Bill Metangmo Tsobze
DevOps & SRE Leader | Generative AI Specialist
Salary / Daily rate
Paris, France
Freelance
Remote only
Skills
Languages
Work experience
CTO
StewdyFreelance
May 2025 - Present
1 year 6 months
Paris, France
Building edge native application for the future of education using AI. Manages a team of 3
Senior cloud engineer II
Teads
Dec 2024 - May 2025
6 months
Paris, France
Team responsible to provide a stable, secure mutli-cloud environment that engages over 1.9 billion unique users in ad experiences every month.
Staff DevOps Engineer
HomeExchange
Aug 2023 - Dec 2024
1 year 5 months
Paris, France
Lead roadmap definition and execution (reported directly to CTO): - Transitioned the team from a DevOps to a Platform Engineering mindset. - Implemented preview environments, reducing the mean time to merge a PR by 70%. - Migrated from long-running to ephemeral, auto-scaled GitLab runners, cutting CI costs by 70%, increasing execution speed by 4x, and enhancing security. - Improved the observability stack by integrating traces (OpenTelemetry + AWS X-Ray) and synthetic tests for critical paths, significantly impacting regression testing and deployment reliability. - Secured staging and ephemeral frontend environments by implementing SSO authentication in ALB. - Successfully migrated over 300 source code repositories and CI pipelines from Bitbucket to GitLab with zero downtime for developers by leveraging a custom migration CLI tool. - Developed and executed a comprehensive disaster recovery plan focused on ransomware protection, utilizing immutable backups and an isolated data bunker account for enhanced security (achieving an RPO of 24 hours and an RTO of 1 hour). - Reduced EC2 costs through optimized off-hours usage and EC2 Spot Instances (40%) - Migrated our MySQL RDS instance to Aurora, achieving improved performance and scalability.
Founder in residence
AntlerFreelance
Apr 2023 - Jul 2023
4 months
2 months intensive startup program
Founder - Working on something new
Stealth StartupFreelance
Jan 2023 - Jul 2023
7 months
Worked on a product to help companies attract and retain best tech talents in their teams
WeScale
May 2020 - Dec 2022
2 years 8 months
Paris, France
Senior DevOps & SRE Consultant - BPI France
Dec 2021 - Dec 2022
1 year 1 month
Paris, France
Part of the observability team which provides a self-service solution to add monitoring to all (100+) teams - Built a POC for autoremediation platform using Datadog,Opsgenie and Ansible Automation Platform - Lead and fix CI/CD human bottleneck by building a tool - Solved perfomance issue with RDS PostgreSQL databases that saved a lot of money
Cloud Builder
May 2020 - Dec 2022
2 years 8 months
Paris, France
- Helped customer on infrastructure lifecycle automation topics - Participated to internal session of share "weshare" as speaker or active attendee - Wrote ( alone or with teammates) and reviewed peers article of the blog: https://blog.wescale.fr/ - Participated as writer or review of monthly press updates : https://blog.wescale.fr/tag/revue-de-presse/
Staff DevOps Consultant - Deveryware
Oct 2020 - Dec 2021
1 year 3 months
Paris, France
Infrastructure automation/reliability for an microservice based appliction deployed with Vanilla Kubernetes: - Built company infrastructure template for Terraform/Terragrunt + Ansible based projects - Installed Harbor as on-premise image registry and cache - Updated security from "everyone is a kube-admin" to RBAC using Dex OIDC & Gangway - Built a self service minimal product deployment using k3s + Jenkins to acclerate developer work - Enforced security encryption for Kubernetes using Mozilla/SOPS - Configured observability on cluster resources + apps using Prometheus/Grafana - Added snapshot/backup capability for cluster recovery using VMware velero - Configured Botkube (event-based) as notifier in case of Prometheus not supported metrics
Senior DevOps Consultant - Brut Media
Sep 2020 - Oct 2020
2 months
Paris, France
Developed load tests to determine the number of users that a new video streaming platform. - Defined test scenario - Built load tests tool using Terraform/Ansible/docker / Linux ffmpeg / Python
DevSecOps & SRE Engineer
Qopius, a Trax company
Oct 2018 - May 2020
1 year 8 months
Paris Area, France
DEPLOY, RUN, MAINTAIN the deep learning platform on Google Cloud Platform: - Google Cloud Platform Cost management - Constructed dashboards for application/data flow monitoring - Ingestion & Analytics using BigQuery - Developed internal productivity tool for AI dev team - Identity & Access Management - Maintain & upgrade Qopius GCP infrastruture: GCE, Google App Engine, Bigquery, Cloud functions, Memory store, Cloud source repository, Cloud registry, Google cloud storage using Cloud console , ansible, terraform/Pulumi - Backend development using Python, MongoDB - Developed a python library for robot/camera partners - Conducted discussions about integration with robot/camera partners
Education
INSA Toulouse - Institut National des Sciences Appliquées de Toulouse
Diplôme d'ingénieur, Informatique & Réseaux
2012 - 2015
4 years
Ecole Nationale Supérieure Polytechnique de Yaoundé
Two-year undergraduate intensive courses in Mathematics & Physics, Classes préparatoires
2010 - 2012
3 years
Licenses & certifications
Introduction to LangGraph
Issued: Nov 2024
Retrieval Augmented Generation for Production with LangChain & LlamaIndex
Issued: Jan 2024