Freelancer profile translated to English.
Back to original languageAbout Florian
Java / Spring Software Engineer with 5 years of experience, specializing in developing robust and high-performance backend applications for demanding business environments.
I am involved in the design and development of critical features, the creation and optimization of APIs, as well as improving application performance and batch processing in systems that handle large volumes of data.
During my assignments, I contributed to the development of an ERP for the insurance sector, covering key areas such as contract management, claims, payments, and accounting. I also participated in client integration phases, business configuration, and incident resolution, in close collaboration with functional teams.
My interventions include:
• Backend development Java / Spring / Hibernate
• REST API design and optimization
• Spring Batch development and optimization
• SQL optimization and application performance
• Implementation of automatic recovery mechanisms and parallel processing
• Code quality improvement (TDD, coverage, code review)
• Contribution to CI/CD pipelines (Jenkins, Git)
• Analysis and resolution of production incidents
I place great importance on code quality, system performance, and understanding business needs, in order to deliver reliable, maintainable, and scalable solutions.
Main technical environment: Java 21, Spring, Spring Batch, Spring Security, Hibernate, MySQL, REST API, Maven, Git, Jenkins, IntelliJ.
French
Native or bilingual
English
Native or bilingual
Spanish
Fluent
Can work on-site
Paris (up to 50km)
Experience
- Applied EpicBackend DeveloperBANKING AND INSURANCEMarch 2021 - February 2026 (4 years and 11 months)Context:Within an Agile team of 5 developers, participated in the development of an ERP for insurance companies, covering back-office activities: contract and amendment management, claims, accounting, and payments. The application is highly configurable to adapt to specific client business needs. Also involved in client integration phases, including application configuration, functional support, and incident management.Key Achievements:• Development of key features and APIs for contract, claims, and accounting management• Implementation and evolution of batch processing with Spring Batch, monitoring, and job alerting• Design of an automatic batch recovery system and parallel processing to improve performance• Optimization of application performance (business logic, SQL queries, APIs)• Design and optimization of SQL queries• Management of a monolithic architecture and continuous code improvement• Implementation of automated tests (TDD) and monitoring of code quality (coverage, duplication, vulnerabilities)• Contribution to continuous deployment (CI/CD) and Agile ceremonies• Support for business teams during user acceptance testing phases and resolution of production incidents• Analysis of technical debt and proposal of improvements• Implementation of granular rights management, task automation, and configurable loggers• Leading technical workshops and onboarding new hiresTechnical Environment:Java 21, Spring (Core, Data, Web, Security), Spring Batch, JSF 2.3, Hibernate 5.6, MySQL 8, JRuby, Maven, Git, Jenkins, IntelliJ, DataGrip, Postman.
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Education
- FDA Computer Science EngineerFDA Ingénieur Informatique
- COMPUTER SCIENCE AND MANAGEMENT ENGINEERPolytech Montpellier2021INGÉNIEUR EN INFORMATIQUE ET GESTION