
Paul Roussel
Senior Backend Developer | Python, Terraform
Salary / Daily rate
Paris, France
Freelance
Can come onsite
Skills
Languages
Work experience
Senior Software Engineer
Sonio
Jun 2025 - Jul 2025
2 months
Paris, France
Sonio is a cloud-based ultrasound OB-GYN reporting software using clinical AI to imrove efficiency and quality control for sonographer and doctors. I built an Electron application to improve third party file management in 2 months. I built a full release process, including ci, documentation and a seamless auto-updater. I used Node.js, React.js, github-action and terraform.
Senior Software Engineer
WorklifeFreelance
Jan 2025 - Jun 2025
6 months
Paris, France
Worklife is a subsidiary from the Credit Agricole bank. They provide payroll benefits such as meal voucher or mobility expenses. They tasked me to design and implement a solution to make their micro-service (15 services) stack testable and more resilient to service changes before going to production. I worked with python, gitlab-ci, postgres.
Senior Software Engineer
Payplug
Jul 2024 - Dec 2024
6 months
Paris, France
Subsidiary of BPCE, they handle 10% of the french e-commerce market. I worked on their core banking system to allow a smooth transition from monolith into micro-service.
Senior Software Engineer
Koala Insurance
Apr 2024 - Jul 2024
4 months
Paris, France
Regtech that build a platform to help companies with compliances issues.
First Software Engineer
Flit
Mar 2023 - May 2023
3 months
Paris, France
Typescript, React, PostgresSQL, Terraform, Cypress. I've created a messaging infra with RabbitMQ and AWS/terraform. I've added code coverage report and code coverage check in CI
Software Engineer
Alma
Feb 2022 - Dec 2022
11 months
Paris, France
hired as a SFCC Developer, then moved on to a python backend job. I worked with FastAPI, Flask, PostgresSQL(SQLAlchemy). I also built a e2e CI with codecept.
Back-end Developer
Convelio
Jun 2021 - Dec 2021
7 months
Paris, France
Convelio is a scaleup that help professional and private owners to move their art pieces around the world. I worked with Laminas (Zend), used clean code practices, TDD/BDD. I had to refactor and sanitize the code base.
Back End Developer
Medicalib
Aug 2020 - Apr 2021
9 months
Paris, France
Medicalib is a startup aiming to help patient needing cares to find nurses available near them. I'm working with Terraform, AWS, Typescript, Php (Laravel). I was tasked to design a new micro-service application using terraform, AWS Lambda and DynamoDB. I had to refactor the code base from an startup early stage to something more stable.
Software Developer
Method Studios
Sep 2019 - Jun 2020
10 months
Montreal, Canada Area
Method Studios is an international, award-winning VFX, digital, and design studios providing a full range of services for the film, TV and advertising industries. My work is creating and maintaining tools for VFX artists and improving their work environment. I mostly work on several Python APIs that are consumed by other developers. We use RabbitMQ, PostgreSQL, Ansible, Kibana, Shotgun. We are working with Agile methodologies, with a team located in 4 different sites.
Back-end Developer
AssoConnect
Nov 2018 - Mar 2019
5 months
Paris Area, France
AssoConnect is a start-up developing an ERP for non-profit organizations. Current missions : Back-End Developer and DevOps. I'm working with Symfony4, MySQL, Redis (and following an Agile Management approach). I was initially asked to be in charge of the transition from a monolithic structure to the Azure cloud. Continuous deployment is now used, via Docker images, on an automated scaling. I later contributed to an open-source queue management driver, also for Azure.
Back-end Developer
ITELIOS
Sep 2017 - Sep 2018
1 year 1 month
I worked @ Itelios as a Salesforces Commerce Cloud Back-End Developer (ie. an e-commerce JS framework). My main project was a B2B website for L’Oréal. I did also worked on some front end tasks and with Node.js sporadically.
CTO
Tulpa
Jun 2014 - Aug 2017
3 years 3 months
Paris Area, France
I joined and worked as the 1 st Developer of the starting company, later to become its CTO. I designed all the technical structure of the project : Symfony 2/3, MySQL, Apache2.
Freelance Web Developer
Freelance, self-employed
Sep 2010 - Sep 2016
6 years 1 month
Paris Area, France
I Worked as a Freelance to fund my studies, on short-term missions (from 1 week up to 2 months-long) - Companies I worked for, among others: HP, BeMyApp, CapGemini… - Mainly worked with Symfony, Laravel, CakePHP, NodeJS, AngularJS, C++
Teacher
Epitech
Oct 2012 - May 2014
1 year 8 months
Paris Area, France
Teaching Web, then C