Design and implementation of a production infrastructure orchestrated using Docker Swarm, designed to serve the customer's application.- Definition of business and technical requirements with the customer- Analysis of how the application works and the interdependencies between frontend, backend, API and AI (PHP, NodeJS, Python)- Analysis of scaling and failover needs according to customer requirements- Design of multi-stage build Dockerfile and integration of customer applications in Docker Swarm- Set up Docker Swarm cluster on 7 nodes- Design and implementation of 3 service stacks (Front, API, IA), scalable on demand- Configuration of a 4-node InnoDB dockerized cluster (1 primary RW, 2 secondary RO, 1 MySQL router)- Configuration and tuning of resources allocated to services- Creation of detailed RUN and INSTALL documentation in Markdown

Definition of the technical roadmap with the existing IT development provider, then completely in-house, and application using the Agile Scrum methodDefinition of the product roadmap with the founders and development by the technical team using the Agile Scrum methodManagement of the technical team (Devs fullstack JS, Business Analyst, Design, QA, IT engineering student)Analysis and reduction of AWS Cloud infrastructure costsIntegration of technical members from dev provider, following cessation of their activityProject overview:- Improvement of overall solution performance through various technical levers- Integration of the Stripe API into the solution, to monetize certain functionalities- Integration of Meta APIs (Facebook and Instagram) into the solution ("Later" functionality)- Integration of Opensearch as a content indexing and search engine within the product- Development of a mobile application in React-Native for IOS/Android on AWS Amplify/Cloudformation, aimed at the general public.- Various functionalities to enhance the usability of the main product

- Implementation of the near-realtime Amazon MWS repricing solution I conceived with the help of Java developer, and scaling and tuning for production, giving a big market advantage to the company- Technical team management (2 Java devs, 3 PHP/Symfony devs, 1 sysop)- Sourcing and recruitment of developers and sysadmin (2 dev. PHP, 2 sysop recruited, ~100 interviews conducted)- Technical planning and management of the major redesign of the solution, aimed at international use (Sellermania V3), a one year and a half project.- Migration from v2 to v3 (PHP and Java codebase, huge database schema update and migration and new server versions)- Study, design and implementation of a Lambda Big Data architecture (Kafka, Spark, HDFS, InfluxDB, Thrift/Hive, ElasticSearch), to leverage data-driven insights for the company.- Contact person for the Amazon MWS Developer Audit conducted by Deloitte, and management and application of the resulting Remediation Plan (Cyber Security and Data Use).- Implementation of best-practices (Peer reviews, DevOps CI, stand-up meetings, architecture brainstorms).- Implementation of DataVis tools (Graylog, Matomo, Grafana) for tech, support and product teams.- Smooth migration of legacy foreign users to the new unified v3 solution with ETL

- Technical team management (2 Java devs, 2 PHP/Symfony devs)- Fixed the production storage cluster (8-nodes gluster) which was failing every several days- Finalization of the complete migration of the infrastructure from simple on-premise to managed on-premise, begun before my arrival (~30 servers). Improved SLA over the past 4 years- R&D and POC of the solution used for near real-time Amazon MWS repricing (Kafka cluster, Spark cluster)

In collaboration with the CTO, I'm responsible, with my administrators team, of the proper operation, the evolution and the maintenance of the Linux-based IT infrastructure, serving web and telephony technologies.- Managed IT operations team (2 admin sys + 2 dev PHP/C++).- Technical support for telecom business growth (~500% over 4 years) and improved SLA without additional IT investment.- Management of VoIP telecom interconnection project with Orange France. Design, testing and deployment of the solution on 2 datacenters (Oracle SBC, Microtik, optical fiber).- Implemented a virtualized cluster backed by Ceph for distributed storage- Deep tuning of servers in order to serve increasing traffic along the years (-40% scheduling overhead on VoIP servers)- Implemented a solution for deep telecom debugging and tracability in real-time- Implemented Zabbix for global infrastructure supervision- Regular equipment (servers, network, telecom) installation on datacenters

Build several IT offers based on OpenSource and Free Softwares for companies needing robust, performing and easy-to-use solutions for their business.- Set up a virtualized environment to host the company's solutions solutions andcustomer websites. Grade A on SEO tools.- Business management, sales and marketing development, customer canvassingpartnerships, feasibility studies, demonstrations to prospects.

Setup, manage and maintain server-based IT infrastructure. Proposal of evolutions and improvments of the existing installations. Participate, launch and manage small to medium projects involving servers, Windows/Unix Operating Systems and virtualization. Member of the security expertise team within the ICT team. First/second line service desk.

Installation, exploitation and maintenance of servers and clients pcs under Windows and Unix (BSD, Linux). Postfix and exchange mail servers administration, Apache and IIS web servers, PostgreSQL and MySQL databases. Participation to several european-scale projects (Synbra Group bv).

Installation, exploitation and maintenance of servers and client PCs under Windows system. Internal helpdesk. User and helpdesk documentation writing. Technical advises before purchase.