Freelancer profile translated to English.
Back to original languageAbout Jonathan
◉ A little information about me ⤵︎
👨💻 I am an expert inKubernetes**, **GitLab**, **AWS**, **DevOps**, and **ArgoCD
🎓 Proficient inInfrastructure as Code**, **GitOps**, and **multi-cloud CI/CD
⚙️ +8 companies supported, +15 people trained inDevOpsbest practices, +100CI/CD pipelinesindustrialized
🧑💼 8 years of experience inCloudandDevOpsengineering
🪖 Ideployeda military **CI/CD**… without internet access.
👥 I kept an app running for 20,000 supporters on a match night.
♻️ I reduced the carbon footprint of a banking simulator by 30%.
◉ My references ⤵︎
Qonto
Biogaran
Hydro
Ministry of the Armed Forces
French Rugby Federation
Epiktet
Employment Marketplace
Atout France
Crédit Mutuel Arkéa
◉ Here are the missions I regularly undertake ⤵︎
Cloud SRE | DevOps | GitOps | CI/CD | | AWS | Terraform
• Implementation of reliable, secure, and multi-environmentCI/CDchains
• Industrialization of deployments with **GitLab CI**, **GitHub Actions**, and dedicated runners
• Incident management and postmortem culture (runbooks, on-call, MTTR)
• Optimization of carbon footprint throughServerless&SSGarchitectures
• Training internal teams onDevOpstools: **Helm**, GitOps, **SRE**, CI/CD
Infrastructure as Code | ArgoCD | Observability | SRE | Kubernetes
• Orchestration ofKubernetesclusters onAWS**, **Azure**, and **Scaleway
• Complete management and automation of infrastructures withTerraformandArgoCD
• AdvancedMonitoringwith **Prometheus**, **Grafana**, **Alertmanager**, Kubecost
• Migration of VMs toDocker/Kubernetesand implementation of secure GitOps
• Daily support for developers to strengthen theircloudautonomy
Available 7 days a week via Malt messaging.
Quick response.
French
Native or bilingual
English
Fluent
Remote only
Primarily works remotely
Experience
- QONTO - TECHCloud DevOps EngineerBANKING AND INSURANCEApril 2025 - June 2026 (1 year and 2 months)Paris, France🧩 Mission - QontoCloud DevOps Engineer - Infrastructure reinforcement and developer support👥 Client: Qonto🏢 Sector: Fintech – Online banking for professionals☁️ Cloud: AWS | Kubernetes | Terraform | GitLab | GitHub | ArgoCD | GitOps🔍 Context & ObjectiveQonto, a major player in European fintech, is continuing its rapid growth and strengthening its technical platform.The main objective: to make the cloud infrastructure reliable, secure, and scalable, while supporting development teams in a lean and DevOps-first approach.👉 My mission: improve infrastructure resilience, meet developers' operational needs, and evolve the platform towards greater autonomy and robustness.🧰 My Responsibilities• Daily support for developers and guidance towards greater autonomy on cloud and CI/CD topics• Resolution of production incidents and critical bug fixing• Strengthening platform high availability (HA)• Infrastructure scalability to support increased load• Infrastructure management with Terraform and GitOps (GitHub/GitLab + ArgoCD)• Continuous improvement of the delivery chain with a lean and collaborative approach📈 Results Achieved• Significant reduction in deployment times (time halved)• Cost reduction in cloud & Kubernetes (costs reduced by an average of 3x)• Creation of a standard authentication system that reduces time-to-market for applications (reduction from 2 days to 2 hours to connect an app to the Qonto ecosystem)
- Mercato de l'EmploiCloud DevOps EngineerHUMAN RESOURCESSeptember 2023 - February 2025 (1 year and 5 months)Montpellier, France🧩 Mission - Employment MarketplaceCloud DevOps Engineer - Multi-client HR SaaS Project👥 Client: Employment Marketplace🏢 Sector: Recruitment / HR SaaS☁️ Cloud: AWS | Kubernetes | GitOps | Terraform🔍 Context & ObjectiveEmployment Marketplace is developing a SaaS application to digitize recruitment management: CV database, applications, matching, candidate tracking.The need: to implement a robust and scalable cloud infrastructure capable of provisioning a dedicated instance for each client via an API, while ensuring performance, security, and autonomy.🧰 My Responsibilities• Complete deployment of the application (Strapi, NextJS, Apollo GraphQL) on AWS• Creation and management of containers using Docker and Helm on Kubernetes• Implementation of an automated GitOps process (GitLab CI/CD + ArgoCD)• Automation of provisioning via a Python API• Centralized management of secrets, certificates, and multi-environment configurations• Operational monitoring and alerting with Prometheus, Grafana, Alertmanager, PagerDuty• Support and training of internal teams in DevOps & cloud operations📈 Results Achieved• Private infrastructure automatically provisioned for each client• 100% automated deployment: stability, speed, zero friction• Complete observability stack → improved responsiveness in case of incidents• Client became autonomous in environment management through skills transfer• Reduction in time-to-market and overall CI/CD chain reliability
- EpiktetCloud DevOps EngineerHEALTH AND WELLNESSNovember 2023 - February 2025 (1 year and 3 months)Montpellier, France🧩 Mission - Epiktet (Momji, Amelis)Cloud DevOps Engineer - Deployment of web applications for early childhood and home care👥 Client: Epiktet Group (Kinougarde, Momji, Complitude, Amelis)🏢 Sector: Personal services – early childhood, tutoring, elderly care☁️ Cloud: AWS | Kubernetes | GitOps🔍 Context & ObjectiveThe Epiktet group, a leader in personal services (childcare, tutoring, home care), was launching a series of applications for its flagship brands Momji and Amelis.Objective: to offer an intuitive web interface, accessible to the general public, allowing users to book slots, discover offers, and embody Epiktet's business expertise across its various sectors.The project, initially carried out for Momji, was extended to Amelis following its technical and organizational success.👉 My mission: deploy a robust and automated cloud infrastructure, ensure a smooth delivery cycle, and transfer DevOps skills to internal teams.🧰 My ResponsibilitiesDeployment of AWS cloud infrastructure and web applications (Strapi, NuxtJS, Apollo GraphQL)Kubernetes orchestration + Helm, containerization via DockerImplementation of a complete CI/CD pipeline with GitOps (GitHub + ArgoCD)Automation of secrets, certificates, and environment managementApplication monitoring with Prometheus, GrafanaProgressive and secure migration to industrialized DevOps toolsTraining of internal technical teams and transfer of DevOps know-how📈 Results Achieved• Successful launch of Momji and Amelis applications on isolated, stable, and easily maintainable infrastructures• Client autonomous in managing environments and the application lifecycle• Continuity ensured from one project to another within a growing tech & data group• Contribution to the digitalization of high-impact social services, led by a key player in the sector
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Education
- Manager des systèmes d'information et d'infrastructure (bac +5), Ingénierie informatiqueENI Ecole Informatique2018Manager des systèmes d'information et d'infrastructure (bac +5), Ingénierie informatique
- System and Network Administrator (Bachelor's degree)ENI Ecole Informatique2017Administrateur système et réseau (bac +4)
Certifications
- CKAD: Certified Kubernetes Application DeveloperCNCF2024
- AWS Certified Cloud PractitionerAWS2021