Freelancer profile translated to English.
Back to original languageAbout Arnaud
Freelance architect with 20 years of experience, I work at the intersection of Cloud, DevOps, and applied AI.
My background: engineering degree (Polytech'Lille, MPSI/MP preparatory class), years spent designing and industrializing complex systems in an enterprise environment, then a deliberate shift towards the topics shaping tomorrow's infrastructure — Kubernetes/Ansible orchestration, distributed observability with OpenTelemetry and Grafana, data platform deployment, and the integration of AI as a real productivity lever.
Today, I'm involved in simultaneous missions covering API gateway observability and migration on one hand, and data platform deployment via Ansible on the other. In parallel, I am actively preparing for the AWS Solutions Architect Associate certification (SAA-C03, Q1 2026).
Available for freelance missions — AWS Cloud, DevOps/Platform Engineering, Observability, Architecture.
English
Fluent
French
Native or bilingual
Can work on-site
Lyon (up to 50km), Lyon (up to 50km)
Experience
- BEOM ConsultingArchitect | DevOpsDIGITAL AND ITJanuary 2026 - Today (7 months)Villeurbanne, FranceDesign of the target DevOps architecture and development of the Ansible deployment playbook for a data platform on VMs.
- Integration of existing open-source components (Airbyte, dbt, Python) with Airflow (orchestration) and MinIO (object storage), replacing proprietary cloud services.
- Addition of a complete observability stack (Prometheus, Loki, Tempo, Grafana).
Objective: portability and complete deployment automation. - ACG SynergiesSoftware Architect | DevOpsSOFTWARE PUBLISHINGMay 2023 - Today (3 years and 3 months)Bourg, FranceCross-functional software architecture and DevOps mission (3 years).
- Deployment of a distributed observability stack (OpenTelemetry, Grafana, Tempo) on Spring services in production.
- Mobile CI/CD on Bitrise: takeover of an existing pipeline and complete creation of a second one, with automated App Store / Play Store publication.
- Design of a Spring Batch framework adapted to the context.
- Architectural supervision of a project for common Angular components (Angular Material).
- Migration from Gravitee on-prem to SaaS (in progress)
- Migration Spring Boot 2 -> Spring Boot 3.
- Cross-functional support: Spring Boot 3, Angular, POCs, team mentoring.
Technologies: OpenTelemetry, Grafana, Tempo, Gravitee, Docker, Kubernetes, GitLab CI, Bitrise, Java, Spring Boot 3, Angular, Linux - GroupamaTech Lead Java Angular / Software ArchitectureBANKING AND INSURANCEOctober 2019 - April 2023 (3 years and 6 months)Écully, FranceTechnical lead on a long-term enterprise project, responsible for software architecture directions and the delivery of strategic technical initiatives.Key Achievements- Definition of software architectures and technical guidelines- Technical supervision of 15 developers — code reviews, best practices, Katas- Management of complex technical projects and expert interventions- Monitoring of application quality, performance, and security- Technological watch, dissemination of best practicesTechnologies: Java 8, Spring Boot 2, Micronaut, Reactor, Angular, RxJS, Jest, OpenShift, GitLab CI
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Education
- Computer Science / Electronics / Automation EngineerPolytech'Lille2006Après 2 années de classe préparatoire MPSI / MP, j'ai intégré Polytech-Lille au département IMA, qui dispense une formation d'ingénieur pluridisciplinaire en Informatique, électronique et automatique, avec une spécialisation en informatique.
Certifications
- JAVA OCA 7 CertificationOracle2015