You're seeing this page as if you were . The main menu is still yours, though. Exit from immersion
Oumayma SadeddineOS

Oumayma Sadeddine

Web & Mobile Developer | Symfony · React · Aws

€330/day
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
Back to original language

About Oumayma

Hello, I'm Oumayma, aFull-Stack Developer specializing
**in Web and Mobile products**. I design platforms and applications that stand the test of production: **robust, performant, built to last**.

My 3-step method:

1.Understandyour business needs before writing any code
2.Builditeratively: deliver quickly, test, validate, improve
3.Securefor the long term: maintenance, scalability, documentation

My main technologies
  • Backend: Symfony, PHP, REST API, microservices
  • Mobile: React Native, Expo (iOS + Android)
  • Frontend: React.js, TypeScript, TailwindCSS
  • Cloud & DevOps: AWS, CI/CD
  • Databases: MySQL, MongoDB

What I can do for you
  • Develop aweb or mobile MVPfrom A to Z
  • Build asecure and documented REST API
  • Integratepayment solutions (Stripe)or third-party APIs
  • Automate yourbusiness processes(Python, scripts)
  • Set up yourDevOps infrastructure(CI/CD, Docker, AWS)
  • Refactor or evolve an existing application

Some projects completed

Easyloc Immo- SaaS booking platform
=> 1000+ clientsin production, React Native mobile app, Stripe payment, Python automation = **€3000/month in operational savings**.

Qassil- HR & invoicing internal tools
=>Complete overhaul:100% manual → 80% automated**, CI/CD in place, **deployment time divided by 3.

What sets me apart
  • Web + Mobile Versatility: a single point of contact for your entire product
  • Deliverable Culture: I code to deliver, not just to look good
  • Clear Communication: regular reporting, no surprises
  • Responsiveness: I reply within a few hours
Have a project to realize? Let's talk about it.
First exchange is free to align your needs together.

Oumayma
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Paris (up to 50km), Lille (up to 50km), Marseille (up to 50km), Nantes (up to 50km), Lyon (up to 50km)

Experience

  • Easyloc Immo
    Full-Stack Web & Mobile Developer
    REAL ESTATE
    February 2023 - Today (3 years and 6 months)
    Paris, France
    Design and development of aSaaS marketplace for connecting service providers and clients**, used by **1000+professional clients, with a synchronized **React Native mobile application**.

    Product=> Web platform and mobile app for booking management:Stripe payment**, **Google Mapsgeolocation, management dashboard. iOS and Android viaReact Native/ **Expo**.

    Stack=> BackendSymfony / REST API**, **MySQL 8**, mobile **React Native**, o2switch deployment with **Git CI/CD**, **AWSinfrastructure.

    Impact=> Python automation of internal processes:

    €3,000/monthin operational savings
    +4h/dayof productivity for the teams
    PHP React Native REST APIs Symfony AWS
  • Qassil
    Full-Stack Developer
    SOFTWARE PUBLISHING
    April 2022 - January 2023 (9 months)
    Paris, France
    Development oftwo internal web platformsfor aConsulting Firm**: **automatic invoicingsystem and consultantschedulingmanagement tool.

    Product=> Two Symfony web applications for business processes:automated invoicingmodule for client management, andschedulingmodule for tracking consultants on assignments.

    Stack=> BackendSymfony 6 / PHP 8**, **MySQL 8database, responsiveBootstrap 5frontend,CI/CDinfrastructure with **GitHub Actions**, automated deployment on **OVH**.

    Impact=> Complete overhaul of internal processes:

    Shift from 100% manual to 80% automated
    Deployment time divided by 3 (-70%)

    Methodology=>Pair programmingwith a senior developer:systematic code review**, application of best practices and guided skill development on the **Symfonyarchitecture.
    PHP Symfony Developer MySQL Gitlab CI/CD OVH Bootstrap

Recommendations

These freelancer profiles also match your criteria

AgathaA

Agatha Frydrych

Backend Java Software Engineer

4.7

(3)

2

BaptisteB

Baptiste Duhen

Fullstack developer

4.6

(4)

5

AmedA

Amed Hamou

Senior Lead Developer

4

(2)

7

AudreyA

Audrey Champion

Web developer

4.3

(3)

4

Education

  • Master in Software Architectures for Information Systems
    Etna - School of Digital Technologies
    2025
    Master Architecte Logiciel Systèmes d'Informations
  • RNCP Level II Application Designer Developer
    RNCP Concepteur Développeur d'Applications (Niveau

Skill set

Categories