Nicolas Bernin

Design, integration, and continuous improvement of 8 microservices within an IoT platform facilitating the monitoring of Somfy installers' interventions and equipment.

➡ Improvement and maintenance of 8microservices(**Node.js**) and a web application (**Angular**) dedicated to installer monitoring

➡ Implementation of aDDD (Domain-Driven Design)approach

➡ Design of a video conferencingmicroservice(**WebRTC**)

➡ Design of a smart home box pairingmicroservice(**NestJS**)

➡ Migration ofGCPinfrastructure toOVH Cloud(**GitLab CI/CD**, multi-environment) without service interruption

➡ Implementation of aGitOpsapproach withArgoCDandHelm charts

➡ Application secrets management withOpenBao

➡ Complete observability architecture (**OpenTelemetry, Grafana, Prometheus**)

➡ Integration and optimization of aKafkamessage broker

➡ Implementation and optimization ofMySQLandMongoDBdatabases

➡ Development ofunit and functional testswith systematic coverage of business cases (**Jest, WireMock, Vitest**)

➡ Implementation of an analytics tracking system (**Amplitude**)

➡ Development, documentation, and continuous maintenance

➡Agilemethodologies and tools (**Confluence, Jira**)

Design and deployment of two web applications and an API dedicated to live shopping

➡ Lead and project management (**Agile methodology**)

➡Mentoringand coaching of junior developers

➡ Design and development of a full-stack Live Shopping application: 2Next.jsfrontends (**SSR**) +NestJS REST API(**Hexagonal and Clean Architecture, SOLID principles, DDD**)

➡ Real-time communication viaWebSocket

➡MongoDBdatabase modeling

➡ Integration ofStripe API(online payments) andFacebook API(live streaming)

➡ Internationalization (**i18n**) of the application

➡On-premisehosting of all services

➡ Reverse proxy and routing withTraefik

➡ Implementation of a cache and aPUB/SUB (Redis)service

➡ Implementation ofIaC CI/CD (GitHub Actions, Ansible, Docker)

➡ Implementation ofbackupsolutions

➡ Automation ofworkflowswithn8n

➡ Complete observability stack (**Grafana, Prometheus, Loki, Blackbox Exporter, OpenTelemetry**)

➡Prompting and Claude Code skills

➡Unit & functional tests

➡ Documentation and continuous maintenance

Evolution of alow-code POCto a finalno-codeproduct: amulti-source data ingestion pipelinetool serving Michelin's global business units.

➡ Design and development of pipelines: processing, transformation, and refinement to ensure data consistency

➡ Design of aREST API(**NestJS**)

➡ Evolution of thelow-code POCto a finalno-codeproduct in production (design, architecture, deployment)

➡ Implementation of aschedulingsystem forpipelineexecution

➡ Implementation ofWorker Threadsfor processing long background tasks

➡ Implementation ofephemeral environments

➡ Development of new front-end features (**Svelte, Vue.js**)

➡MongoDBdatabase modeling and optimization

➡ Documentation, maintenance, andincident management

➡ Technological watch