guillaume BIDAN
CTO | VP Engineering | ex-CTO @Tediber
Salary / Daily rate
Paris, France
Freelance
Can come onsite
Skills
Languages
About me
Intro
Tech executive with 12+ years of experience building and scaling e-commerce platforms and engineering teams. Successfully led multiple tech transformations, including SaaS transitions and cloud migrations to GCP and AWS. Expert in omnichannel retail technology, agile methodologies, and DevOps practices that deliver measurable business results. I create technical foundations that enable businesses to scale efficiently and compete effectively.
Work experience
Head of delivery
ARISTID Retail Technology
Jun 2023 - Present
3 years 5 months
Hybrid
Integration and Technical Projects Director: - Managing 3 teams: Integration, PMO, and CloudOps/DevOps - Supported and facilitated company's transition to SaaS business model - Coordinated all Tech operations to meet project teams' requirements - Optimized Agile methodologies (SCRUM, KANBAN, LEAN) and deployment processes (CI/CD) - Implemented best practices for application versioning and collaboration workflows - Migrated on-premise applications to Nutanix infrastructure using Kubernetes
CTO / Directeur Technique
Tediber
Apr 2018 - Jun 2023
5 years 3 months
20 rue Ste Croix de la Bretonnerie, 75004 Paris
- Build developer teams (front + back + devops + PO + UX) - Setup Agile Methodology (SCRUM, Kanban, Continuous Delivery, Software Packaging, Error monitoring, Web performance analysis, Customer Centric) - Omnichannel platform (eCommerce + Retail) - Migration from wordpress/woo-commerce to Sylius and Nuxt/Vue.js - Migration from dedicated servers to Google Cloud Platform (App Engine, Cloudrun, SQL, Storage, Pub/Sub, Cloud Scheduler, Cloud logging, Dockers, Kubernetes…) and Netlify - ERP integration (Odoo) - Communication with Warehouse Management Systems, Transport Management Softwares, CRM, CDP, BI...
Polantis
Sep 2013 - May 2018
4 years 9 months
Région de Paris, France
IT Director (CTO)
Sep 2014 - May 2018
3 years 9 months
Région de Paris, France
Lead Full Stack Developer managing all the IT/WEB. SEO: - Traffic multiplied by ten Development: - Optimising live websites and creating new front/back functions - Creating new interfaces using Symfony2/3. - Development strategy: Finding the best CMS/Frameworks according to our needs. - Creating restful json api - Creating software API in C# Hosting: - Full Cloud migration to AWS (Elastic Beanstalk, EC2, RDS Aurora, S3, EFS, CloudFront, CodePipeline, Lambda...) from Dedicated servers - Managing Dedicated and Cloud servers - Orchestrating machines with ansible - Infrastructure strategy
IT Architect
Sep 2013 - Oct 2014
1 year 2 months
Région de Paris, France
Responsible for a dedicated server. Goal: Optimise code from an offshore development, create new functions and reference websites (mainly www.polantis.com) SEO: - Improved Alexa Global Rank from 300 000 to 75 000 - Traffic doubled and pages viewed tripled - Page Rank from 4 to 5 - Improved Google indexed pages from 2 700 to 23 300 Optimisation: - SQL requests (speed, accurracy and complexity), databases' architecture - Server management - PHP, Javascript and Ajax functions - CSS and Responsive Design ... Development: - New client interface - New search tool ...
Wireless Platforms Project Manager
Orange
Jul 2011 - Dec 2011
6 months
92130 Issy-les-Moulineaux, France
- Certification projects on Wireless Platforms - Development of several PHP tools to support Group 's strategy building. - Various tasks in the deployment process of OPEn (Orange Platform Evaluation Program) - Worked on information extraction and processing tools for OPEn
Education
Queen Mary University of London
Master's degree
2012 - 2013
1 year 1 month
Isep - École d'ingénieurs du numérique
Master's degree
2008 - 2013
5 years 1 month