Freelancer profile translated to English.

Description

Freelance Lead Developer specializing in modernizing large-scale applications and mentoring technical teams. With over 10 years of experience in complex environments (public sector, healthcare, fintech), I support organizations in their digital transformations by combining technical expertise and business vision.

🎯 Main Expertise

Technical Leadership: Leading teams of 10+ developers

Application Architecture: Monolith to microservices refactoring

Business Communication: Key interface between technical and functional teams

Industrialization: CI/CD, containerization, performance

🛠️ Diverse Technical Stack

- Backend & Architecture

Java/Kotlin, Spring (Boot, Batch, Integration, WebFlow)

Microservices, API Management (Azure APIM, Axway, Keycloak)

Databases: PostgreSQL, Oracle, MongoDB

- DevOps & Industrialization

Docker, Kubernetes, GitLab CI/CD

Infrastructure as Code (Ansible)

Monitoring & Performance (ELK Stack)

- Data & Batch Processing

Spring Batch, ETL, Kafka, Mongo, big data processing

AWS (S3), hybrid cloud solutions

- Quality & Testing

Automated testing (Selenium, Cucumber, JUnit, Mockoon)

TDD/BDD, continuous integration

Performance analysis and optimization

🎯 Services Offered

Audit & Architecture: Technical analysis, evolution recommendations

Technical Lead: Team leadership, mentoring, code review

Digital Transformation: Migration to microservices, legacy modernization

Business Consulting: Translating business needs into technical solutions

Industrialization: Implementing CI/CD, automation, monitoring

Available for technical lead, application architecture, and digital transformation missions.

Industry field of expertise

Languages

French
Native or bilingual
English
Fluent

Workplace preferences

Can work on-site

Paris (up to 50km)

CACD2
Lead Dev
BANKING AND INSURANCE
July 2021 - Today (4 years and 11 months)
Paris, France
**Context**: Complete refactoring of a large-scale project with a focus on technical and organizational modernization.

**Mission**: Technical leadership for the transformation of a monolithic architecture towards a microservices ecosystem within a multidisciplinary team of 10 developers.

**Key Achievements**:
Technical Leadership: Daily management of a team of 10 developers, defining development standards, code reviews, and mentoring.
Microservices Architecture: Design and implementation of the target architecture, functional decomposition, inter-service communication management.
Business-Technical Interface: Close collaboration with functional teams to translate business needs into optimal technical solutions.
Search Engine: Design and implementation of a search engine for large volumes of data fed by an asynchronous data pipeline.
Industrialization: Implementation of CI/CD pipelines, Docker containerization, deployment automation.
Quality: Application monitoring, performance management.

**Technologies**: Kotlin, Java, Spring Boot, Docker, Kubernetes, GitLab CI, Keycloak, Elasticsearch, PostgreSQL, MongoDB, microservices, Kafka, ELK, JMeter, Gatling, Prometheus, Pushgateway, Observability
MongoDB Elasticsearch Kubernetes Apache Kafka Microservices Architecture
Viamedis
Solution Architect
HEALTH AND WELLNESS
September 2019 - June 2021 (1 year and 9 months)
Paris, France
**Context**: Modernization of the IT system for Viamedis, a major player in supplementary health insurance, to improve the reliability and interoperability of critical applications.

**Mission**: Complete architectural refactoring with a focus on modularity, APIfication of business services, and industrialization of development processes.

**Key Achievements**:
Application Reliability: Analysis and restructuring of critical monolithic applications, identification and resolution of failure points.
Modular Decomposition: Progressive transformation of the monolith into autonomous modules, definition of interface contracts, dependency management.
APIfication Strategy: Design and implementation of an API-first architecture with Azure API Management, secure exposure of business services.
DevOps Industrialization: Implementation of GitLab CI/CD, Docker containerization, database management with Liquibase, test automation with Cucumber.
Technical Documentation: Creation of architecture documentation, development guides, best practices.

**Technologies**: Azure APIM, Docker, GitLab CI, Liquibase, SQL Server, Java, Spring, Cucumber, Keycloak
Azure APIM Liquibase GitLab CI Docker SQL Server
Sopra Steria
Transversal Technical Referent
PUBLIC SECTOR
January 2019 - August 2019 (7 months)
Paris, France
**Context**: Assignment within the State Information Technology Agency to modernize and optimize inter-application exchanges for the Ministry of Economy and Finance.

**Mission**: Transversal technical referent for integration and data exchange projects.

**Key Achievements**:
Technical Leadership: Supervision of several development teams, leading technical committees, developer training.
Industrialization: Automation with Ansible, standardization of deployments, implementation of monitoring.
API Management: Implementation of Axway solutions for centralized API management, security, and exchange monitoring.
Performance: Design and execution of load testing campaigns, optimization of critical batch processing.
**Technologies**: Java, Spring Integration/Batch/WebFlow, Hibernate, Oracle, Axway, Ansible, Git, Cachet
API Management Axway Cachet Jenkins Spring Boot