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Long NguyenLN

Long Nguyen

Backend Developer (Kotlin/Java/Spring)

€500/day
4 projects
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Long

Backend developer on a work-study program at Orange Business Services for 3 years (35h/week company), these 3 years allowed me to discover and develop my skills in Kotlin associated with the Spring Framework in the context of Backend development (REST API Development, Microservices, TDD, Unit tests, Integration tests) but not only: I also worked on setting up deployment automation and Cloud platform migration (GitOps, Gitlab CI/CD, Cloud Foundry).

Following my work-study program, I quickly found my place within an English Fintech company where I was able to deepen my backend development knowledge using the best tools available on the market (Azure DevOps Cloud Platform, Kubernetes, Spring Data JPA, Spring Security ...) and also improve my English. This experience reinforces my belief that I am capable of providing my backend and DevOps developer services as a Freelancer to international entities.
  • French

    Native or bilingual

  • English

    Fluent

  • Vietnamese

    Basic

Can work on-site
Paris (up to 30km)

Experience

  • Ekwateur
    Java Backend Developer
    ENERGY AND UTILITIES
    February 2024 - Today (2 years and 4 months)
    Paris, France
    Backend Developer responsible for the redesign of an internal application.

    My role is to:
    - Discuss with the team to understand business needs, challenge, submit proposals
    - Develop new features, test and deploy them
    - Creation of a new microservice
    - Support and development of major fixes in the application


    Using the following software architectures, tools, frameworks, and patterns:
    - Microservice oriented with the following stack: Java, Spring Boot 3, Maven
    - Restful API
    - PostgreSQL, Spring Data, Spring Batch

    At the infrastructure level
    - AWS
    - Kubernetes
    - ArgoCD


    Implement best practices within the team
    - API in design first (OpenAPI)
    - Numerous Java component unit tests using Junit, Localstack
    - Collective Code Review
  • Groupe Vivendi
    Backend Developer
    TECH
    September 2022 - June 2023 (9 months)
    Paris, France
    Backend Developer within a team of 8 people dedicated to the development of shared backend for several applications/projects.

    My role was to:
    - Discuss with the team to understand business needs, challenge, submit proposals
    - Develop new features, test and deploy them
    - Creation of new microservices
    - Creation and implementation of automated and secure deployment
    - Support and development of major fixes in the application

    Using the following software architectures, tools, frameworks, and patterns:
    - Monolithic oriented with the following stack: Kotlin, Spring Boot 3, Gradle
    - Restful API
    - PostgreSQL, Spring Data

    At the infrastructure level
    - AWS
    - Kubernetes, Helm

    Implement best practices within the team
    - Numerous Kotlin/Java component tests using Junit
    - Code Review
    Kotlin Spring Unit tests Performance improvement REST API
  • Advizeo by setec
    Backend Developer
    ENERGY AND UTILITIES
    February 2022 - August 2022 (6 months)
    Paris, France
    Backend Developer within a team of 6 people dedicated to the development of an energy monitoring and optimization platform.

    My role was to:
    - Discuss with the team to understand business needs, challenge, submit proposals
    - Develop new features, test and deploy them
    - Reduce technical debt on the Java monolith
    - Support and development of major fixes in the application

    Using the following software architectures, tools, frameworks, and patterns:
    - Monolithic oriented with the following stack: Java 11, Spring Boot 2, Gradle
    - Restful API
    - Spring AOP/ AspectJ
    - PostgreSQL, Spring Data
    - CubeJS, Webclient

    At the infrastructure level
    - AWS
    - Kubernetes, Helm
    - ArgoCD, Jenkins

    Implement best practices within the team
    - Numerous Java component tests using Junit
    - Code Review
    Java Spring Framework Spring Data Unit tests REST

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Education

  • Master in Software Engineering
    ETNA
    2021
    Master en ingéniérie logiciel en alternance Projets variés (logiciels, web, algorithmie, entreprenariat ...)

Skill set

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