Back-end Developer2016 - 2018Growbots
Technologies: Python, Flask, SQLAlchemy, Celery, Continous Delivery
- Wrote and maintained a REST API in Flask with Celery background tasks handling hundreds of requests per second.
- Improved performances by switching from a pull-based approach to a push one for external services.
- Improved application latency by profiling and rewriting SQL queries as well as tuning MySQL.
- Tracked down and reduced memory leaks in Python applications.
- Migrated existing codebases from Python 2 to Python 3.
- Provided long-term maintenance of a core service in a microservices architecture.
- Improved the continuous delivery workflow with Gitlab CI and Docker containers.
DevOps Engineer2014 - 2016OVH
Technologies: Python, Flask, SQLAlchemy, Celery, Docker, Puppet, Ansible
- Developed REST APIs in Flask that help deploy large OpenStack clouds.
- Provisioned the server with Puppet and Ansible.
- Wrote an API to automate the creation and signature of SSL certificates used by Puppet to authenticate hosts.
- Monitored large-scale infrastructure with Shinken.
- Deployed production using Docker containers on Apache Mesos.