Freelancer profile translated to English.

Description

Java Full Stack Design & Development Engineer – 7 years of experience – expert in modern architectures and AWS Cloud. I work on high-criticality projects, ensuring the design, development, and industrialization of robust and high-performance solutions.

With a strong command of Agile and DevOps environments, I actively contribute to architecture optimization and continuous improvement, while bringing real business value to clients.

Languages

English
Native or bilingual
French
Native or bilingual

Workplace preferences

Can work on-site

Paris (up to 50km)

Codix
Software Engineer
July 2022 - November 2025 (3 years and 4 months)
Tunis, Tunisia
• Microservices: Development of REST/SOAP Web Services, and for distributed systems.
• Application Optimization and Support: Rapid analysis and resolution of anomalies, continuous improvement of application and user performance guaranteed.
• Databases and Optimized Scripts: Design and optimization of SQL/PLSQL queries, efficient management of Oracle and MongoDB data.
Environment: Java (17, 21), AWS, Spring Boot, Spring JPA, Spring Security, IntelliJ, REST/SOAP API, Angular, Docker, Kubernetes, Jenkins, Maven, Postman, JUnit 5, Mockito/SQL, MongoDB Compass, Swagger, GIT, Kafka, SonarQube Agile (Scrum).
Synchron-
Full Stack JAVA Consultant
BANKING AND INSURANCE
November 2025 - Today (9 months)
France
Follow-up of training and professional development to remain operational and ready to quickly integrate new Stack missions.
Spring boot Amazon Web Services Java 21 Java 17 Angular
Société Tunisienne de Réassurance (D.S.I)
Software Engineer
August 2019 - June 2022 (2 years and 10 months)
Tunis, Tunisia
Project Portal Tunis Re (internal tool dedicated to the company's user managing reinsurance business)
Clients: SWISS RE
Application Refactoring: Participation in the refactoring of the application with Java JEE technology, thereby improving the ergonomics and performance of the internal portal.
• Design and Implementation of a MySQL Database: Development of a robust database for the internal portal, optimizing the storage and management of data related to recovery and accounting operations.
• Writing Technical and Functional Specifications: Development of clear and detailed documents to guide development and ensure that user needs are correctly taken into account.
• Evolutionary and Corrective Maintenance: Management of evolutionary maintenance by integrating user requests and implementing technical improvements to ensure the reliability and performance of applications.

Check out Oussama's experience

Be the first to recommend Oussama

Help this freelancer shine by sharing your experience working together.

Agatha Frydrych

Backend Java Software Engineer

4.7

(3)

Baptiste Duhen

Fullstack developer

4.6

(4)

Amed Hamou

Senior Lead Developer

(2)

Audrey Champion

Web developer

4.3

(3)

Signup to reveal

Preparatory cycle: Physics – Chemistry
Faculty of Sciences of Tunis
2015
Cycle préparatoire : Physique – Chimie
Diploma of Engineer in Software Engineering (IS)
National Engineering School of Carthage
2018
Diplôme d'ingénieur en Génie Logiciels (SI)

Oussama Khaled

Consultant Full Stack JAVA

About Oussama

Experience

Recommendations

These freelancer profiles also match your criteria

Education

Skill set

Categories