Freelancer profile translated to English.
Back to original languageAbout Hamza
Java Spring Boot Backend Developer | Kafka | Redis | Distributed Architecture | Microservices
Does your Java backend truly handle production load?
Java backend developer on critical systems: telecoms, automotive, and software vendor (ORACLE). I design robust and scalable microservices architectures with Spring Boot, Kafka, and Redis. At Ericsson, I improved automation success rate by 26%. I don't deliver code, I deliver reliability.
Concrete Results
Ericsson (telecoms): +26% success rate in backend automations, significant reduction in manual interventions
Oracle (software vendor): Design of Java solutions on distributed systems and management of critical APIs
Tybasoft (automotive): Java backend for integration with Odoo CRM and exposure of REST APIs for a Flutter mobile application
My Interventions
Design and development of high-performance REST APIs
Scalable and maintainable microservices architecture
Messaging and caching: Apache Kafka, Redis
Integration of external APIs and third-party systems
Performance & scalability: response time optimization, large-scale load management
Containerization Docker, Kubernetes orchestration, cloud-native deployment
Technical Stack
Backend: Java 11/21, Spring Boot, Spring Security, Spring Cloud, Hibernate
Messaging / Cache: Apache Kafka, Redis
Cloud & DevOps: Docker, Kubernetes, cloud-native, CI/CD
Data: PostgreSQL, MySQL, Oracle DB, MongoDB
Methods: DDD, REST, TDD, Scrum
Have a Java/Spring Boot project to start or a backend to make reliable? Contact me.
French
Fluent
English
Fluent
Arabic
Native or bilingual
Can work on-site
Paris (up to 50km), Toulouse (up to 50km), Lyon (up to 50km), Montpellier (up to 50km), Bordeaux (up to 50km)
Experience
- EnedisSenior Java Developer, Kafka, Spring Batch, DockerENERGY AND UTILITIESJune 2026 - Today (2 months)Courbevoie, FranceJava Developer involved in client system stabilization, anomaly reduction, code maintainability improvement, and preparing the application for scaling and integration of new features.Technos: Java, Spring, Spring batch, kafka, Docker
- EricssonJava Developer, Spring Boot, Kafka, MicroservicesTELECOMMUNICATIONSMay 2023 - Today (3 years and 3 months)Massy, FranceDevelopment ofJava/Spring Bootmicroservices for large-scale network automation platforms, improving system reliability and performance.Design and implementation of backend APIs (**Java**/Spring) for network data analysis (KPIs), automated processing, and integration into optimization workflows.Improvement of automation process success rate by +26%, significantly reducing manual interventions.Implementation of cloud-native solutions (Docker, Kubernetes) with CI/CD integration to industrialize microservice deployments (**Java**/Spring).Participation in architecture decisions and backend performance optimization.
- TybasoftJava Developer, Spring Boot, REST APIs, MicroservicesAUTOMOBILESeptember 2022 - April 2023 (7 months)Casablanca, MoroccoBackend development of a REST API inJava/Spring Bootfor a Flutter mobile application, dedicated to managing and consulting automotive parts catalogs.Integration with Odoo to synchronize product data (catalog, stock, references) and ensure consistency between systems.Design of a secure (**Java Spring security**), scalable, and performance-oriented API capable of supporting a growing volume of users.Collaboration with mobile teams to ensure smooth integration and optimized user experience.
Recommendations
These freelancer profiles also match your criteria
Agatha Frydrych
Backend Java Software Engineer
4.7
(3)
2
Baptiste Duhen
Fullstack developer
4.6
(4)
5
Amed Hamou
Senior Lead Developer
4
(2)
7
Audrey Champion
Web developer
4.3
(3)
4
Education
- Computer Engineering DegreeNational School of Applied Sciences of Marrakech2023Java, docker, devops, algorithmique, springboot, python, spring, Angular, Js, Kubernetes
- Software Engineering and Data Science Engineering DegreeEngineering School of Littoral Côte d’Opale2023Java, python, Spring,Springboot, Angular, Data science