Paul Roussel

Senior Backend Developer | Python, Terraform

Salary / Daily rate

Paris, France

Freelance

Can come onsite

Skills

TypescriptNodeDockerAWSFrontend DevelopmentDomain Driven DesignEvent Driven ArchitecturePythonFlaskAWS LambdaBackend DevelopmentFullstack DevelopmentJavascriptReactPHPLaravelAzureSalesforce DevelopmentMongoDBDynamoDBAmazon EC2RabbitMQSymfonyC++TerraformWeb DesignSQL databasesC

Languages

English

About me

Intro

Product oriented dev, specialized in start up. I like to deliver value more than coding things.

Links

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

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