OpenAPI for automated documentation and implementation of Rate Limiting mechanisms to protect services.

DevOps & Industrialization: Configuration of deployment infrastructure using Docker, Jenkins pipelines, and Ansible playbooks, ensuring continuous, automated, and maintainable delivery.

Quality & Methodology: Rigorous monitoring of software quality and vulnerabilities using SonarQube and Dependency-check. Evolution in an Agile/Kanban environment with a technical support role during production deployment phases.

Technical Environment:
Intellij, Java 11/21, Spring Boot 3 (data, security, web, actuator), Hibernate, Spring, Struts, Angular, OracleDB, OAuth2, OpenID Connect, Junit, Mockito, Git, Maven, Jenkins, Swagger, Docker, Jira, Hexagonal architecture, OpenAPI
Java Spring boot API

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Java Computer Engineer
OGU
Ingénieur Informatique Java
Computer Science, Telecommunications, Mathematics and Mechanics
Ecole Nationale Supérieure d'Électronique
2021
Informatique, Télécommunications, Mathématique et Mécanique

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Omar A.

Java Computer Engineer

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