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Salem S.SS

Salem S.

Fullstack NestJS, Angular, PHP/Symfony and Python

€600/day
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Salem

Senior Web Engineer | Fullstack JS & PHP | Node.js, NestJS, Angular, Symfony, DevOps
Solutions Architect | Expert in performant and scalable web applications

Passionate web development engineer, specializing in PHP/Symfony and Fullstack JavaScript (NestJS, Angular). I work on the entire application lifecycle, from software architecture to production deployment, with an approach focused on performance, scalability, and automation.

Curious and always seeking innovation, I dedicate part of my time to developing personal POCs to test new technologies, explore AI, and push the boundaries of web solutions.

- Fullstack Development: PHP/Symfony, NestJS, Angular
- Architecture: Monolithic, Microservices, CQRS
- Automation & DevOps: CI/CD Pipelines (GitLab, Jenkins), Containerization (Docker, Kubernetes)
- Artificial Intelligence: Integration of AI agents for automation and data analysis
- Methodologies: Scrum, Kanban, DevOps best practices

📧 Email :
  • English

    Conversational

  • French

    Native or bilingual

  • Arabic

    Native or bilingual

Can work on-site
Paris (up to 50km), Paris (up to 20km)

Experience

  • SODEXO
    Senior developer NestJS/Symfony/Angular/Docker
    RESTAURANTS AND FOOD SERVICE
    February 2021 - Today (5 years and 4 months)
    Nanterre, France
    - Develop the REST API used by the Sodexo extranet site https://moncompte.sodexopass.fr/login and mobile applications (Android + iOS).

    - Develop the redesign of the extranet site in Angular 12.

    Technical environment: PHP7, Symfony, Angular12+AngularJS, PostgreSQL, MongoDB, Redis, PHPUnit, Docker, Jenkins, RabbitMQ, Atlassian JIRA, GIT, Redmine, Scrum, Swagger ...
    PHP 7 Symfony Angular DevOps Docker Gitlab MongoDB Redmine Jenkins Redis NestJs
  • Believe Innovation
    Full-stack Developer
    ENTERTAINMENT AND LEISURE
    March 2020 - Today (6 years and 3 months)
    Paris, France
    Work on the Believe platform developed with a native PHP framework to manage billing, payments, etc.

    Efficiently manage huge databases and huge CSV files with millions of lines for major clients like Facebook, Spotify, Deezer, Youtube …
    PHP SQL JavaScript Redis PHPUnit MongoDB Docker Python
  • SFR
    Symfony/Angular Expert
    TELECOMMUNICATIONS
    November 2016 - March 2020 (3 years and 4 months)
    Courbevoie, France
    Development of the Netcenter platform.

    Netcenter is a platform used by SFR clients that manages ring and patch cord orders, DataCenter access, intervention orders…

    Evolution: participation in specification, costing, analysis of business needs, design, Development and testing of User Stories
    • Specification Analysis Design and Documentation:
    ▪ Writing requirements, improving business requirement expression.
    ▪ Participating in client workshops.
    ▪ Participating in writing the release note.
    ▪ Enriching User Stories (JIRA) with expected results and acceptance tests

    • Development and Maintenance:
    ▪ Securing all web services exposed to the public
    ▪ Developing an object storage service based on AWS Amazon S3 and ClamAV (antivirus for UNIX systems)
    ▪ Performance improvement
    ▪ Implementation of web services.
    ▪ Documenting web services with Swagger.
    ▪ Developing front-office interfaces with Angular
    ▪ Functional tests Behat and Consumption of provided web services.
    ▪ E2E tests with Protractor to test Angular interfaces.
    ▪ Implementing new User Story features
    ▪ Generating deliverables by incrementing the current system version and respecting the build pipeline set up by the Operators. (Unit test, LINT, version compatibility)
    ▪ Simulating the PROD environment using a Vagrant/Docker/Ansible container

    • Tests
    ▪ Unit and Integration Tests (PHPUNIT / JASMINE).
    ▪ Functional tests to validate expected results (BEHAT).
    ▪ E2E tests for front-end interfaces developed with Angular

    Technical environment: CQRS pattern, PHP7, SYMFONY 3/4, Angular 2/5/6, AWS Amazon S3, MongoDB, Redis, RabbitMQ, Tactician, PHPUnit, Jasmine, Behat, Protractor, Docker, Vagrant, Ansible, Atlassian JIRA, GIT, Scrum ...
    Symfony 3 Angular MongoDB Typescript Redis REST Docker Vagrant PHPUnit Ansible Node.js Linux behat jasmine Scrum Atlassian JIRA

Recommendations

Mourad AziziMA
Mohamed Ali G.MA
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Mourad Azizi and 2 other people have recommended Salem

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Education

  • Computer Engineering
    Polytechnique
    2014

Certifications

  • Cisco CCNA
    Cisco Career Certifications
    2014
    Network Administration

Skill set

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