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Mohamed FaizallahMF

Mohamed Faizallah

SaaS Full-Stack Developer

€300/day
Tunis, TN
0-2 years
React.js
Rust
MongoDB
SQL
Redis

Average response time: 1 hour

Freelancer profile translated to English.
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About Mohamed

Full-Stack Developer specializing in the creation of SaaS platforms, business dashboards, and custom web applications.

I help companies transform their ideas or internal processes into clean, performant, and maintainable digital tools: React/TypeScript interfaces, backend APIs, MongoDB databases, role management, authentication, real-time features, dashboards, and business automations.

I have worked on several complete SaaS platforms, including a freelance/company matching platform with contracts, payments, invoicing, real-time messaging, and an administrator panel, as well as a recruitment management platform with candidate pipelines, HR/Recruiter/Manager roles, interview tracking, statistics, and automatic LinkedIn profile import via a Chrome extension.

Main Stack:
React, TypeScript, Rust, MongoDB, Redis, SQL, REST API, SSE, Redux Toolkit.

I can be involved in:

  • React / TypeScript frontend development
  • Rust backend and performant APIs
  • SaaS dashboards and back offices
  • Internal tools to automate business tasks
  • API integrations, payments, authentication, and user roles
  • Refactoring, optimization, or maintenance of existing applications

My objective is simple: to deliver useful, robust, and easy-to-use solutions, with a real understanding of business needs.
Digital and IT Services
Software Publishing

  • French

    Native or bilingual

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • FemUP
    SaaS Full-Stack Developer — Rust / React TypeScript / MongoDB
    February 2026 - Today (4 months)
    Tunis, Tunisia
    Full-stack development of a complete SaaS platform for matching companies, freelancers, and trainers.

    The project includes 4 distinct portals: Freelance, Company, Trainer, and Admin. I worked on the backend architecture, frontend, APIs, authentication, role management, real-time messaging, payments, invoicing, and business dashboards.

    Technical Stack:

    • Backend: Rust, Actix-web, MongoDB, Redis
    • Frontend: React 19, TypeScript, Redux Toolkit / RTK Query
    • Authentication: JWT, Google OAuth2, advanced roles and permissions
    • Real-time: Server-Sent Events
    • Payment: Konnect integration, wallet, commissions, withdrawals, and escrow
    • Documents: PDF generation of contracts and official invoices
    • Admin: KPI dashboard, user management, finance, moderation, audit logs, and CMS

    Key Features Developed:

    • job posting and management
    • application system
    • digital contract generation
    • contract signature and lifecycle tracking
    • automatic PDF invoice generation
    • real-time messaging with notifications
    • training platform with courses, lessons, and quizzes
    • user portfolio, transactions, and withdrawal requests
    • comprehensive administrator panel
    • responsive design system with reusable components

    This project allowed me to work on a complete SaaS architecture, with advanced business logic, clear frontend/backend separation, maintainable APIs, and a modern interface adapted to various user types.
    Rust MongoDB Redis React.js
  • Linkora
    SaaS Full-Stack Developer — Recruitment Platform
    November 2025 - Today (7 months)
    Tunis, Tunisia
    Full-stack development of a SaaS recruitment management platform designed to centralize applications, track candidate pipelines, and facilitate collaboration between HR, recruiters, and managers.

    The project is based on a modern architecture with a Rust backend, a React / TypeScript frontend, and a MongoDB database. The platform allows each user to access features tailored to their role through an advanced permissions system.

    Technical Stack:

    • Backend: Rust
    • Frontend: React, TypeScript
    • Database: MongoDB
    • Real-time: Server-Sent Events
    • Browser Extension: Chrome Extension for LinkedIn import
    • Architecture: Multi-role SaaS with recruitment business logic

    Key Features Developed:

    • user management with HR, Recruiter, and Manager roles
    • permission management based on user role
    • candidate creation and tracking
    • recruitment pipelines by position
    • interview tracking and candidate statuses
    • automatic LinkedIn profile import via Chrome extension
    • real-time notifications and updates with SSE
    • dashboards to track recruiter and manager activity
    • performance tracking and key indicators per user
    • collaborative interface for candidate evaluation

    This platform allows recruitment teams to save time, avoid information dispersion, collaborate better on candidate profiles, and gain a clear view of recruitment progress.
    Rust React.js MongoDB
  • SopraHR
    Human Resources Information System Consultant
    SOFTWARE PUBLISHING
    April 2022 - March 2025 (2 years and 11 months)
    Tunis, Tunisia
    - Analysis of anomalies reported by the client
    - Design of the technical and functional solution
    - Development of solutions through HRCT configurations
    - Processing requests for corrections of anomalies related to payroll or incidents related to HR Access configuration.
    - Monitoring client feedback
    - Performing unit tests, integration tests, and non-regression tests
    - Installation of kits and corrective patches.
    - Ensuring and supporting the client during acceptance testing phases.
    HR Access COBOL

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