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Joran Le CrenJL

Joran Le Cren

CTO & Architect & Lead Engineer Freelance

€950/day
Nantes, FR
8-15 years

Average response time: 1 hour

About Joran

I’m a software engineer and freelancer, and I used to train by myself on many technologies. For 18 years, I got interested in development, software and system architecture, and agile methodologies. I’m challenged on systems that require to be impactful and to scale rapidly so for the last few years, I specialized myself in backend development at scale. My main language is Java but I used other languages for my projects like Python, Javascript or Golang.

My ideal team to work with is a team where code quality and continuous integration is a must. The team shall be able to manage itself, to know how to work with remote people and to enable people to share between each other.

On the business side, I’m interested in disruptive innovations that can create a big social or economical impact. I perform product development through the Lean Startup methodology. I’m also experienced in Agile processes on several sites: internal teams, off-shore teams and customer teams.
  • French

    Native or bilingual

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • Marram
    CTO
    PRESS AND MEDIA
    October 2019 - Today (6 years and 8 months)
    Paris, France
    Build the product marram.io to handle the whole shooting process.

    Take the client needs during Pre-production phase by offering a typeform-like interface that helps to normalize the brief for the shooting

    Create a collaboration platform for the users, clients and artists, that helps them to co-build the brief

    Create a simple digital asset management to handle the transfer of the assets during the post-production phase

    Automate the deployment of the stacks with AWS Amplify and Serverless.io
    React.js Typescript GraphQL Node.js AWS Serverless Elasticsearch Ant Design
  • BioSerenity
    IoT Architect
    MEDICAL
    December 2017 - December 2018 (1 year)
    Paris, France
    In this mission for Squad Twelve, I helped Bioserenity to scale their IoT Architecture from 100 to 1000+ devices.
    Also, Bioserenity required to store the medical data in each country separately. I helped to create a multi-region infrastructure.
    Stack: RabbitMQ, Kafka, Terraform, Docker, Spring Boot, Java 8, Node.js, Javascript, Golang, AWS (EC2, Route53, API Gateway, Lambda, RDS...), Jenkins, Gitlab, Nexus
    RabbitMQ Apache Kafka Terraform Docker Spring boot Java Golang AWS
  • Oyst
    Developer Backend Node.js
    E-COMMERCE
    September 2017 - November 2017 (3 months)
    Paris, France
    Short mission to help Oyst refactoring their payment workflow on their backend application with simpler architecture patterns.
    Node.js Typescript Gitlab CI/CD

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Education

  • Software Engineer
    ECOLE SUPÉRIEURE D'ELECTRONIQUE DE L'OUEST-ESEO ANGERS
    2005
    Master in Computer Sciences

Skill set (41)

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