Freelancer profile translated to English.
Back to original languageAbout Abderahim
Do you want to create or evolve your Java backend APIs, or strengthen your Angular frontend?
I am a freelance expert in Java / Spring Boot for over 6 years, and I also work on your Angular front-end applications to offer a complete, coherent, and high-performance end-to-end solution.
My expertise is based on solid foundations:
- Back-end: Development of custom, clean, well-structured, and easy-to-integrate REST APIs.
- Microservices Architecture: business breakdown, inter-service communication, resilience, scalability.
- Application Security: OAuth2, JWT, fine-grained access and permission management.
- CI/CD & DevOps: automated pipelines, testing, integration, Docker/Kubernetes deployment.
- Cloud: deployment on AWS, GCP, or private infrastructures.
- Angular Front-end: component development, API integration, UX/UI optimization, and performance improvement.
The result: a robust backend, a fluid frontend, and a perfectly integrated architecture to support your business objectives while limiting technical debt.
French
Native or bilingual
English
Native or bilingual
Can work on-site
Paris (up to 30km)
Experience
- BNP ParibasJava Backend Developer (Spring Boot)BANKING AND INSURANCEJanuary 2025 - Today (1 year and 7 months)Paris, FranceMaintenance and development of new features for the internal Satisfaction application, dedicated to managing customer complaints and improving service quality within the BNP Paribas network.
- Development and maintenance of backend modules in Java / Spring Boot.
- Integration with internal services and third-party systems via REST APIs.
- Analysis, correction, and optimization of code in a legacy project with high complexity.
- Collaboration with functional teams to improve complaint processing workflows.
- Implementation of new batches for generating and providing output files for various data repositories.
- Writing unit and integration tests (JUnit, Mockito) to enhance code quality.
- Monitoring application performance and logs to anticipate production anomalies.
- Support for CI/CD pipelines to automate build, test, and deployment processes
- BPCE SAFullstack Java/Angular DeveloperBANKING AND INSURANCEJune 2024 - December 2024 (6 months)Paris, FranceDevelopment of a Java data/file exchange platform with an Angular UIImplementation of an application serving as an interface between Groupe BPCE and the ESG data provider Weefin. It allows BPCE to indicate the expected data to the external provider and for the provider to upload the corresponding files.
- Participation in business requirements scoping and application design (class diagrams, sequence diagrams, use cases, conceptual data model).
- Development of file upload services to a GCP bucket.
- Development of interfaces defined by the design team on Figma.
- Integration of identity federation for secure authentication.
- Development of a real-time notification service for platform users.
- Preparation for application deployment (GCP, Google Kubernetes Engine).
- BPCE SAFullstack Java/Angular DeveloperBANKING AND INSURANCEApril 2023 - May 2024 (1 year and 1 month)Paris, FranceDevelopment of a Java/Angular engine for determining eligibility level of securitiesImplementation of an application to determine the eligibility level of securities for the liquidity reserve (HQLA) and associated haircuts, for all securities held by Groupe BPCE.
- Participation in business requirements scoping and application design (Class diagram, sequence diagram, use cases, Conceptual Data Model).
- Understanding the business needs of the application and the required functionalities.
- Architecture choice (monolithic architecture).
- Configuration of different environments (Tomcat and Apache server).
- Development of batch processes for feeding and consuming data streams.
- Development of the calculation engine.
- Development of the backend and frontend parts, as well as the authentication part and the integration of identity federation.
- Prepare the application for deployment in different environments (Tomcat and Apache Server).
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Education
- Master, Application and Architecture of Information SystemsNational School of Applied Sciences2018Master, Application et architecture des système d'information