Freelancer profile translated to English.

Description

Are you looking for a 𝐛𝐚𝐜𝐤𝐞𝐧𝐝 and 𝐟𝐮𝐥𝐥𝐬𝐭𝐚𝐜𝐤 web developer to strengthen your teams, guide them towards good development practices, and optimize your build processes?

Independent developer with +6 years of experience, I specialize in 𝐉𝐚𝐯𝐚 (Spring Boot, Hibernate) with proven expertise in 𝐊𝐨𝐭𝐥𝐢𝐧 (Quarkus), 𝐍𝐨𝐝𝐞 (Nest), and 𝐑𝐞𝐚𝐜𝐭. I apply 𝐒𝐎𝐋𝐈𝐃 principles and encourage the adoption of automated tests.

I have contributed to strategic projects for major French groups:

𝐎𝐫𝐚𝐧𝐠𝐞: Data consistency management, reducing anomalies by 40%
𝐒𝐍𝐂𝐅 𝐂𝐨𝐧𝐧𝐞𝐜𝐭: Rearchitecting the purchasing workflow, increasing conversion rate by 15%
𝐂𝐚𝐧𝐚𝐥+: Migration of the legacy middleware with 0 service interruption
𝐕𝐚𝐥𝐥𝐨𝐮𝐫𝐞𝐜: Performance optimization, reducing processing times by 60%

Recently, I participated in the 𝐥𝐚𝐮𝐧𝐜𝐡 𝐨𝐟 𝐚𝐧 𝐌𝐕𝐏 for a health tech startup, delivering a complete application in 4 months that secured Series A funding.

I work primarily remotely, with occasional travel for strategic workshops and meetings.

Daily rate between €500 and €600 depending on project complexity.

Looking forward to discussing your specific needs.

Industry field of expertise

Languages

French
Native or bilingual
English
Fluent

Workplace preferences

Can work on-site

Paris (up to 50km)

VALLOUREC LILLE
Web/Mobile Developer - Java/Node/React
ENERGY AND UTILITIES
October 2022 - Today (3 years and 8 months)
Valenciennes, France
Functional Context:
Pipe traceability and compatibility
Development from scratch of the new Vallourec SAAS
Complete overhaul of the mobile application for tracking pipe compatibility.

Missions Performed:
Complete development of a SAAS solution with React (TypeScript) and Node (NestJS) for pipe management and analysis:
Seamless integration of pipe batches via AWS S3
Intuitive interface for adding and managing items
Subscription type management
Custom parser configuration for generating specific reports
Transparent administration interface for account creation
Native Auth0 integration for role and permission management
Visualization of KPIs related to report management
Performance metrics for compatibility analysis

Implementation of a real-time monitoring system via CloudWatch
AWS:
Instant visualization of job execution logs
Early detection of pipe anomalies
Improvement of compatibility report quality

Proactive management of mobile application compatibility:
Testing and validation on new Android versions
Guaranteeing continuity of pipe tracking service
Maintaining existing functionalities

Development of Python scripts on AWS Lambda for customer data integration:
Automation of pipe-related data collection
Implementation of advanced features based on regular updates

Complete modernization of the pipe rack tracking web application:
Legacy architecture refactoring:
Implementation of a dashboard customizable by client
Simplification of the client onboarding process in the natural resources sector
Java Node.js
Resilience care
Backend Developer Kotlin
MEDICAL
December 2024 - April 2025 (4 months)
Paris, France
Functional Context:
- Digital solution for remote patient monitoring
- Development from scratch of an MVP targeting patients with psychological disorders

Missions Performed:
- Calculation of symptom severity according to an official medical guide.
Implementation of high-performance algorithms to accurately assess the severity level according to recognized medical standards. Development of automated response analysis functions for questionnaires to generate clinically relevant scores.
- Alert triggering based on specific symptom criteria. Design of an intelligent system to identify critical cases requiring prompt intervention from healthcare professionals.
- Monitoring management to schedule questionnaire delivery. Development of a rules engine to dynamically adjust intervals.
Implementation of marketing email templates. Establishment of a process for generating and previewing emails before sending to ensure communication quality.
Implementation of SMS notifications with Twilio and email notifications with Mailjet. Development of an abstraction layer unifying different communication channels for simplified integration.
Management of authorizations and authentication with Keycloak. Implementation of granular access policies tailored to different user profiles (administrators, doctors, patients).
Management of patient and healthcare provider accounts. Development of optimized onboarding flows to simplify user registration and adoption.
Kotlin Quarkus GitHub Keycloak
CANAL+
Backend Web Developer - Java/Spring
TELECOMMUNICATIONS
September 2021 - September 2022 (1 year)
Île-de-France, France
Functional Context:
Ensure communication between Canal+ group applications such as MyCanal or the application reserved for agents for managing customer subscriptions.

Missions Performed:
Migration of the Jenkins infrastructure to automate the deployment of a middleware using Puppet on AWS, ensuring optimized configuration management and scalable deployment without interruption.
Transformation of XML-based MuleSoft flows into performant Java components for data management with MongoDB, thereby improving system maintainability and performance.
Refactoring of Java components related to MongoDB, particularly repository management, to optimize data access, improve performance, and reduce code complexity.
Responsible for the deployment and configuration of application environments, ensuring smooth production deployment and rigorous monitoring of different environments (development, testing, production).
Implementation of an authentication system based on JWT (JSON Web Token) with Spring Security, enhancing application security and providing flexible user access management.
Java 11 JUnit Spring Boot Apache Camel