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Sébastien T.ST

Sébastien T.

FullStack Web Developer Java / Angular

€450/day
3 projects
Lyon, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Sébastien

After 4 years of experience across various client projects like Volvo and Orange, I am going freelance to leverage my skills for you.

I am comfortable with the entire development of a web application in Java.
From code management, to Back-End development, Front-End (experience with Spring Boot, Angular)
including CI-CD integration Jenkins, Azure, GitLab, Docker ...

I have had the opportunity to work on projects such as:
- Creation of an API and Angular Front-End from scratch.
- Front-End redesign of a web application in responsive design using Bootstrap
- Azure project setup, from Azure DevOps Code repository to full automated CI-CD production deployment. AZ-900 Certification.
- Implementation of a service discovery to adapt an existing system for Cloud migration
- Enhancement of an Angular component and service library,
- Launch and management of an artifactory.
- Redesign of a GitLab CI/CD system
- Development of features or independent projects.
- SQL query optimization project.
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Lyon (up to 10km)

Experience

  • DecisionBrain
    Microservice Developer
    TRANSPORTATION
    February 2022 - March 2022
    Saint-Pierre, France
    Development of REST API microservices using SpringBoot for inter-location travel management.

    Development:
    - From-scratch SpringBoot development
    - Adherence to OpenAPI standards
    - Code quality monitoring with SonarQube (A rating for code maintainability)
    - Creation of algorithms for location management
    - Calling an external API to retrieve inter-location travel data
    - CI creation in GitLab
    - Dockerfile and docker-compose setup for database and API deployment

    Ancillary skills:
    - Freelance mission
    - Client demo of the API and feedback in English
    - Complete autonomy

    Spring boot MongoDB docker-compose Docker SonarQube REST API OpenAPI Gradle Gitlab CI Mockito JUnit
  • Extia
    Full Stack Java/Angular Developer - Orange
    TELECOMMUNICATIONS
    September 2020 - November 2021 (1 year and 2 months)
    Marseille, France
    Development:

    - Development of features for a multi-module JavaSpringBoot/Angular application
    - Tracking and fixing historical application bugs
    - Participation in functional and ergonomic design and evolution planning
    - Emergency issue resolution for production problems
    - Code review for other developers during merge requests


    Specific Projects:

    - Implementation of centralized management for all asynchronous processes (tracking process progress, failure feedback, process de-duplication management)
    - Creation of complex functional objects definable by simple database entries with default usable methods
    - Redesign of the gitlab-ci deployment system with artifactory integration
    - Participation in architectural discussions for the application in micro-services mode for a long-term vision
    - Creation of a service discovery API for retrieving specific configurations related to interconnected APIs
    Spring boot Angular Spring Batch Gitlab CI/CD Oracle Database Artifactory Maven
  • Sopra Steria
    Technical Lead and Fullstack Java/.NET Developer TMA - Volvo Trucks
    AUTOMOBILE
    January 2018 - April 2020 (2 years and 3 months)
    Lyon, France
    Java Technical Lead:
    - Support for developers (contact for urgent production bugs)
    - Implementation of good coding practices (SonarQube setup, Unit Tests, GitFlow)
    - Definition and application of application delivery processes (Git, CI/CD) Support, point of contact, development for applications:


    Application Languages:
    - Java (JSP, JSF, SpringBoot)
    - .NET (C#)
    - Angular 6
    - Bash (.bat, .sh, .ksh)
    - Database (PostgreSQL, Oracle, SQLServer, DB2)
    - Implementation and use of Jenkins Pipelines, Azure Pipeline
    - Source control management (Git, TFSVC, SVN)

    Specific Projects:
    - Implementation and support of an Azure Cloud architecture
    - POC of a ReactJS application with integration of an image recognition AI module (TensorFlow)
    - Front-End transformation project for a Responsive Design application (SCSS, Bootstrap 4)
    - Application Migrations:
    - JBoss 6.4 to JBoss 7.2 (1 application)
    - WAS 7 to WAS 8.5 (40 applications)
    - DB2 database to PostgreSQL
    - Project to migrate WebSphere MQ client connection framework
    - Participation in a Jboss to OpenShift migration

    English-speaking project
    SonarQube Java Angular Azure OpenShift jenkins .NET

Reviews

5.0

Out of 3 ratings

B

Bruno

DecisionBrain

Reviewed on 6/14/2022

Thank you to Sébastien for his upfront advice, which helped us define the development we requested, ensuring it would be practically useful.
B

Bruno

DecisionBrain

Reviewed on 3/23/2022

Always fully satisfied with this extension of the previous mission. Sébastien knows when to ask questions and is proactive in offering solutions.

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Education

  • Master 2 (M2) STEP-SIG
    Université Jean Monnet Saint-Etienne
    2016
  • Master 1 Territorial Development
    Université Jean Moulin (Lyon III)
    2015

Certifications

Skill set

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