Freelancer profile translated to English.
Back to original languageAbout Philippe
Are you looking for a Java/DevOps expert capable of designing, developing, and operating robust solutions in production?
I will assist you in the design, development, and industrialization of your software projects, with a focus on quality, maintainability, and scalability.
What I bring:
Senior expertise in Java / Spring Boot, DevOps, and Cloud (GCP / Azure / AWS)
A product-oriented approach, focused on business needs and delivered value
Strong experience in setting up CI/CD pipelines, observability (logs, traces, metrics), and microservices architecture
The ability to structure your projects (DDD, Clean Architecture, BDD, TDD), coach your teams, and accelerate your deliveries
My added value:
10+ years of experience in demanding environments (large accounts, scale-ups, critical projects)
Ability to quickly take charge of a complex environment
Strong communication, delivery, and teamwork skills
Project types:
End-to-end Java/DevOps Backend (analysis, development, CI/CD, observability, deployment)
Setting up internal AI platforms (RAG, chatbot, document ingestion + vectorization)
Cloud migration (replatforming, containerization, industrialization)
Technical coaching and architecture reviews
French
Native or bilingual
English
Native or bilingual
Can work on-site
Paris (up to 50km)
Experience
- CarrefourLead Java and Ops DeveloperRETAIL (SMALL BUSINESS)March 2022 - July 2025 (3 years and 3 months)Paris, France
Design & Operations of a custom observability platform
MissionParticipation in the design, development, operation (RUN), and maintenance of a "homemade" observability and monitoring meta-platform — equivalent to a Datadog / Dynatrace solution, but 100% custom, based on microservices.Technical Environment20+ microservices developed with Springboot 3 + Java 21 and deployed on Kubernetes and Infrastructure-as-a-ServiceData collected via Telegraf, stored in VictoriaMetrics, InfluxDB, Prometheus, PostgreSQL, ElasticsearchVisualization with Grafana and KibanaCI/CD pipelines via Jenkins, GitLab, Docker, K8sLanguages: Java 21 (Spring 6), PythonAnalytical processing with Apache SparkAI & AutomationImplementation of an enterprise AI chatbot (RAG) for user assistance (30% of requests redirected to the bot)Automated scraping of Confluence via a Java moduleSemantic indexing with Azure AI SearchOrchestration of prompts and AI processing via PromptFlow on Azure MLImpactPlatform used by 1000+ software teams in the Carrefour France application portfolio50,000+ servers and checkouts supervisedTens of TB of data monitored daily at rates ranging from 10 to 100 MB/sPartial automation of support, reduction of human workload thanks to the chatbotChallenges OvercomeContinuous trade-offs between business needs, resource optimization, and product roadmapTransformation of the alerting engine (single-thread → multi-thread) to improve scalabilityProduction RUN management, SLA/SLO compliance, while controlling costs - ORANGETech Lead Java and OpsTELECOMMUNICATIONSAugust 2020 - March 2022 (1 year and 7 months)Saint-Denis, France
Tech Lead – Integration of Orange's IS with Salesforce
MissionTech Lead in charge of developing a platform for integrating Orange's information systems with Salesforce. The objective: to ensure real-time, reliable, and resilient synchronization between critical IS applications.ResponsibilitiesDesign of the platform's technical architecture (microservices & asynchronous communication)Java development with Spring Boot 2.x and Kafka for event orchestrationSetup and maintenance of CI/CD pipelines via GitLab CIDeployment and configuration on an on-premise Kubernetes clusterMonitoring with Prometheus, Grafana, ELKMentoring developers, technical support, and code reviewFacilitating business and technical workshopsWriting living documentation on ConfluenceActive participation in Scrum team activities (ceremonies, JIRA tracking)ImpactSeamless, real-time integration of three major IS applications with SalesforceRobust asynchronous orchestration based on Kafka, respecting complex business rulesImprovement of team quality through mentoring and delivery structuringTechnologies & ToolsJava 11, Spring Boot 2.x, Kafka, MongoDBGitLab CI, Kubernetes (on-premise), Prometheus, Grafana, ELKJIRA, Confluence - AXA BANQUEJava DeveloperBANKING AND INSURANCESeptember 2018 - October 2019 (1 year and 1 month)Fontenay-sous-Bois, France
Fullstack Development – Personal Loan Subscription Flow
MissionParticipation in the development of a large bank's new personal loan subscription service, with a focus on the journey resumption module (smooth interruption/resumption for customers).ResponsibilitiesFunctional modeling of the loan subscription processFullstack development:React.js Frontend (UI/UX, reusable graphical components)Spring Boot Backend (REST API, business logic, hexagonal architecture)Implementation of a hexagonal architecture for testable, decoupled, and maintainable codeDeployment in a Kubernetes environment, with monitoring via Prometheus/GrafanaDocumentation in Confluence, progress tracking via JIRAParticipation in agile rituals (Scrum, SAFe) and DSI-wide Agile transformationImpactSmoother user experience thanks to intelligent journey resumptionContribution to a structuring project for the bank's digital product strategySupport for the DSI in its transition to SAFe methodologiesTechnologies & ToolsReact.js, Spring Boot, MongoDBGitLab, Kubernetes, Prometheus, Grafana, ELKJIRA, Confluence, Agile SAFe
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Education
- Engineering degree in Cryptography and Computer SecurityUniversity of Maroua2016Comprendre les notions mathématiques d'algorithmes de chiffrement. Connaître les types de chiffrement. Pouvoir réaliser des analyse forensic. Recommander une politique de sécurité. Déploiement d'une KPI.
- Master's in Information Systems ManagementSorbonne2019Aligner la politique du SI aux besoin de l'entreprise, Urbanisation du système d'information, Orchestrer la communication entre les différentes entités de la pile formant le SI, Au niveau applicatif, veiller à combler le trou communicationnel entre les équipes métiers et les développeurs.
Certifications
- Spring Professional 2021VMware2021
- Hadoop Platform and Application FrameworkCoursera2018