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Frédéric GrassienFG

Frédéric Grassien

Java Backend Developer

€340/day
1 project
Lille, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Frédéric

I have been developing web applications in Java for 12 years (Java, SpringBoot, Hibernate, MySql). I specialize in writing REST APIs and in Android mobile development.

I worked as a remote Java trainer for 30 people retraining for a new career through Afpa Bordeaux.

#ReadyToHelp



  • French

    Native or bilingual

  • English

    Conversational

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

Experience

  • Ceos It
    Java and Android Developer
    CIVIL ENGINEERING
    August 2024 - Today (1 year and 10 months)
    Béthune, France
    Development of Android desktop and mobile applications for construction companies specializing in asbestos removal. Integration of external APIs

  • ATECNA
    Java Developer
    June 2023 - Today (3 years)
    Wasquehal, France
    Client Saint-Gobain Creation of an application to connect professional equipment and tool inspection organizations with companies wishing to have their equipment inspected.
    • Online training sessions with inspection bodies, agencies, and tool quotas.
    • Management of client registrations, quota control, email sending, … Missions:
    • Task breakdown in coordination with the PO
    • Communication with the PO, business stakeholders, and Front-end developers
    • Implementation of the REST API consumed by the Front-end
    • Back-end development in Java:
    o REST API (management of client requests interacting with MySQL DB)
    o Development of Mailjet templates used by the application
    o Development of new features and evolution of existing ones (email, statistics module...)
    • Release management (Azure)
    • Implementation of back-end unit tests (Junit)
    • Use of Jira
    • Production deployment, log analysis
    Environments:
    • Java 11
    • REST API
    • Liquibase
    • Junit
    • Intellij
    • Spring Boot
    • Swagger
    • Azure DevOps
    • Maven
    • Jira
    • Hibernate
    • Postman
    • PostgreSQL
    • Github
  • Atecna
    Java Backend Developer
    E-COMMERCE
    January 2023 - Today (3 years and 5 months)
    Wattignies, France
    Java backend developer for Zodio (consuming 3 REST APIs and providing a REST API for the Front-end). Saint-Gobain (connecting clients wishing to have mandatory tooling inspected with inspection service providers (Java, Spring, Hibernate, Mysql, REST API)

Reviews

5.0

Out of 1 rating

T

Thomas

ThomasDelalbre

Reviewed on 2/25/2022

Communication and exchanges, seriousness and professionalism. It's a real pleasure to work with Frédéric.

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Education

  • BTS Electronics
    Lycée Carnot in Bruay Labuissiere
    1991
  • Departmental Coordinator for IT and Telecommunication Services
    National Center for Study and Training in Gif-sur-Yvette (Ministry of the Interior)
    2001
    • Architecture des ordinateurs • Utilisation des fichiers Batch • Formation Sql • Formation Oracle • Administration d’un serveur Linux/Apache/MySql/Php • Administration d’un serveur NT4

Skill set

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