Stephane Geraud Email & Phone Number

Nantes, Pays De La Loire, France

I have been taking care of setup, running, and maintenance of the infrastructure of a SaaS service responsible to serve millions of users:- Migration from on-premises infrastructure to AWS cloud- Maintaining our tooling infrastructure, ensuring high level of security- Supervision and monitoring- Scalability of our infrastructure to support traffic growth- Understanding and reducing operating costs- Managing TLS certificates to secure our products with DigiCert- Incident analysis and resolution- Participating to on-call rotationI have been helping the development teams to:- Setup their projects- Automatize their processes- Roll out the newest applications instead of the legacy one with zero downtime- Troubleshoot misc issues- Decommission legacy applicationsI have also been working on various projects:- Implementing a search stack for the B2B software on AWS OpenSearch, from A to Z (analysis, cost comparison, infrastructure, backup/restore, data anonymization)- Migrating hundreds of code repositories from GitLab to GitHub- Running POCs to replace the current observability stack- Migrating from numerous GitHub repositories to a monorepo- Providing isolated testing environments to the different teamsAll this work took place within an Agile framework. Support tools included: JIRA, Notion.I have developped the following skills:- Cloud: AWS (IAM, S3, EKS, EC2, ECR, CloudWatch, OpenSearch, RDS, Elasticache)- Orchestration: Kubernetes with Helm- Infrastructure as Code: Terraform- Continuous Deployment: Jenkins, Argo CD- Continuous Integration: Jenkins, GitHub Actions- Packaging: AWS ECR, JFrog- Caching: Varnish, Memcached, Elasticache- Logging: Elasticsearch, Logstash, Kibana (ELK)- Monitoring: Grafana, Prometheus, Datadog- Alerting: Prometheus / Alertmanager, StatusCake- Secrets management: Hashicorp Vault, GitHub Secrets- Scripting: Bash, Python

Région De Paris, France

I have been a key contributor in the development of the restaurant inventory system: service management, availability management, and table plan management.I assisted in the transition from a PHP monolith to numerous (more than 70) Node.js microservices, and contributed my expertise to the development of qualitative and resilient Node.js applications.I also collaborated on various cross-functional projects:- Participating in the development of a Node.js framework that will become the fundation of all microservices- Development of a test library to have a common base for functional tests in all microservices- Migrating microservices from JavaScript to TypeScript- Containerization of applications with Docker, in the context of migration from on-premises infrastructure to AWS- Animating Agile ceremonies as the Scrum master of the team- On-call rotationThe stack included: Node.js, PostgreSQL, RabbitMQ, ESLint, Cucumber.js, Chai JS, Jenkins, NewRelic.All this work took place within an Agile framework. Support tools included: JIRA, Confluence.

Région De Paris, France

As one of the first developers of 360Learning, I've built the foundation of what will become a major player in Learning Management Systems (LMS), based on collaborative learning.- Full-stack development of a SAAS-type web platform- Frontend: Interface development with JavaScript (Backbone, jQuery, AJAX)- Backend: Initial implementation of the backend in Node.js and an Express.js API- Data persistence with MongoDB- Application management with PM2- Displaying user learning statistics using the Highcharts library- Implementation of an upload system with image manipulation- Setting up a video streaming server- Implementing the SCORM specification to support existing learning resources

Ms, Computer Science

Licence, Computer Science