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Mathieu GrémontMG

Mathieu Grémont

Supermalter

Full Stack Developer

€720/day
9 projects
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Mathieu

Developer since 2014, I remained employed at the ESN Avanade for more than 6 years, which allowed me to develop my skills in Full Stack web programming technologies. My first mission (around 3 years for Airbus Helicopter) helped me to improve my skills in AngularJS, Azure Dev Ops, C#, ASP.NET, Azure and to a lesser extent in Xamarin Forms through the development of a digital logbook for pilots, maintenance, and helicopter fleet managers. My second mission (at Engie, for more than 8 years) developed my skills in Angular, ReactJS, NodeJS, Typescript and led me to master a number of AWS services (CloudFront, API Gateway, Lambda, Elasticsearch Service, S3, SQS) as well as Azure (Azure CDN, APIM, Azure Functions) through the development from scratch of a web application for provisioning and its APIs, a company directory, and a web application for referencing Engie entities and their contacts. I continued to develop my use of AWS services, lambda, Athena and Redshift in particular, as part of developing data retrieval jobs and feeding PowerBI Dashboards.
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Paris (up to 50km)

Experience

  • ENGIE
    Full-Stack Developer - Cloud Application Developer - Repositories and Data
    ENERGY AND UTILITIES
    January 2024 - Today (2 years and 7 months)
    Courbevoie, France
    Development of a web application for IT entities and their contacts (especially crisis contacts). Technical stack: Angular, NodeJS, Azure (APIM, Azure functions).

    Development of a repository application for industrial sites and their contacts using the same technical stack as the entity repository.

    Development of data retrieval and transformation jobs to feed the company's PowerBI Dashboards. Technical stack: NodeJs, Python, C#, Powershell and use of AWS Lambda, API Gateway, EC2, Redshift, Athena, S3 services.
    Full-stack development Microservices Amazon Redshift Python AWS Lambda
  • ENGIE
    Full-stack Developer - Cloud Application Developer
    ENERGY AND UTILITIES
    January 2021 - January 2024 (3 years)
    92400 Courbevoie, France
    Evolutionary maintenance of the Engie provisioning tool: Evolution of the infrastructure towards a serverless infrastructure
    - Removal of Frontend servers in favor of AzureCDN
    - Removal of Backend/API servers in favor of an APIM/Azure Functions solution
    Evolutionary maintenance of the Engie Directory project
    Securing AWS and Azure infrastructures
    AWS Microsoft Azure Node.js Angular React.js
  • ENGIE
    Full-stack Developer - Cloud Application Developer - Company Directory
    ENERGY AND UTILITIES
    May 2019 - January 2021 (1 year and 8 months)
    92400 Courbevoie, France
    Creation of the Engie Group Directory allowing the search and consultation of each Engie employee's profile, modification of one's own profile information, and consultation of the company's organizational chart. From a technical perspective, the application is entirely serverless, hosted on AWS, developed in ReactJs (frontend) and NodeJS (backend) for the web app part, and in React Native for the mobile part. Elasticsearch was chosen for the database. My contribution to the project is as follows:
    - Design of the infrastructure and solution
    - Creation and configuration of the network stack in AWS (VPC/Subnet/SG/Others...)
    - Creation and configuration of various AWS services (Cloudfront/API Gateway/ElasticSearch Service)
    - Backend development (AWS Lambda in NodeJS)
    - Creation of CI/CD deployment pipelines (VSTS)
    - Assistance in Frontend development (ReactJS)
    - Assistance in mobile application development (React Native)
    Elasticsearch Amazon Web Services (AWS) Full-stack development React.js Node.js

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Education

  • Professional License SIL, Software Engineering Option, Computer Programming / Developer, General
    Université Paris Descartes
    2014
    Licence PRO SIL option Génie Logiciel, Programmation / développeur informatique, général
  • BTS in Information Technology Services for Organizations, Software Solutions and Business Applications Option, Computer Programming / Developer, General
    Lycée René Descartes, Champs Sur Marne
    2013
    BTS Service Informatique aux Organisations option Solutions Logicielles et Applications Métiers, Programmation / développeur informatique, général

Skill set

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