Continuous improvement of their Ruby on Rails monolith and API and performance optimisations for the API.

Implementation of new features in the React frontend.

API Performance optimisations.

Continuous improvement of their Ruby on Rails monolith and API.

Migration of the applications to Ruby 3 and Rails 6.

Development of a custom tool to automatically provision and manage QA environments on Heroku.

Migration of their infrastructure from a French PaaS to AWS using Terraform, Packer and Ansible.

Deployed with AWS VPC, ALB, EC2, RDS (Aurora), Elasticache, CodeDeploy, CodePipeline, WAF, S3, CloudFront, ASG, OpenSearch.

Development of a vaccination and health record system in collaboration with the internal team of the company.

Fusion of 3 administration systems into one.

Data migration for the administration system.

Full rewrite of the frontend from React to Ruby on Rails to improve the performances, development speed and thus allow the company to have only one full stack engineer instead of one frontend and one backend engineers.

Use of the latest Ruby on Rails 6.1 features with Webpack, Tailwind, Stimulus, Hotwire.

Application migration to AWS.

Deployed with AWS S3/CloudFront/EC2/RDS/VPC.