ABFreelancer profile translated to English.
Back to original languageAbout Alexandre
🎯 AWS Cloud Architect | Infrastructure & DevOps Expert | +20 years of experience
Hello, I am Alexandre, a trained engineer and AWS certified Cloud architect, with over 20 years of experience in designing, implementing, and industrializing robust, scalable, and secure Cloud architectures.
I work with public and private organizations (CHANEL, Ministry of Justice, ENEDIS, RTE…) on strategic projects, often with high technical stakes, where mastering infrastructure, security, DevOps, and cloud governance is crucial.
🔧 What I offer:
- AWS Cloud Architecture (hybrid, serverless, containers, multi-cloud)
- Complete automation via IaC (Terraform, CDK, CloudFormation)
- Secure CI/CD pipelines (GitHub Actions, GitLab, Jenkins, Azure DevOps)
- Governance, security, compliance, FinOps
- Technical and methodological support for teams (DevOps / Cloud / Architecture)
💡 I particularly enjoy working on:
- Cloud transformation of complex IS
- Highly regulated environments (public sector, healthcare, finance)
- Data and Lakehouse platforms (Databricks, S3, Glue...)
- Continuous improvement of delivery and software quality processes
🌍 Based in Paris, I can work remotely or on-site depending on your needs.
🎯 **Objective**: To put my expertise at the service of your business challenges, with pragmatic, secure, and sustainable Cloud solutions.
👉 Let's discuss your project together!
English
Native or bilingual
Spanish
Fluent
French
Native or bilingual
Can work on-site
Paris (up to 10km)
Experience
- Region Ile de FranceSolutions Architect / Cloud Strategy ConsultingPUBLIC SECTORFebruary 2025 - March 2025 (1 month)Paris, France
Context
As part of the modernization of the Smart Services platform of the Île-de-France Region, I was commissioned to conduct a strategic study of evolution towards sovereign PaaS solutions, integrating the challenges of regulatory compliance, AI sovereignty, data security, and environmental efficiency.Actions
- Conducting an in-depth comparative study of 4 sovereign cloud providers: Bleu, S3NS (Thales + Google Cloud), OVHcloud, and Scaleway.
- Evaluating their technical offerings: Managed Kubernetes (KaaS), Serverless Functions (FaaS), AI / GPU / sovereign model Services, DevSecOps / CI/CD / observability Support
- Analyzing roadmaps towards SecNumCloud certification, and guarantees of regulatory compliance (GDPR, sensitive data, trusted cloud).
- Creating a functional map of the existing system, identifying migratable components, critical dependencies, and transformation scenarios.
- Facilitating multi-stakeholder framing workshops (IT department, business lines, governance) to align expectations and raise awareness of risks/opportunities.
- Formulating detailed recommendations with a prioritized action plan.
Results
- Structured deliverable of multi-criteria analysis with technical, regulatory, and economic comparison tables.
- Oral presentation to IT management of the sovereign PaaS migration strategy, with roadmap and possible trajectories according to political, technological, and budgetary constraints.
Technical environment
- Clouds analyzed: Bleu, S3NS, OVHcloud, Scaleway
- Target technologies studied: Managed Kubernetes (KaaS), Serverless (FaaS), IA as a Service, GPU cloud, encryption, identities, native logging & monitoring
- Standards & Frameworks: GDPR, SecNumCloud, ANSSI, Trusted Cloud
- Tools: Functional mapping, multi-criteria analysis matrices, cost benchmarks, publisher technical documentation
- CHANELAWS Cloud Solutions Architect / Technical ManagerLUXURY GOODSJanuary 2024 - June 2024 (5 months)Paris, France
Context
As part of a strategic HR initiative at CHANEL, implementation of a platform for analyzing the capacity of managers to act. This platform had to integrate with the existing Microsoft ecosystem (Azure AD, Microsoft Forms, Power Automate), while relying on an industrialized Cloud analysis infrastructure in AWS, with automated report generation and personalized restitution.Actions
Design of the hybrid Azure–AWS architecture, integrating:- Authentication via Azure Active Directory to secure access to questionnaires.
- Collection of responses to Microsoft Forms aggregated automatically in Excel using Power Automate.
- Copying these files to S3
Implementation of a data processing pipeline:- AWS Lambda reading the updated Excel files, extracting the data, and injecting it into DynamoDB tables.
- Using DynamoDB Streams to publish events to S3 buckets, feeding a Databricks lakehouse for statistical studies by data teams.
Automation of PDF report generation:- Generation and sending of personalized reports via the Resend service, with stylized HTML email templates using Maizzle.
Coordination with security and data teams at CHANEL for validation of flows, compliance with security policiesCreation of the Infrastructure as Code base with AWS CDK (TypeScript): complete automation of provisioning.Writing technical documentation, managing test phases, and supporting production releases.Technical environment
Azure AD, Microsoft Forms, Power Automate, Excel Online, AWS Lambda, DynamoDB, DynamoDB Streams, S3, Databricks, Resend, Maizzle, CloudWatch, GitLab CI, TypeScript, CloudFormation, CDK - Humans Matter SBTAWS Cloud Solutions Architect / Technical ManagerEDUCATION AND E-LEARNINGJanuary 2022 - December 2023 (1 year and 11 months)
Context
Creation from scratch of HappyNeuron Academy, an online training platform for speech therapists and learning HappyNeuron software, with objectives of scalability, security (sensitive data), UX performance, and business support.Actions
Design of the overall platform architecture: 100% AWS cloud-native approach, favoring managed and serverless services.Infrastructure automation via AWS CDK (TypeScript): industrialization of multi-environment deployments.Implementation of Cognito for authentication and user management with differentiated roles (speech therapists, trainers, administrators).Creation and development of the user exchange functionality:- Implementation of a collaborative chat integrated into the training courses.
- Architecture based on GraphQL with AWS AppSync, coupled with Lambda for business logic and DynamoDB for persistence of messages and discussion threads.
- System designed for low latency, high availability, and easy content moderation.
Deployment and supervision via GitLab CI, CloudWatch, and personalized Alerting.Technical management, documentation of architecture patterns, and transfer of skills to internal teams.Technical environment
AWS AppSync (GraphQL), Lambda, DynamoDB, Cognito, API Gateway, RDS PostgreSQL, S3, CloudFront, Secrets Manager, Route 53, EventBridge, SSM, WAF, AWS CDK (TypeScript), GitLab CI
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Education
- Engineer's degreeESIEA2004Diplôme d'ingénieur
Certifications
- AWS Certified Solutions Architect – AssociateAmazon Web Services