
Fabien Bontemps
Freelance Architect, Cloud & DevSecOps
Salary / Daily rate
Nantes, France
Freelance
Can come onsite
Skills
Languages
About me
Intro
With over 20 years of experience as an architect, I am an expert in Cloud and DevSecOps, helping companies define and implement robust, secure, and scalable architectures. My services: - Architecture & move-to-cloud. - Technical & security audit: performance, quality, and best practices. - CI/CD, FinOps, and industrialization. - Coaching & technical support: team skills development, technical leadership. - Operational support & delivery.
Work experience
Solution Architect
NickelFreelance
Jan 2026 - Present
10 months
Nantes, France
• Architecture solution scope & definition • RFI/RFP • Cloud, DevOps & Platform Engineering
Coach SRE
PMUFreelance
Jan 2026 - Jun 2026
6 months
Paris, France
- Building the company's SRE strategy (governance, action plan & IT Steering Committee presentation) in a SAFe environment. - Prioritizing scopes based on value stream analysis via LeanIX.
DevOps Senior
CCF GroupFreelance
Aug 2025 - Dec 2025
5 months
Nantes, France
- Infrastructure definition with Terraform - Deployment automation with Gitlab CI - Deployment of KafkaUI on EKS & AWS MSK cluster tuning - EMR Serverless optimization & Spark jobs on Scala - Release management support & methodology
DevOps & Kubernetes expert
TeamWillFreelance
Apr 2025 - Jul 2025
4 months
Remote
• Full Kubernetes solution, based on Spring Boot micro-services, Api management (Kong) & Kafka. • CI/CD implementation for TeamWill solutions (Gitlab CI, ArgoCD, ECR, Nexus, SonarQube, DependencyTrack) • Installation & industrialization of the solutions (Terraform, EKS, GitHub, TeamCity, Artifactory) for end customers
Hands-on Software Architect, DevSecOps
TakeTurns
Dec 2021 - Mar 2025
3 years 4 months
Remote
Architecture (design, studies and implementation) : - High availability EKS-based architecture. - Event-Sourcing, Apache Cassandra & Apache Pulsar. - CQRS & AWS OpenSearch. - Cloud AWS multi-regions. - Microservices Java/Kotlin, Spring Boot & Spring Cloud. - Monitoring & Tracing (Prometheus, Grafana, Loki, OpenTelemetry). - OAuth2 & OIDC (AWS Cognito). - API Gateway. infrastructure management (AWS & Infrastructure as Code). Infrastructure cost optimization of 45 % (FinOps). Release management & operations. Continuous integration & deployment (IaC CDK, Helm & scripting). Zapier, CRM integration. DevSecOps / Cloud Security & certification SOC2 Type II.
Solution Architect - Product Architect
TIBCO
Jun 2019 - Dec 2021
2 years 7 months
Paris, France
- Definition, development and implementation of TIBCO Cloud Metadata. - Solution Architect, development manager & Release manager. - Metadata Asset Management built on TIBCO EBX. - Spring Boot, DevOps, Cloud AWS.
Managing Solution Architect / Technical Manager
Capgemini
Apr 2015 - Jul 2019
4 years 4 months
Nantes, France
Managing Solution Architect in Capgemini Financial Services. Bank & Insurance clients. Near Shore Center Technical Manager (> 300 people) . Technical management & recruitment. Developers training & support. Technical solutions & software architecture definition. Industrialization and process management, DevOps & agility. Java/JEE expert, audits & training. Manager for the Software Engineers & Architecture communities. Main projects : - MDM domain for BNP Paribas (TIBCO EBX, JEE, Websphere, DevOps). - Collective Insurance (Groupama Nova) (ITN Cleva, JEE, JBoss, Spring batch, DevOps). - SAB core banking solution for HSBC. (JEE, DevOps). - Full docker CI implementation for BCV (Gitlab, Jenkins, SonarQube, Nexus). - 89C3 : Datalake feeding for BPCE (Hadoop). - Re-platforming program for Crédit Agricole (z-OS to distributed system).
Java EE Architect
Sopra Steria
Jan 2013 - May 2015
2 years 5 months
Nantes Area, France · On-site
Technical Architect (multiple missions) - Java/JEE Training & developers management. - Architecture consulting & audit. - Pre-sales. - Project support (requirements definition, IDEs , best practices). - Technology watch. - Recruitment support.
IT Solutions Architect
SNCF Voyages
Oct 2010 - Jan 2015
4 years 4 months
Nantes Area, France · On-site
IT Solutions Architect - SNCF Voyages - Multi-projects transversal architect. - Project Managers support and technical management. - Architecture deliverables & technical notes. - Invoice dematerialization and archiving with probative value. - Applications using Voyages SNCF customers datawarehouse (Marketing & Fraud management). - Exchange urbanization & accounting feeding to SAP. - BI management (regularity, fraud, sales, etc.). - DRP implementation. - Architecture & urbanization referent for projects. - Technical supervision & validation in collaboration with Ops. - Definition, management, RFP & RFI for strategic architecture.
Java EE Architect
Informatique Banques Populaires
Jul 2005 - Oct 2010
5 years 4 months
Nantes Area, France · On-site
- Architecture definition, conception & development of transactional publishing solution for Banques Populaires. - Technical architecture definition. - UML conception & development (JEE/Webservices/ESB) - Tuning & quality measurement. - Tooling (integration, APM, statistics, Continuous Integration). - Nirva Integration Platform. - Adobe LiveCycle ES.
Java EE Architect
La Poste
Aug 2004 - Jul 2005
1 year
Nantes Area, France · On-site
- Web/Java EE Component optimization - Technical expertise & support on internal projects. - Technology watch and POCs on several APIs (POI, Hibernate, Castor, JUnit, etc.) - POO/Java/JEE/Struts/Design Patterns trainer. - Continuous Integration (Cruise Control, Ant & CVS).
Java EE Software Engineer
Degetel
Aug 2000 - Aug 2004
4 years 1 month
Paris Area, France · On-site
Fimasys - Profinance - Java/JEE Conception & development. - Applicative maintenance and specific client developments. RSA - members data management. - Applicative Framework optimization - Java Business objects implementation. Natexis-Banques Populaires : OPCVM Portal - Project management consulting. - Architecture consulting. - JEE Prototype conception & development. Thales - CashWare - Solution development for a Datacenter. - Conception, development and solution integration (Java/PKI).
Software Engineer
Arcorp
Oct 1999 - Aug 2000
11 months
Paris Area, France · On-site
Synagir : Projects & HR management - Weblogic/Servlets. Projects using agile RAD methodology - VB/Access
Software Engineer
CGBI
Mar 1998 - Oct 1999
1 year 8 months
Metz, France
Sofinco/Sollac/Crédit Agricole - COBOL/CICS/JCL/Pacbase developments.
Education
AWS
AWS Solution Architect Associate
2025 - 2025
1 month
TOGAF 9
2017 - 2017
1 month
PSM1 (scrum.org)
2016 - 2016
1 month
Télécom SudParis
Technical Architect
2014 - 2014
7 months
Université de Technologie de Compiègne (UTC)
Ingénieur
1992 - 1997
5 years 1 month
Licenses & certifications
AWS Certified Solutions Architect – Associate
Issued: Feb 2025
TOGAF 9 Certified
Issued: Aug 2017
SAB Core Banking
Issued: Aug 2016
PSM 1
Issued: Jun 2016