Freelancer profile translated to English.
Back to original languageAbout Sébastien
Looking for an experienced AWS DevOps?
Want to strengthen your Infra team quickly?
I help companies design robust and scalable AWS infrastructures. I combine performance, automation, and cost optimization.
With 15 years of professional experience, I have been working as a DevOps for 9 years.
I am certified twice by AWS:
• Solution Architect Associate
• Advanced Networking Specialty
I have primarily worked in the Fintech and media sectors. As well as on AI-related topics.
My expertise covers the following areas: AWS, Kubernetes, IaC, FinOps, and GitOps.
I can assist you with:
• Defining an advanced AWS architecture
• Implementing Infrastructure as Code with Terraform
• Setting up a Continuous Integration and Continuous Deployment (CI/CD) pipeline
• Optimizing your AWS costs
• Managing Kubernetes clusters
• Managing Databricks clusters
• Supporting your Data Scientists with their infrastructure challenges
• Applying security best practices (Least privilege, SSO, Firewalls, Secrets, Audit)
• Choosing a monitoring solution
• Leading a DevOps team
Trustworthy, I am committed to delivering reliable solutions tailored to your needs. Always ensuring the transparency and quality of my work.
Have a project?
Contact me, I respond quickly.
----
Keywords: DevOps Cloud, DevOps Amazon Web Services, AWS architect, AWS architect.
French
Native or bilingual
English
Fluent
Can work on-site
Paris (up to 50km), Lyon (up to 50km), Montpellier (up to 50km), Marseille (up to 50km), Lille (up to 50km)
Experience
- ComutitresDevOps AWSTRANSPORTATIONSeptember 2025 - Today (9 months)Paris, France🔹 Development of Gitlab CI pipelines🔹 Management of Kubernetes clusters🔹 Migration of Ingress API to Gateway API🔹 AWS infrastructure management via Terraform
- EditisDevOps AWSPUBLISHINGMarch 2025 - Today (1 year and 3 months)Paris, FranceAs a senior DevOps engineer, I play a crucial role in implementing GenAI solutions for the company's internal needs. In close collaboration with the Data Science team, I implement AWS AI services to foster innovation and efficiency.🎯 Key achievements and expertise:🔹 Architecture and implementation of AWS infrastructures while ensuring scalability, security, and cost optimization.🔹 Infrastructure as Code with Terraform, ensuring consistency and repeatability of infra configurations.🔹 Development of CI/CD pipelines with Gitlab CI🔹 Technical lead on the integration of AI solutions on AWS (Bedrock / RAG)Technical context:• AWS (VPC, IAM, Lambda, S3, API Gateway, Bedrock, OpenSearch)• Terraform• GitlabCI
- AccelexDevOps AWSSOFTWARE PUBLISHINGFebruary 2021 - December 2024 (3 years and 10 months)Paris, FranceHired as the first DevOps in a startup of 30 people (now ~70), I played a central role in designing the company's cloud infrastructure. I supported its strong growth until its Series A funding round of $15 million in 2023.As DevOps Lead, I designed and deployed the company's entire AWS infrastructure, adopting best practices for security, scalability, and cost control.From the second year, I built and supervised a team of 2 junior DevOps, whom I trained in the tools and methods I implemented.I collaborated daily with the Data and AI teams to provide them with a robust and secure environment, meeting the complex challenges of artificial intelligence.🎯 Key achievements and expertise:🔹 Design of a scalable microservices architecture on AWS🔹 Infrastructure as Code with Terraform🔹 GitOps deployment with ArgoCD🔹 Management of Kubernetes clusters (EKS)🔹 Cloud cost optimization (FinOps approach)🔹 Setup and management of Databricks clusters for data scientistsTechnical Stack:• AWS (EC2, S3, EKS, ECR, Cloudtrail, Lambda, MSK, Bedrock, Opensearch, Sagemaker, VPC)• Terraform• Github• Python Back-end• ArgoCD• Datadog• Tenable Cloud Security
Recommendations
CD
These freelancer profiles also match your criteria
Agatha Frydrych
Backend Java Software Engineer
4.7
(3)
2
Baptiste Duhen
Fullstack developer
4.6
(4)
5
Amed Hamou
Senior Lead Developer
4
(2)
7
Audrey Champion
Web developer
4.3
(3)
4
Education
- Licence professionnelle, Administration Systèmes et RéseauxUPEC2010Licence professionnelle, Administration Systèmes et Réseaux
- Bac Scientifique, Spécialité Sciences de l'IngénieurLycée Léonard de Vinci2007Bac Scientifique, Spécialité Sciences de l'Ingénieur
Certifications
- AWS Certified Advanced Networking SpecialtyAWS2025
- AWS Certified Solutions Architect – AssociateAWS2023