Freelancer profile translated to English.
Back to original languageAbout Charles
Experienced agile developer, I specialize in Big Data (Kafka, Couchbase, MongoDB, Elastic, NoSQL) and ML architectures.
I have already supervised development teams, performed audits, paired with Ops, and created POCs up to their production deployment.
I have a Devops approach, and master both the development (Java, Scala, Javascript, Python, Docker...) and operational (Bash, Ansible, Kubernetes, Terraform, crossplane, Prometheus, Grafana, AlertManager) aspects, including on-call duties.
French
Native or bilingual
English
Fluent
Can work on-site
Paris (up to 50km)
Experience
- SCORP.IO SOFTdevopsSOFTWARE PUBLISHINGDecember 2025 - January 2026 (1 month)Paris, FranceIn a startup, using an agile and Gitops approach, via Crossplane and ArgoCD:
- Integration of the Bitwarden SecretsManager Kubernetes operator
- Kafka cluster mirroring (Mirror Maker 2)
- Migration of Kafka cluster to Zookeeper-less (Strimzi)
- Allianz TechnologyDevOps Engineer Java/AWS - Senior - Scalability PracticeBANKING AND INSURANCEMarch 2025 - Today (1 year and 3 months)Nanterre, FranceInternational mission within an agile DevOps (AWS) team for Allianz Trade.Presentations, recommendations, assistance, and follow-ups for 8 tribes (ATO, Surety, Compass...) within the Scalability practice concerning:
- The SLA-based approach
- The definition and monitoring of centralized capacity planning
- Performance tests (JMeter/K6/Gatling) in an AWS context (ECS/Fargate, S3, RDS, Lambda): load, stress, resilience, etc...
- Observability (Dynatrace/Otel/prometheus/grafana/splunk/cloudwatch)
- Weekly team monitoring
Technical achievements within the Scalability practice:- POC Opentelemetry (Logs/traces/metrics)
- Development of a Java Gatling framework for easier alternative onboarding: alternative use via properties files, or Postman files for non-Java applications (TypeScript/Python)
- Automated publication of Gatling reports via Gitlab CI
- Automated daily aggregation of reports from the 8 tribes and subsequent publication
- Integration of Gatling and Dynatrace for applications
- POC Python / InfluxDB (Timestream)/Grafana for Proxy log integration for monitoring and comparison of test campaigns.
- SCORP.IO SOFTDevopsSOFTWARE PUBLISHINGOctober 2024 - February 2025 (4 months)Paris, FranceDevOps, security, and automation mission
- Gitops configuration via Crossplane and ArgoCD for Kubernetes clusters
- Backup setup (Velero)
- Application security group and key setup
- Monitoring update (Prometheus/Grafana/Loki)
- Zookeeper/Kafka / Schema Registry (Strimzi) cluster update
- Kafka Connect tuning
- Kafka Streams tuning
- Load testing and VerneMQ broker tuning.
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Education
- ElasticSearch Core TrainingElasticFormation intense de 2 jours avec les développeurs d'ElasticSearch.
- M101J: MongoDB for Java DevelopersMongoDB, Inc2014authenticity of this formation can be verified at http://education.mongodb.com/downloads/certificates/86b87286a7eb4d3ea6f812877bbd9d37/Certificate.pdf